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GM6250
300mA ULTRA LOW DROPOUT POSITIVE VOLTAGE REGULATOR
Description
GM6250 combines high accuracy with very low power consumption, and provides high output current even when the application requires extremely low input-output voltage dropout. GM6250 includes a precision voltage reference, an error correction circuit, over-temperature protection, and a current limited output driver. Fast transient response to load variations provides excellent stability under dynamic loads. GM6250 comes in SOT-23 (150mW), and SOT-89 (500mW).
Features
Maximum output current up 300mA Output voltage from 1.5V to 5.0V in 0.1V increments Output voltage accuracy : 2% CMOS low power consumption, typically 1.0A at VOUT = 5.0V Input stability: typically 0.2%/V Ultra low dropout voltage: 0.38V @ IOUT = 200mV at VOUT = 5.0V SOT-23 (150mW), SOT-89 (500mW) and TO-92 packages
Application
Palmtops Portable Cameras Video Recorders Battery Powered Equipment Reference Voltage Sources
Typical Application Circuits
GM6250-x.x VIN VIN VSS VOUT RL
CIN
1F
(Tantalum)
1F
COUT
(Tantalum)
www.gammamicro.com.tw
1
GM6250V2.00
GM6250
300mA ULTRA LOW DROPOUT POSITIVE VOLTAGE REGULATOR
Marking Information and Pin Configurations (Top View)
SOT23 TO92 SOT89
VIN 2
EAVYW
1 VSS 3 VOUT
6250 VV AYWW
GM6250 VVAYWW
1 VSS 2 3 VIN VOUT
123 VSS VIN VOUT
EA: Device Code V: Voltage Code (see next page) Y: Year (8 = 2008, 9 = 2009 ....) W: Week Code Week 1-26 : A - Z Week 27-52 : A - Z Week 53 : A
VV: Voltage suffix (18 = 1.8V, 50 = 5.0V...) A: Assembly Site Code Y: Year (8 = 2008, 9 = 2009 ....) WW: Week Code
Marking Information and Pin Configurations - Green Product(Top View)
SOT23 TO92 SOT89
VIN 2
EAVYW
1 VSS 3 VOUT
6250G VV AYWW
GM6250G VVAYWW
1 VSS 2 3 VIN VOUT
123 VSS VIN VOUT
EA: Device Code, Green Product
G: Green Product VV: Voltage suffix (18 = 1.8V, 50 = 5.0V...) A: Assembly Site Code Y: Year (8 = 2008, 9 = 2009 ....) WW: Week Code
GM6250V2.00
2
V: Voltage Code (see next page) Y: Year (8 = 2008, 9 = 2009 ....) W: Week Code Week 1-26 : A - Z Week 27-52 : A - Z Week 53 : A
GM6250
300mA ULTRA LOW DROPOUT POSITIVE VOLTAGE REGULATOR
Ordering Information
Ordering Number GM6250-1.5T92B GM6250-1.5T92RL GM6250-1.5ST23R GM6250-1.5ST89R GM6250-1.8T92B GM6250-1.8T92RL GM6250-1.8ST23R GM6250-1.8ST89R GM6250-2.2T92B GM6250-2.2T92RL GM6250-2.2ST23R GM6250-2.2ST89R GM6250-2.5T92B GM6250-2.5T92RL GM6250-2.5ST23R GM6250-2.5ST89R GM6250-2.7T92B GM6250-2.7T92RL GM6250-2.7ST23R GM6250-2.7ST89R GM6250-2.8T92B GM6250-2.8T92RL GM6250-2.8ST23R GM6250-2.8ST89R GM6250-2.85T92B GM6250-2.85T92RL