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19-3677; Rev 2; 9/07
KIT ATION EVALU ILABLE AVA
16-Port, 5.5V Constant-Current LED Driver
General Description
The MAX6969 serial-interfaced LED driver provides 16 open-drain, constant-current-sinking LED driver outputs rated at 5.5V. The MAX6969 operates from a 3V to 5.5V supply. The MAX6969 supply and the LEDs' supply or supplies can power up in any order. The constant-current outputs are programmed together to up to 55mA using a single external resistor. The MAX6969 operates with a 25Mb, industry-standard, 4-wire serial interface. The MAX6969 uses the industry-standard, shift-registerplus-latch-type serial interface. The driver accepts data shifted into a 16-bit shift register using data input DIN and clock input CLK. Input data appears at the DOUT output 16 clock cycles later to allow cascading of multiple MAX6969s. The latch-enable input, LE, loads the 16 bits of shift register data into a 16-bit output latch to set which LEDs are on and which are off. The outputenable, OE, gates all 16 outputs on and off, and is fast enough to be used as a PWM input for LED intensity control. For applications requiring LED fault detection, refer to the MAX6984*, which automatically detects open-circuit LEDs. For safety-related applications requiring a watchdog timer, refer to the MAX6979, which includes a fail-safe feature that blanks the display if the serial interface becomes inactive for more than 1s. The MAX6969 is one of a family of 12 shift-register-pluslatch-type LED drivers. The family includes 8-port and 16-port types, with 5.5V- or 36V-rated LED outputs, with and without open-circuit LED detection and watchdog. All versions operate from a 3V to 5.5V supply, and are specified over the -40C to +125C temperature range.
Features
25Mb, Industry-Standard, 4-Wire Serial Interface at 5V 3V to 5.5V Logic Supply 16 Constant-Current LED Outputs Rated at 5.5V Up to 55mA Continuous Current per Output Output Current Programmed by Single Resistor 3% Current Matching Between Outputs 6% Current Matching Between ICs High-Dissipation, 24-Pin Packages -40C to +125C Temperature Range
MAX6969
Ordering Information
PART MAX6969AUG MAX6969AWG MAX6969ANG TEMP RANGE -40C to +125C -40C to +125C -40C to +125C PIN-PACKAGE 24 TSSOP 24 Wide SO 24 PDIP
Typical Application Circuit and Selector Guide appear at end of data sheet.
Pin Configuration
TOP VIEW
GND 1 DIN 2 24 V+ 23 SET 22 DOUT 21 OE
Applications
Variable Message Signs Marquee Displays Point-of-Order Signs Traffic Signs Gaming Features Architectural Lighting
CLK 3 LE 4 OUT0 5 OUT1 6 OUT2 7 OUT3 8 OUT4 9 OUT5 10 OUT6 11
MAX6969AUG MAX6969ANG MAX6969AWG
20 OUT15 19 OUT14 18 OUT13 17 OUT12 16 OUT11 15 OUT10 14 OUT9 13 OUT8
*Future product--contact factory for availability.
OUT7 12
TSSOP/PDIP/SO
________________________________________________________________ Maxim Integrated Products
1
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642, or visit Maxim's website at www.maxim-ic.com.
16-Port, 5.5V Constant-Current LED Driver MAX6969
ABSOLUTE MAXIMUM RATINGS
Voltage with respect to GND. V+ ............................................................................-0.3V to +6V OUT_ .......................................................................-0.3V to +6V DIN, CLK, LE, OE, SET ................................-0.3V to (V+ + 0.3V) DOUT Current ..................................................................10mA OUT_ Sink Current .............................................................60mA Total GND Current ...........................................................480mA Continuous Power Dissipation (TA = +70C) 24-Pin TSSOP (derate 12.2mW/C over +70C) ..........975mW 24-Pin PDIP (derate 13.3mW/C over +70C)............1067mW 24 Wide SO (derate 11.8mW/C over +70C)..............941mW Operating Temperature Range .........................-40C to +125C Junction Temperature ......................................................+150C Storage Temperature Range .............................-65C to +150C Lead Temperature (soldering, 10s) .................................+300C
Stresses beyond those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.
