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AP7215
600mA CMOS LDO
Features
* * * * * * * * * Very Low Dropout Voltage Low Current Consumption: Typ. 50A Output Voltage: 3.3V Guaranteed 600mA Output Input Range up to 5.5V Current Limit Protection Stable with either electrolytic capacitor or low-ESR MLCC (multi-layer ceramic capacitor) Low Temperature Coefficient SOP-8L and SOT89-3L: Available in "Green" Molding Compound (No Br, Sb) Lead Free Finish / RoHS Compliant (Note 1)
General Description
The AP7215 low-dropout linear regulator operates from a 3.3V to 5.5V supply and delivers a guaranteed 600mA continuous load current. The high-accuracy output voltage is preset to an internally trimmed voltage. An active-low open-drain reset output remains asserted for at least 20ms (TYP) after input voltage rises above the reset threshold. The space-saving SOP-8L and SOT89-3L package are suitable for "pocket" and hand-held applications.
Applications
* * * * HD/Blue-Ray DVD & MP3/4 Players Mobile Handsets and Smart Phones Digital Still Camera Hand-Held Computers
Ordering Information
AP7215 - 33 X G - 13
Output voltage
33 : 3.3V
Package
S : SOP-8L Y : SOT89-3L
Packaging (Note 2) SOP-8L SOT89-3L
Green
G : Green
Packing
13 : Tape & Reel
Device AP7215-33SG-13 AP7215-33YG-13
Notes:
Package Code S Y
13" Tape and Reel Quantity Part Number Suffix 2500/Tape & Reel -13 2500/Tape & Reel -13
1. EU Directive 2002/95/EC (RoHS). All applicable RoHS exemptions applied, see EU Directive 2002/95/EC Annex Notes. 2. Pad layout as shown on Diodes Inc. suggested pad layout document AP02001, which can be on our website at http://www.diodes.com/datasheets/ap02001.pdf.
AP7215 Rev. 1
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AP7215
600mA CMOS LDO
Pin Assignments
(1) SOP-8L
( Top View )
(2) SOT89-3L
( Top View )
NC 1 VR OUT 2 NC 3 V IN 4 8 EN 7 6 5 GND VDOUT NC
3 2 1 Tab is VIN
VROUT VIN GND
Pin Descriptions
Pin Name NC VROUT VIN VDOUT GND EN Pin No. SOT89-3L 3 2 1 Description No Connection Voltage Output Supply Voltage VD Output Voltage (Reset Output) Ground Enable (VROUT ON/OFF)
SOP-8L 1, 3 , 5 2 4 6 7 8
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AP7215
600mA CMOS LDO
Block Diagram
EN On Off
Enable VIN
Bandgap 1.2V R1 VDOUT
ERROR AMP
Current Limit VROUT
+
+ VD Comp.
R3 R2
R4
GND
Absolute Maximum Ratings
Symbol ESD HBM ESD MM VIN VROUT TJ(MAX) PD Parameter Human Body Model ESD Protection Machine Model ESD Protection Input Voltage Output Voltage Maximum Junction Temperature SOP-8L Power Dissipation SOT89-3L Rating 2 350 +6 GND - 0.3 ~ VIN+ 0.3 150 1.2 0.79 Unit KV V V V C W W
Recommended Operating Conditions
Symbol VIN IOUT TJ TA Parameter Input Voltage Output Current Operating Junction Temperature Range Operating Ambient Temperature Min 3.3 0 -40 -40 Max 5.5 600 125 85 Unit V mA C C
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AP7215
600mA CMOS LDO
Electrical Characteristics
(TA = 25C, CIN = 1F, COUT = 1F, VIN=5.0V, VEN = VIN, unless otherwise noted) Symbol Parameter Test Conditions Min ICCQ Quiescent Current IOUT = 0mA VEN = GND ISTBY Standby Current VIN = 5.0V Output Voltage VROUT 3.234 IOUT = 30mA, VIN = 5V Accuracy VROUT Temperature VROUT/TA/VROUT TA =-40C to 85C, IOUT = 30mA Coefficient VDO IOUT ILIMIT ISHORT VROUT/VIN/VROU VROUT PSRR VEH VEL IEN
VDF
T
Typ. 50 15 3.300 100 60 100
Max 80 30 3.366
Unit A A V ppm / oC
Dropout Voltage
IOUT = 30mA IOUT = 100mA
100 250
mV mV mA
Maximum Output VIN = 5.3V Current Current Limit VIN = 5.3V Short Circuit Current VIN = 5.3V Line Regulation Load Regulation Power Supply Rejection EN Input Threshold 4.3V VIN 5.5V, IOUT = 30mA 1mA IOUT 100mA, VIN = 5.3V VIN = 4.3V+ 0.5Vp-pAC, F= 1KHz IOUT = 50mA Output ON Output OFF