GM6250-2.85ST23R GM6250-2.85ST89R GM6250-3.0T92B GM6250-3.0T92RL GM6250-3.0ST23R GM6250-3.0ST89R 3.0V 2.85V 2.8V 2.7V 2.5V 2.2V 1.8V 1.5V Output Voltage Voltage Code Package TO-92 TO-92 C SOT-23 SOT-89 TO-92 TO-92 E SOT-23 SOT-89 TO-92 TO-92 D SOT-23 SOT-89 TO-92 TO-92 G SOT-23 SOT-89 TO-92 TO-92 T SOT-23 SOT-89 TO-92 TO-92 H SOT-23 SOT-89 TO-92 TO-92 I SOT-23 SOT-89 TO-92 TO-92 J SOT-23 SOT-89 Shipping 1,000 Units/Bag 2,000 Units/Ammo Pack (Tape) 3,000 Units/Tape and Reel 1,000 Units/Tape and Reel 1,000 Units/Bag 2,000 Units/Ammo Pack (Tape) 3,000 Units/Tape and Reel 1,000 Units/Tape and Reel 1,000 Units/Bag 2,000 Units/Ammo Pack (Tape) 3,000 Units/Tape and Reel 1,000 Units/Tape and Reel 1,000 Units/Bag 2,000 Units/Ammo Pack (Tape) 3,000 Units/Tape and Reel 1,000 Units/Tape and Reel 1,000 Units/Bag 2,000 Units/Ammo Pack (Tape) 3,000 Units/Tape and Reel 1,000 Units/Tape and Reel 1,000 Units/Bag 2,000 Units/Ammo Pack (Tape) 3,000 Units/Tape and Reel 1,000 Units/Tape and Reel 1,000 Units/Bag 2,000 Units/Ammo Pack (Tape) 3,000 Units/Tape and Reel
1,000 Units/Bag 2,000 Units/Ammo Pack (Tape) 3,000 Units/Tape and Reel 1,000 Units/Tape and Reel
3
GM6250V2.00
1,000 Units/Tape and Reel
GM6250
300mA ULTRA LOW DROPOUT POSITIVE VOLTAGE REGULATOR
Ordering Information (Continued)
Ordering Number GM6250-3.2T92B GM6250-3.2T92RL GM6250-3.2ST23R GM6250-3.2ST89R GM6250-3.3T92B GM6250-3.3T92RL GM6250-3.3ST23R GM6250-3.3ST89R GM6250-3.5T92B GM6250-3.5T92RL GM6250-3.5ST23R GM6250-3.5ST89R GM6250-3.6T92B GM6250-3.6T92RL GM6250-3.6ST23R GM6250-3.6ST89R GM6250-4.0T92B GM6250-4.0T92RL GM6250-4.0ST23R GM6250-4.0ST89R GM6250-4.4T92B GM6250-4.4T92RL GM6250-4.4ST23R GM6250-4.4ST89R GM6250-4.5T92B GM6250-4.5T92RL GM6250-4.5ST23R 4.5V 4.4V 4.0V 3.6V 3.5V 3.3V 3.2V Output Voltage Voltage Code Package TO-92 TO-92 U SOT-23 SOT-89 TO-92 TO-92 K SOT-23 SOT-89 TO-92 TO-92 V SOT-23 SOT-89 TO-92 TO-92 L SOT-23 SOT-89 TO-92 TO-92 M SOT-23 SOT-89 TO-92 TO-92 W SOT-23 SOT-89 TO-92 TO-92 N SOT-23 SOT-89 TO-92 5.0V TO-92 Q SOT-23 SOT-89 Shipping 1,000 Units/Bag 2,000 Units/Ammo Pack (Tape) 3,000 Units/Tape and Reel 1,000 Units/Tape and Reel 1,000 Units/Bag 2,000 Units/Ammo Pack (Tape) 3,000 Units/Tape and Reel 1,000 Units/Tape and Reel 1,000 Units/Bag 2,000 Units/Ammo Pack (Tape) 3,000 Units/Tape and Reel 1,000 Units/Tape and Reel 1,000 Units/Bag 2,000 Units/Ammo Pack (Tape) 3,000 Units/Tape and Reel 1,000 Units/Tape and Reel 1,000 Units/Bag 2,000 Units/Ammo Pack (Tape) 3,000 Units/Tape and Reel 1,000 Units/Tape and Reel 1,000 Units/Bag 2,000 Units/Ammo Pack (Tape) 3,000 Units/Tape and Reel 1,000 Units/Tape and Reel 1,000 Units/Bag 2,000 Units/Ammo Pack (Tape) 3,000 Units/Tape and Reel 1,000 Units/Tape and Reel 1,000 Units/Bag 2,000 Units/Ammo Pack (Tape) 3,000 Units/Tape and Reel 1,000 Units/Tape and Reel