ELECTRICAL CHARACTERISTICS
(Typical Operating Circuit, V+ = 3V to 5.5V, TA = TMIN to TMAX, unless otherwise noted. Typical values are at V+ = 5V, TA = +25C.) (Note 1)
PARAMETER Operating Supply Voltage Output Voltage Standby Current (Interface Idle, All Output Ports High Impedance, RSET = 360) Standby Current (Interface Running, All Output Ports High Impedance, RSET = 360) Supply Current (Interface Idle, All Output Ports Active Low, RSET = 360) Input High Voltage DIN, CLK, LE, OE Input Low Voltage DIN, CLK, LE, OE Hysteresis Voltage DIN, CLK, LE, OE Input Leakage Current DIN, CLK, LE, OE Output High-Voltage DOUT Output Low Voltage Output Current OUT_ Output Leakage Current OUT_ SYMBOL V+ VOUT I+ All logic inputs at V+ or GND, DOUT unloaded 5.7 CONDITIONS MIN 3.0 TYP MAX 5.5 5.5 8 UNITS V V mA
I+
fCLK = 5MHz, OE = V+, DIN and LE = V+ or GND, DOUT unloaded
6
8.5
mA
I+
All logic inputs at V+ or GND, DOUT unloaded 0.7 x V+
18
25
mA
VIH VIL VI IIH, IIL VOH VOL IOUT ILEAK ISOURCE = 4mA ISINK = 4mA V+ = 3V to 5.5V, VOUT = 0.5V to 2.5V, RSET = 360 OE = V+, VOUT = V+
V 0.3 x V+ 0.8 V V +1 A V 0.5 V mA A
-1 V+ - 0.5V
37
50
61 1
2
_______________________________________________________________________________________
16-Port, 5.5V Constant-Current LED Driver
5V TIMING CHARACTERISTICS
(Typical Operating Circuit, V+ = 4.5V to 5.5V, TA = TMIN to TMAX, unless otherwise noted.) (Notes 1, 2)
PARAMETER CLK Clock Period CLK Pulse-Width High CLK Pulse-Width Low DIN Setup Time DIN Hold Time DOUT Propagation Delay DOUT Rise and Fall Time LE Pulse-Width High LE Setup Time LE Rising to OUT_ Rising Delay LE Rising to OUT_ Falling Delay CLK Rising to OUT_ Rising Delay CLK Rising to OUT_ Falling Delay OE Rising to OUT_ Rising Delay OE Falling to OUT_ Falling Delay LED Output OUT_ Turn-On Fall Time LED Output OUT_ Turn-Off Rise Time SYMBOL tCP tCH tCL tDS tDH tDO tDR, tDF tLW tLS tLRR tLRF tCRR tCRF tOEH tOEL tf tr 80% to 20%, pullup resistor = 65 20% to 80%, pullup resistor = 65 CDOUT = 10pF, 20% to 80% 20 10 100 300 100 310 100 320 120 120 CONDITIONS MIN 40 19 19 4 8 12 32 10 TYP MAX UNITS ns ns ns ns ns ns ns ns ns ns ns ns ns ns ns ns ns
MAX6969
_______________________________________________________________________________________
3
16-Port, 5.5V Constant-Current LED Driver MAX6969
3.3V TIMING CHARACTERISTICS
(Typical Operating Circuit, V+ = 3V to 5.5V, TA = TMIN to TMAX, unless otherwise noted.) (Notes 1, 2)
PARAMETER CLK Clock Period CLK Pulse-Width High CLK Pulse-Width Low DIN Setup Time DIN Hold Time DOUT Propagation Delay DOUT Rise and Fall Time LE Pulse-Width High LE Setup Time LE Rising to OUT_ Rising Delay LE Rising to OUT_ Falling Delay CLK Rising to OUT_ Rising Delay CLK Rising to OUT_ Falling Delay OE Rising to OUT_ Rising Delay OE Falling to OUT_ Falling Delay LED Output OUT_ Turn-On Fall Time LED Output OUT_ Turn-Off Rise Time SYMBOL tCP tCH tCL tDS tDH tDO tDR, tDF tLW tLS tLRR tLRF tCRR tCRF tOEH tOEL tf tr 80% to 20%, pullup resistor = 65 20% to 80%, pullup resistor = 65 CDOUT = 10pF, 20% to 80% 20 15 120 310 120 330 120 330 120 120 CONDITIONS MIN 52 24 24 4 8 12 50 12 TYP MAX UNITS ns ns ns ns ns ns ns ns ns ns ns ns ns ns ns ns ns
Note 1: All parameters tested at TA = +25C. Specifications over temperature are guaranteed by design. Note 2: See Figure 3.