600 750 50 0.01 15 55 1.6 -0.1 3.83 VDF x1.02 0.25 0.1 3.98 VDF x1.08 0.2 50
mA mA %/V mV dB V V A V V mA
VHYS IVDOUT tRP JA JC
Notes:
Enable Pin Current VIN Detection Voltage Detect VDOUT fall VDF Hysteresis Range VDOUT Sink Current VDOUT = 0.5V, VIN = 2.0V
3.91 VDF x1.05 20 30 20 124 173 25 42
VDOUT = 0.5V, VIN = 3.0V VDOUT Delay Time Thermal Resistance SOP-8L (Note 3) Junction-to-Ambient SOT89-3L (Note 3) Thermal Resistance SOP-8L (Note 3) Junction-to-Case SOT89-3L (Note 3)
10
40
ms C/W C/W
3. Test conditions for SOP-8L, SOT89-3L: Device mounted on FR-4 substrate, single sided PC board, 2oz copper, with minimum recommended pad layout.
AP7215 Rev. 1
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AP7215
600mA CMOS LDO
Typical Application
U1 VIN VR OUT
VIN
100K CIN 1uF VD OUT
4
2
VR OUT
ON
AP7215
6 VD OUT GND 7 EN 8
OFF C OUT 1uF
Timing Diagram
tRP 20mSec-TYP. VHYS VDF
VIN VDOUT EN VROUT
AP7215 Rev. 1
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AP7215
600mA CMOS LDO
Typical Performance Characteristics
Quiescent Current vs Input Voltage
90 80 70 60 50 40 30 20 10 0 3.0 3.5 4.0 4.5 VIN (V) 5.0 5.5 6.0 80 70 60 50 40 30 20 10 0 3.0 3.5 4.0 4.5 VIN (V) 5.0 5.5 6.0
Standby Current vs Input Voltage
Delay Time vs Ambient Temperature
28 27 26 25 24 23 22 21 20 -40 -20 0 20 40 60 80 100 120 Ambient Temperature (C) 700 600 VDO (mV) 500 400 300 200 100 0 0 Delay Time (ms)
ISTBY (uA)
ICCQ (uA)
Dropout Voltage vs Output Current
100
200
300 400 IOUT (mA)
500
600
700
Current Limit vs Ambient Temperature
960 940 920 900 880 860 840 820 800 780 760 -40 -20 0 20 40 60 80 100 120 Ambient Temperature 90 85 80 75 70 65 60 55 50 Current Limit (mA)
Short Circuit Current vs Input Voltage
ISHORT(mA)
3.0
3.5
4.0
4.5 VIN (V)
5.0
5.5
6.0
AP7215 Rev. 1
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AP7215
600mA CMOS LDO
Typical Performance Characteristics
Load Transient Response (VIN=4.3V, IOUT=10mA ~300mA)
(Continued)
Load Transient Response (VIN=4.3V, IOUT=10mA ~600mA)
VIN
VIN
VROUT
VROUT
IOUT
IOUT
Load Transient Response (VIN=5.5V, IOUT=10mA~300mA) VIN
Load Transient Response (VIN=5.5V, IOUT=10mA~600mA)
VIN
VROUT
VROUT
IOUT
IOUT
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AP7215
600mA CMOS LDO
Application Note
Input Capacitor A 1F ceramic capacitor is recommended to connect between VIN and GND pins to decouple input power supply glitch and noise. The amount of the capacitance may be increased without limit. A lower ESR (Equivalent Series Resistance) capacitor allows the use of less capacitance, while higher ESR type requires more capacitance. This input capacitor must be located as close as possible to the device to assure input stability and less noise. For PCB layout, a wide copper trace is required for both VIN and GND. Suggested Input Capacitance Vendor Capacitance TAIYO YUDEN 1F ENABLE/SHUTDOWN Operation The AP7215 is turned on by setting the EN pin high, and is turned off by pulling it low. If this feature is not used, the EN pin should be tied to VIN pin to keep the regulator output on at all time. To ensure proper operation, the signal source used to drive the EN pin must be able to swing above and below the specified turn-on/off voltage thresholds listed in the Electrical Characteristics section under VEH and VEL. VROUT 0V 3.3V VDOUT
Type Series Ceramic LMK212B
EN=0 EN=1