GM6250V2.00
4
GM6250-4.5ST89R GM6250-5.0T92B GM6250-5.0T92RL GM6250-5.0ST23R GM6250-5.0ST89R
GM6250
300mA ULTRA LOW DROPOUT POSITIVE VOLTAGE REGULATOR
Ordering Information - Green Product
Ordering Number GM6250-1.5T92BG GM6250-1.5T92RLG GM6250-1.5ST23RG GM6250-1.5ST89RG GM6250-1.8T92BG GM6250-1.8T92RLG GM6250-1.8ST23RG GM6250-1.8ST89RG GM6250-2.2T92BG GM6250-2.2T92RLG GM6250-2.2ST23RG GM6250-2.2ST89RG GM6250-2.5T92BG GM6250-2.5T92RLG GM6250-2.5ST23RG GM6250-2.5ST89RG GM6250-2.7T92BG GM6250-2.7T92RLG GM6250-2.7ST23RG GM6250-2.7ST89RG GM6250-2.8T92BG GM6250-2.8T92RLG GM6250-2.8ST23RG GM6250-2.8ST89RG GM6250-2.85T92BG GM6250-2.85T92RLG GM6250-2.85ST23RG GM6250-2.85ST89RG GM6250-3.0T92BG GM6250-3.0T92RLG GM6250-3.0ST23RG GM6250-3.0ST89RG 3.0V 2.85V 2.8V 2.7V 2.5V 2.2V 1.8V 1.5V Output Voltage Voltage Code Package TO-92 TO-92 C SOT-23 SOT-89 TO-92 TO-92 E SOT-23 SOT-89 TO-92 TO-92 D SOT-23 SOT-89 TO-92 TO-92 G SOT-23 SOT-89 TO-92 TO-92 T SOT-23 SOT-89 TO-92 TO-92 H SOT-23 SOT-89 TO-92 TO-92 I SOT-23 SOT-89 TO-92 TO-92 J SOT-23 SOT-89 Shipping 1,000 Units/Bag 2,000 Units/Ammo Pack (Tape) 3,000 Units/Tape and Reel 1,000 Units/Tape and Reel 1,000 Units/Bag 2,000 Units/Ammo Pack (Tape) 3,000 Units/Tape and Reel 1,000 Units/Tape and Reel 1,000 Units/Bag 2,000 Units/Ammo Pack (Tape) 3,000 Units/Tape and Reel 1,000 Units/Tape and Reel 1,000 Units/Bag 2,000 Units/Ammo Pack (Tape) 3,000 Units/Tape and Reel 1,000 Units/Tape and Reel 1,000 Units/Bag 2,000 Units/Ammo Pack (Tape) 3,000 Units/Tape and Reel 1,000 Units/Tape and Reel 1,000 Units/Bag 2,000 Units/Ammo Pack (Tape) 3,000 Units/Tape and Reel 1,000 Units/Tape and Reel 1,000 Units/Bag 2,000 Units/Ammo Pack (Tape) 3,000 Units/Tape and Reel
1,000 Units/Bag 2,000 Units/Ammo Pack (Tape) 3,000 Units/Tape and Reel 1,000 Units/Tape and Reel
5
GM6250V2.00
1,000 Units/Tape and Reel
GM6250
300mA ULTRA LOW DROPOUT POSITIVE VOLTAGE REGULATOR
Ordering Information - Green Product (Continued)
Ordering Number GM6250-3.2T92BG GM6250-3.2T92RLG GM6250-3.2ST23RG GM6250-3.2ST89RG GM6250-3.3T92BG GM6250-3.3T92RLG GM6250-3.3ST23RG GM6250-3.3ST89RG GM6250-3.5T92BG GM6250-3.5T92RLG GM6250-3.5ST23RG GM6250-3.5ST89RG GM6250-3.6T92BG GM6250-3.6T92RLG GM6250-3.6ST23RG GM6250-3.6ST89RG GM6250-4.0T92BG GM6250-4.0T92RLG GM6250-4.0ST23RG GM6250-4.0ST89RG GM6250-4.4T92BG GM6250-4.4T92RLG GM6250-4.4ST23RG GM6250-4.4ST89RG GM6250-4.5T92BG GM6250-4.5T92RLG