Typical Operating Characteristics
(TA = +25C, unless otherwise noted.)
SUPPLY CURRENT vs. SUPPLY VOLTAGE (INTERFACE IDLE, ALL OUTPUTS OFF, RSET = 720)
MAX6969 toc01
SUPPLY CURRENT vs. SUPPLY VOLTAGE (INTERFACE IDLE, ALL OUTPUTS OFF, RSET = 360)
MAX6969 toc02
SUPPLY CURRENT vs. SUPPLY VOLTAGE (INTERFACE IDLE, ALL OUTPUTS ON, RSET = 720)
TA = +125C 18 SUPPLY CURRENT (mA) 16 14 12 10 TA = -40C 8 6 TA = +25C TA = +85C
MAX6969 toc03
4.50 4.25 SUPPLY CURRENT (mA) 4.00 3.75 3.50 3.25 3.00 2.75 2.50
6.0 5.8 5.6 SUPPLY CURRENT (mA) 5.4 5.2 5.0 4.8 4.6 4.4 4.2 4.0 TA = -40C TA = +25C TA = +125C TA = +85C
20
TA = +125C
TA = +85C
TA = +25C TA = -40C
3.0
3.5
4.0
4.5
5.0
5.5
3.0
3.5
4.0
4.5
5.0
5.5
3.0
3.5
4.0
4.5
5.0
5.5
SUPPLY VOLTAGE (V)
SUPPLY VOLTAGE (V)
SUPPLY VOLTAGE (V)
4
_______________________________________________________________________________________
16-Port, 5.5V Constant-Current LED Driver MAX6969
Typical Operating Characteristics (continued)
(TA = +25C, unless otherwise noted.)
SUPPLY CURRENT vs. SUPPLY VOLTAGE (INTERFACE IDLE, ALL OUTPUTS ON, RSET = 360)
TA = +125C TA = +85C
MAX6969 toc04
PORT OUTPUT CURRENT vs. PORT OUTPUT VOLTAGE (RSET = 720, V+ = 3.3V)
MAX6969 toc05
PORT OUTPUT CURRENT vs. PORT OUTPUT VOLTAGE (RSET = 360, V+ = 3.3V)
MAX6969 toc06
22 20 SUPPLY CURRENT (mA) 18 16 14 12 TA = -40C 10 3.0 3.5 4.0 4.5 5.0 TA = +25C
30 25 TA = -40C 20 15 10 5 0 TA = +25C TA = +85C TA = +125C
60 50 40 30 20 10 0 TA = -40C TA = +25C TA = +85C TA = +125C
PORT OUTPUT CURRENT (mA)
5.5
0
0.5
1.0
1.5
2.0
2.5
3.0
PORT OUTPUT CURRENT (mA)
0
0.5
1.0
1.5
2.0
2.5
3.0
SUPPLY VOLTAGE (V)
PORT OUTPUT VOLTAGE (V)
PORT OUTPUT VOLTAGE (V)
PORT OUTPUT CURRENT vs. PORT OUTPUT VOLTAGE (RSET = 720, V+ = 5.0V)
MAX6969 toc07
PORT OUTPUT CURRENT vs. PORT OUTPUT VOLTAGE (RSET = 360, V+ = 5.0V)
MAX6969 toc08
PORT OUTPUT CURRENT vs. SUPPLY VOLTAGE (RSET = 720, VOUT = 2V)
MAX6969 toc09
30 25 20 15 10 5 0 0 0.5 1.0 1.5 2.0 2.5 TA = -40C TA = +25C TA = +85C TA = +125C
60 50 TA = -40C 40 30 20 10 0 TA = +25C TA = +85C TA = +125C
27.0 26.5 TA = -40C 26.0 25.5 TA = +85C 25.0 24.5 24.0 TA = +125C TA = +25C
PORT OUTPUT CURRENT (mA)
PORT OUTPUT CURRENT (mA)
3.0
0
0.5
1.0
1.5
2.0
2.5
3.0
PORT OUTPUT CURRENT (mA)
3.0
3.5
4.0
4.5
5.0
5.5
PORT OUTPUT VOLTAGE (V)
PORT OUTPUT VOLTAGE (V)
SUPPLY VOLTAGE (V)
PORT OUTPUT CURRENT vs. SUPPLY VOLTAGE (RSET = 360, VOUT = 2V)
MAX6969 toc10
PORT OUTPUT CURRENT vs. RSET RESISTANCE (V+ = 5.0V)
MAX6969 toc11
54
50
PORT OUTPUT CURRENT (mA)
PORT OUTPUT CURRENT (mA)
53 TA = -40C 52 TA = +25C
40
30
51 TA = +125C TA = +85C
20
50
10
49 3.0 3.5 4.0 4.5 5.0 5.5 SUPPLY VOLTAGE (V)
0 0 300 600 900 1200 1500 RSET RESISTANCE ()
_______________________________________________________________________________________
5
16-Port, 5.5V Constant-Current LED Driver MAX6969
Pin Description
PIN 1 2 3 4 5-20 21 22 23 24 NAME GND DIN CLK LE OUT0-OUT15 OE DOUT SET V+ Ground Serial-Data Input. Data is loaded into the internal 16-bit shift register on CLK's rising edge. Serial-Clock Input. Data is loaded into the internal 16-bit shift register on CLK's rising edge. Load-Enable Input. Data is loaded transparently from the internal shift register(s) to the output latch(es) while LE is high. Data is latched into the output latch(es) on LE's falling edge, and retained while LE is low. LED