Output Capacitor The output capacitor is required to stabilize and help the transient response of the LDO. The AP7215 is designed to have excellent transient response for most applications with a small amount of output capacitance. The AP7215 is stable with any small ceramic output capacitors of 1.0F or higher value, and the temperature coefficients of X7R or X5R type. Additional capacitance helps to reduce undershoot and overshoot during transient. For PCB layout, the output capacitor must be placed as close as possible to VROUT and GND pins, and keep the leads as short as possible. Suggested Output Capacitance Vendor Capacitance Type Series TAIYO YUDEN 1F Ceramic LMK212B Suggested Resistance Vendor Capacitance YAGEO SMD
Current Limit Protection When output current at VROUT pin is higher than current limit threshold, the current limit protection will be triggered and clamp the output current to approximately 750mA to prevent over-current and protect the regulator from damage due to overheating. Short circuit protection When VROUT pin is shorted to GND or VROUT voltage is less than 200mV, short circuit protection will be triggered and clamp the output current to approximately 50mA. VDOUT (reset output) ---Open-Drain Active-Low reset output--In general, VDOUT is pulled up by a resistor (100K) to VIN. The AP7215 microprocessor (P) supervisory circuitry asserts a guaranteed logic-low reset during power-up and power-down. Reset is asserted when VIN is below the reset threshold and remain asserted for at least tRP after VIN rises above the reset threshold. As long as VIN is lower than the reset threshold, VDOUT remains at logic "0". When VIN becomes higher than VHYS, a logic "1" is asserted after a 20ms time delay defined by tRP
Type FR-SK
AP7215 Rev. 1
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AP7215
600mA CMOS LDO
Marking Information
(1) SOP-8L
( Top View )
8 5
Logo Part Number AP7215-33 YY WW X X
1 4
YY : Year : 08, 09,10~ WW : Week : 01~52; 52 represents 52 and 53 week X : Internal Code G : Green
(2) SOT89-3L
( Top View ) XX : Identification code Y : Year : 0~9 W : Week : A~Z : 1~26 week; a~z : 27~52 week; z represents 52 and 53 week X : Internal code A~Z : Green
Identification Code N8
XX YWX
1 2 3
Device AP7215Y
Package type SOT89-3L
AP7215 Rev. 1
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AP7215
600mA CMOS LDO
Package Information
(1) Package Type: SOP-8L
(All Dimensions in mm)
3.85/3.95
5.90/6.10
0.10/0.20
0.254 0.62/0.82
Gauge Plane Seating Plane
Detail "A"
7~9 1.30/1.50 1.75max. 0.15/0.25
0.35max. 45
7~9
Detail "A"
0/8
1.27typ 4.85/4.95
0.3/0.5
8x-0.60 5.4 6x-1.27 8x-1.55
Land Pattern Recommendation (Unit: mm)
(2) Package Type: SOT89-3L
1.40/1.75 Typ 1.60
1.7 2.35/2.60 Typ 2.48
3.94/4.25
0.4 1.9 1.3
1.45/1.55 Typ 1.50 2.90/3.10 Typ 3.00 80 (2x) 4.40/4.60 Typ 4.50 1.40/1.60 Typ 1.50
0.80/ 1.20
1.5 0.9 Land Pattern Recommendation (Unit: mm) 50 (2x)
0.36/0.48 0.41/0.53 0.36/0.48 Typ 0.42 Typ 0.47 Typ 0.42
0.35/0.43 Typ 0.39
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AP7215
600mA CMOS LDO
IMPORTANT NOTICE Diodes Incorporated and its subsidiaries reserve the right to make modifications, enhancements, improvements, corrections or other changes without further notice to any product herein. Diodes Incorporated does not assume any liability arising out of the application or use of any product described herein; neither does it convey any license under its patent rights, nor the rights of others. The user of products in such applications shall assume all risks of such use and will agree to hold Diodes Incorporated and all the companies whose products are represented on our website, harmless against all damages. LIFE SUPPORT Diodes Incorporated products are not authorized for use as critical components in life support devices or systems without the expressed written approval of the President of Diodes Incorporated.
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