GM6250-4.5ST23RG 4.5V 4.4V 4.0V 3.6V 3.5V 3.3V 3.2V Output Voltage Voltage Code Package TO-92 TO-92 U SOT-23 SOT-89 TO-92 TO-92 K SOT-23 SOT-89 TO-92 TO-92 V SOT-23 SOT-89 TO-92 TO-92 L SOT-23 SOT-89 TO-92 TO-92 M SOT-23 SOT-89 TO-92 TO-92 W SOT-23 SOT-89 TO-92 TO-92 N SOT-23 SOT-89 TO-92 5.0V TO-92 Q SOT-23 SOT-89 Shipping 1,000 Units/Bag 2,000 Units/Ammo Pack (Tape) 3,000 Units/Tape and Reel 1,000 Units/Tape and Reel 1,000 Units/Bag 2,000 Units/Ammo Pack (Tape) 3,000 Units/Tape and Reel 1,000 Units/Tape and Reel 1,000 Units/Bag 2,000 Units/Ammo Pack (Tape) 3,000 Units/Tape and Reel 1,000 Units/Tape and Reel 1,000 Units/Bag 2,000 Units/Ammo Pack (Tape) 3,000 Units/Tape and Reel 1,000 Units/Tape and Reel 1,000 Units/Bag 2,000 Units/Ammo Pack (Tape) 3,000 Units/Tape and Reel 1,000 Units/Tape and Reel 1,000 Units/Bag 2,000 Units/Ammo Pack (Tape) 3,000 Units/Tape and Reel 1,000 Units/Tape and Reel 1,000 Units/Bag 2,000 Units/Ammo Pack (Tape) 3,000 Units/Tape and Reel 1,000 Units/Tape and Reel 1,000 Units/Bag 2,000 Units/Ammo Pack (Tape) 3,000 Units/Tape and Reel 1,000 Units/Tape and Reel
GM6250V2.00
6
GM6250-4.5ST89RG GM6250-5.0T92BG GM6250-5.0T92RLG GM6250-5.0ST23RG GM6250-5.0ST89RG
GM6250
300mA ULTRA LOW DROPOUT POSITIVE VOLTAGE REGULATOR
Absolute Maximum Ratings
PARAMETER Input Voltage Output Current Output Voltage SOT-23 Continuous Total Power Dissipation Operating Ambient Temperature Storage Temperature Lead Temperature (Soldering, 10 sec) SOT-89 TO-92 TA Tstg PD SYMBOL VIN IOUT VOUT RATINGS 12 500 VSS - 0.3 to VIN +0.3 150 500 300 - 40 to 125 - 65 to 150 + 260 J J J mW UNITS V mA V
Block Diagram
VIN
VOUT
Current Limit
Voltage Reference
VSS
7
GM6250V2.00
GM6250
300mA ULTRA LOW DROPOUT POSITIVE VOLTAGE REGULATOR
Electrical Characteristics (TA = 25J
Parameter
GM6250-1.5 GM6250-2.2 GM6250-2.5 GM6250-2.7 GM6250-2.8 GM6250-3.0 Output Voltage GM6250-3.2 GM6250-3.3 GM6250-3.5 GM6250-3.6 GM6250-4.0 GM6250-4.4 GM6250-4.5 GM6250-5.0 Line Regulation Load Regulation VOUT > 2.7V Dropout Voltage 2.0V < VOUT < 2.7V VOUT < 2.0V Current Consumption Output Current Limit Power Supply Rejection Ration IQ ICL PSRR V VOI VOL VOUT
, VIN = VOUT + 1V unless otherwise noted) Min
1.470 1.764 2.450 2.646 2,744 2.940
Symbol
Condition
Typ
1.500 2.200 2.500 2.700 2.800 3.000 3.200 3.300 3.500 3.600 4.000 4.400 4.500 5.000 0.2 0.02 0.4
Max
1.530 2.236 2.550 2.754 2.856 3.060 3.264 3.366 3.570 3.672 4.080 4.488 4.590 5.100 0.3 0.03 0.7 0.85 1.3 2.9
Unit
IOUT = 40mA, VIN = VOUT + 1V
3.136 3.234 3.430 3.528 3.920 4.312 4.410 4.900
V
IOUT = 40mA, VOUT + 1V < VIN < 10V 1mA < IOUT < 80mA
%/V %/mA