Driver Outputs. OUT0 to OUT15 are open-drain, constant-current-sinking outputs rated to 5.5V. Output-Enable Input. High forces outputs OUT0 to OUT15 high impedance, without altering the contents of the output latches. Low enables outputs OUT0 to OUT15 to follow the state of the output latches. Serial-Data Output. Data is clocked out of the 16-bit internal shift register to DOUT on CLK's rising edge. LED Current Setting. Connect SET to GND through a resistor (RSET) to set the maximum LED current. Positive Supply Voltage. Bypass V+ to GND with a 0.1F ceramic capacitor. FUNCTION
CLK MAX6969
DIN
D0
SERIAL-TO-PARALLEL SHIFT REGISTER
D15
DOUT
LE
D0
LATCHES
D15
POWER-ON RESET
V+
OE V+
D0
CONSTANT-CURRENT SINKS
D15
CURRENT REFERENCE
RSET OUT0 OUT1 OUT2 OUT5 OUT6 OUT7 GND GND
Figure 1. Block Diagram
6
_______________________________________________________________________________________
16-Port, 5.5V Constant-Current LED Driver
Detailed Description
The MAX6969 LED driver comprises a 4-wire serial interface driving 16 constant-current-sinking, opendrain output ports. The outputs drive LEDs in either static or multiplex applications (Figure 1). The constantcurrent outputs are guaranteed for current accuracy not only with chip-supply voltage variations (5V 10% and 3V to 5.5V), but also over a realistic range of driver output voltage drop (0.5V to 2.5V). The drivers use current-sensing feedback circuitry (not simple current mirrors) to ensure very small current variations over the full allowed range of output voltage (see the Typical Operating Characteristics). The 4-wire serial interface comprises a 16-bit shift register and a 16-bit transparent latch. The shift register is written through a clock input, CLK, and a data input, DIN, and the data propagates to a data output, DOUT. The data output allows multiple drivers to be cascaded and operated together. The contents of the 16-bit shift register are loaded into the transparent latch through a latch-enable input, LE. The latch is transparent to the shift register outputs when high, and latches the current state on the falling edge of LE. Each driver output is an open-drain, constant-current sink that should be connected to the cathode of either a single LED or a series string of multiple LEDs. The LED anode can be connected to a supply voltage of up to 5.5V, independent of the MAX6969 supply, V+. The constant-current capability is up to 55mA per output, set for all eight outputs by an external resistor, RSET.
MAX6969
Initial Power-Up and Operation
An internal reset circuit clears the internal registers of the MAX6969 on power-up. All outputs (OUT0-OUT15) initialize to high impedance, regardless of the initial logic levels of the CLK, DIN, OE, and LE inputs.
4-Wire Serial Interface
The serial interface on the MAX6969 is a 4-wire serial interface using four inputs (DIN, CLK, LE, OE) and a data output (DOUT). This interface is used to write display data to the MAX6969. The serial-interface data word length is 16 bits, D0-D15. See Figure 2. The functions of the five interface pins are as follows. DIN is the serial-data input, and must be stable when it is sampled on the rising edge of CLK. Data is shifted in, MSB first. This means that data bit D15 is clocked in first, followed by 15 more data bits finishing with the LSB, D0.
LE tCL tCH tCP CLK tDH tDS DIN D15 D14 D1 tDO DOUT D0 tLS
tLW tLF
D7
OE tOEL
tOEW
tOEH 80% . tr 20% tf
OUT_
Figure 2. 4-Wire Serial-Interface Timing Diagram _______________________________________________________________________________________ 7
16-Port, 5.5V Constant-Current LED Driver MAX6969
CLK is the serial-clock input, which shifts data at DIN into the MAX6969 16-bit shift register on its rising edge.
tLRF OUT_
LE
LE tLRR OUT_
CLK tCRF OUT_
CLK tCRR OUT_
LE is the latch load input of the MAX6969 that transfers data from the MAX6969 16-bit shift register to its 16-bit latch when LE is high (transparent latch), and latches the data on the falling edge of LE (Figure 2). The fourth input provides output-enable control of the output drivers. OE is high to force outputs OUT0-OUT15 high impedance, without altering the contents of the output latches, and low to enable outputs OUT0-OUT15 to follow the state of the output latches. OE is independent of the operation of the serial interface. Data can be shifted into the serial-interface shift register and latched, regardless of the state of OE. DOUT is the serial-data output, which shifts data out from the MAX6969's 16-bit shift register on the rising edge of CLK. Data at DIN is propagated through the shift register and appears at DOUT 16 clock cycles later.
Figure 3. LE and CLK to OUT_ Timing
Table 1. 4-Wire Serial-Interface Truth Table
SERIAL CLOCK DATA INPUT INPUT CLK D0 DIN H L X -- -- -- -- -- -- H L R0 X P1 -- SHIFT-REGISTER CONTENTS D1 R1 R1 R1 X P2 -- D2 R2 R2 R2 X P3 -- LOAD INPUT LE ... Dn-1 Dn ... Rn-2 Rn-1 ... Rn-2 Rn-1 ... Rn-1 Rn ... -- X -- X -- ... Pn-1 Pn -- -- -- H L -- LATCH CONTENTS D0 -- -- -- R0 P0 X D1 -- -- -- R1 P1 X D2 -- -- -- R2 P2 X OUTPUT CONTENTS BLANKING INPUT OE ... Dn-1 Dn D0 D1 D2 ... Dn-1 Dn -- -- -- -- -- -- -- -- -- -- L H -- -- -- -- P0 -- -- -- -- P1 -- -- -- -- P2 -- -- -- -- -- -- -- -- -- -- -- --
-- -- --
-- Rn-1 Rn ... Pn-1 Pn ... X X
... Pn-1 Pn
Hi-Z Hi-Z Hi-Z ... Hi-Z Hi-Z
L = Low-logic level. H = High-logic level. X = Don't care. P = Present state. R = Previous state. Hi-Z = High impedance.
8
_______________________________________________________________________________________
16-Port, 5.5V Constant-Current LED Driver
Applications Information
Selecting External Component RSET to Set LED Output Current
The MAX6969 uses an external resistor, RSET, to set the LED current for outputs OUT0-OUT15. The minimum allowed value of RSET is 327.3, which sets the output currents to 55mA. The maximum allowed value of RSET is 1.5k. The reference value, 360, sets the output currents to 50mA. To set a different output current, use the formula: RSET = 18,000 / IOUT where IOUT is the desired output current in mA.
Overtemperature Cutoff
The MAX6969 contains an internal temperature sensor that turns off all outputs when the die temperature exceeds approximately +165C. The outputs are enabled again when the die temperature drops below approximately +140C. Register contents are not affected, so when a driver is overdissipating, the external symptom is the load LEDs cycling between on and off as the driver repeatedly overheats and cools, alternately turning the LEDs off and then back on again.
MAX6969
Power-Supply Considerations
The MAX6969 operates with a chip supply V+, and one or more LED supplies. Bypass each supply to GND with a 0.1F capacitor as close to the MAX6969 as possible. This is normally adequate for static LED driving. For multiplex or PWM applications, it is necessary to add an additional bulk electrolytic capacitor of 4.7F or more to each supply for every 4 to 16 MAX6969s. The necessary capacitance depends on the LED load current, PWM switching frequency, and serial-interface speed. Inadequate V+ decoupling can cause timing problems, and very noisy LED supplies can affect LED current regulation.