IOUT = 160mA
0.55 0.9 1.0 500
V
A mA
10kHz
10
dB
GM6250V2.00
8
GM6250
300mA ULTRA LOW DROPOUT POSITIVE VOLTAGE REGULATOR
Application Note
Notes on Usage 1. 2. It is recommended to operate the GM6250 series within the stipulated absolute maximum ratings as the IC is liable to malfunction it is operated outside the ratings. There is a possibility of heat or oscillation as a result of the impedance present between the power supply and the IC's input. Where impedance is greater 10, it is recommend to use a capacitor (CIN) of at least 1F at the input terminal. With a large output current, operations can be stabilized by increasing capacitor size (CIN). If CIN is too small and capacitance of (CL) is increased, there is a possibility of oscillation due to input impedance. In such case, operation can be stabilized by either increasing the size of CIN or decreasing the size of CL. Please ensure the output current (IOUT) is less than Pd / (VIN - VOUT) and does not exceed the stipulated continuous for total power dissipation value (Pd) for the package.
3.
4.
CALCULATING POWER DISSIPATION The GM6250 series precision linear regulators include thermal shutdown and current limit circuitry to protect the devices. However, high power regulators normally operate at high junction temperatures so it is important to calculate the power dissipation and junction temperatures accurately to be sure that you use and adequate heat sink. The thermal characteristics of an IC depend four factors: 1. 2. 3. 4. Maximum Ambient Temperature TA (J ) Power Dissipation PD (Watts) Maximum Junction Temperature TJ (J ) Thermal Resistance Junction to ambient RJA (J /W)
These relationship of these four factors is expressed by equation : TJ = TA + PD X RJA Maximum ambient temperature and power dissipation are determined by the design while the maximum junction temperature and thermal resistance depend on the manufacturer and the package type.
9
GM6250V2.00
GM6250
300mA ULTRA LOW DROPOUT POSITIVE VOLTAGE REGULATOR
Typical Performance Characteristics (for GM6250-3.0)
1.0 0.8 0.6 0.4 0.2 0.0 -0.2
Input-Output Voltage Difference- VDIF (V)
3.1
CIN = 1F CL = 11F
Output Voltage - VOUT (V)
3.0
TOPR = 25C
2.9
2.8
VIN = 4V CIN = 1F CL = 11F
20 40 60 80 100 120 140 160 180
TOPR = 25C
2.7 0
20
40
60
80 100 120 140 160 180
Output Current: IOUT (mA)
Figure 1: Output Voltage vs. Output Current
Figure 2: Input/ Output Voltage differential vs. Output Current
3.20
3.10
Output Voltage: VOUT (V)
IOUT=1mA
Output Voltage: VOUT (V)
3.00
3.05
IOUT=1mA
2.80
3.00
2.60
40mA 10mA TOPR = 25C CIN=1F CL=1F
3.0 3.5
40mA
2.95
10mA
2.40
2.90