Computing Power Dissipation
The upper limit for power dissipation (P D ) for the MAX6969 is determined by the following equation: PD = (V+ x I+) + (VOUT x DUTY x IOUT x N) where: V+ = supply voltage I+ = operating supply current when sinking IOUT LED drive current into N outputs DUTY = PWM duty cycle applied to OE N = number of MAX6969 outputs driving LEDs at the same time (maximum is 16) VOUT = MAX6969 port output voltage when driving load LED(s) IOUT = LED drive current programmed by RSET PD = power dissipation, in mW if currents are in mA Dissipation example: IOUT = 47mA, N = 16, DUTY = 1, VOUT = 2V, V+ = 5.25V PD = (5.25V x 50mA) + (2V x 1 x 47mA x 16) = 1.776W Thus, for a 24-pin TSSOP package (TJA = 1 / 0.0122 = +82C/W from the Absolute Maximum Ratings), the maximum allowed ambient temperature TA is given by: TJ(MAX) = TA + (PD x TJA) = +150C = TA + (1.776 x 82C/W) so TA = +145.6C.
Chip Information
PROCESS: BiCMOS
_______________________________________________________________________________________
9
16-Port, 5.5V Constant-Current LED Driver MAX6969
Selector Guide
PART MAX6968 MAX6977 MAX6978 MAX6970 MAX6981 MAX6980 MAX6969 MAX6984 MAX6979 MAX6971 MAX6982* MAX6983 16 36 16 5.5 8 36 55mA 8 5.5 NO. OF OUTPUTS MAX OUTPUT VOLTAGE (V) MAX OUTPUT CURRENT LED FAULT DETECTION -- Yes Yes -- Yes Yes -- Yes Yes -- Yes Yes WATCHDOG -- -- Yes -- -- Yes -- -- Yes -- -- Yes
*Future product--contact factory for availability.
Typical Application Circuit
+5V
+5V
C SCLK MOSI MISO LOAD ENABLE 360
V+ CLK DIN DOUT LATCH OE SET GND
MAX6969
OUT0 OUT1 OUT2 OUT3 OUT4 OUT5 OUT6 OUT7 OUT8 OUT9 OUT10 OUT11 OUT12 OUT13 OUT14 OUT15
0V
0V
10
______________________________________________________________________________________
16-Port, 5.5V Constant-Current LED Driver
Package Information
(The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information, go to www.maxim-ic.com/packages.)
MAX6969
PACKAGE OUTLINE, TSSOP 4.40mm BODY
21-0066
I
1
1
______________________________________________________________________________________
TSSOP4.40mm.EPS
11
16-Port, 5.5V Constant-Current LED Driver MAX6969
Package Information
(The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information, go to www.maxim-ic.com/packages.)
INCHES
N
MILLIMETERS MIN 2.35 0.10 0.35 0.23 MAX 2.65 0.30 0.49 0.32
E
H
DIM A A1 B C e E H L
MAX MIN 0.093 0.104 0.004 0.012 0.014 0.019 0.009 0.013 0.050 0.291 0.299 0.394 0.419 0.050 0.016
1.27 7.40 7.60 10.00 10.65 0.40 1.27
1
VARIATIONS: INCHES MILLIMETERS MIN 10.10 11.35 12.60 15.20 17.70 MAX 10.50 11.75 13.00 15.60 18.10 N MS013 16 AA 18 AB 20 AC 24 AD 28 AE
TOP VIEW
D
DIM D D D D D
MIN 0.398 0.447 0.496 0.598 0.697
MAX 0.413 0.463 0.512 0.614 0.713
A e B A1
C 0-8 L
FRONT VIEW
SIDE VIEW
PROPRIETARY INFORMATION TITLE:
PACKAGE OUTLINE, .300" SOIC
APPROVAL DOCUMENT CONTROL NO. REV.
21-0042
B
1 1
12
______________________________________________________________________________________
SOICW.EPS
16-Port, 5.5V Constant-Current LED Driver
Package Information (continued)
(The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information, go to www.maxim-ic.com/packages.)
MAX6969
Revision History
Pages changed at Rev 2: 6, 10
Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time.
Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 ____________________ 13 (c) 2007 Maxim Integrated Products is a registered trademark of Maxim Integrated Products, Inc.
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