TOPR = 25C CIN=1F CL=1F
3 4 5 6 7 8 9 10
2.20 2.5
2.85
Input Voltage: VIN (V) Figure 3: Output Voltage vs. Input voltage
Input Voltage: VIN(V) Figure 4: Output Voltage vs. Input voltage
3.0
2.50
Supply Current:ISS(A)
Supply Current: ISS(A)
TOPR = 25C
2.0
2.25
TOPR = 25C
2.00
1.0
1.75
GM6250V2.00
0
1.50 0 2 4 6 8 10 3 4 5 6 7 8 9 10
Input Voltage: VIN(V)
Input Voltage: VIN(V)
Figure 5: Supply Current vs. Input Voltage
Figure 6: Supply Current vs. Input Voltage
10
GM6250
300mA ULTRA LOW DROPOUT POSITIVE VOLTAGE REGULATOR
Typical Performance Characteristics (for GM6250-3.0, continued)
6 6 6 5.0
Input Voltage Output Voltage - VIOUT (V)
4 5 4 3 2
Input Voltage - VIN (V)
2 0
Input Voltage - VIN (V)
5
4.5
4
Output Voltage
-2 -4 -6
IOUT = 1mA CL = 1F
4.0
3
3.5
IOUT = 1mA CL = 1F Time (0.4msec/div)
1 0
2
Output Voltage
3.0
1
2.5
Time (1msec/div)
Figure 7: Input Transient Response 1
60
Figure 8: Input Transient Response 2
Ripple Rejection Rate :RR (dB)
50 40 30 20 10 0 0.01
VIN = 4VDC + 1VPPAC IOUT = 40mA CL = 1F
0.1
1
10
Ripple Frequency: f (kHz)
Figure 9: Ripple Rejection Rate
Output Voltage - VIOUT (V)
Input Voltage
11
GM6250V2.00
GM6250
300mA ULTRA LOW DROPOUT POSITIVE VOLTAGE REGULATOR
Package Outline Dimensions - SOT 23
0.110 - 0.120 (2.80 - 3.04) 0.003 - 0.007 (0.08 - 0.18) 0.013 - 0.017 (0.34 - 0.44) 0.047 - 0.055 (1.20 - 1.40) 0.083 - 0.104 (2.11 - 2.62)
0 - 8 typ 0.075 Typ. (1.91)
0.037 (0.93) Typ.
0.0150 - 0.0200 (0.382 - 0.508)
0.0005 - 0.0040 (0.025 - 0.102)
Package Outline Dimensions - SOT 89
0.173 - 0.181 (4.39 - 4.59) 0.061 REF (1.550 REF) 0.084 - 0.090 (2.13 - 2.28) 0.155 - 0.167 (3.94 - 4.24) 0.035 - 0.047 (0.89 - 1.19) 0.013 - 0.021 (0.320 - 0.520) 0.059 BSC (1.49) BSC 0.118 BSC (2.99) BSC 0.090 - 0.102 (2.28 - 2.59) 8 0.016 - 0.023 (0.400 - 0.580)
0.055 - 0.063 (1.39 - 1.60) 0.014 - 0.017 (0.35 - 0.43)
GM6250V2.00
12
GM6250
300mA ULTRA LOW DROPOUT POSITIVE VOLTAGE REGULATOR
Package Outline Dimensions - TO 92
3.85 - 4.19 4.7 - 5.2
4.9 - 5.2
12.7 - 14.2
0.4 - 0.55 Typ. 1.22 - 1.32
2.10 - 2.27
Dimensions are in millimeters
1
GM6250V2.00
GM6250
300mA ULTRA LOW DROPOUT POSITIVE VOLTAGE REGULATOR
Ordering Number
GM 6250 - 2.2
APM Gamma Micro Circuit Type Output Voltage 2.2 2.5 3.3 5.0 = = = = 2.2V 2.5V 3.3V 5.0V
T92
Package Type T92: TO 92 ST89: SOT 89 ST23: SOT 23
B
Shipping Type B: Bag RL: Ammo Pack (Tape) T: Tube R: Tape & Reel
G
Blank:Pb-free G:Green
Note: Pb-free products: RoHS compliant and compatible with the current require-ments of IPC/JEDEC J-STD-020. Suitable for use in SnPb or Pb-free soldering processes with 100% matte tin (Sn) plating. Lead-free (RoHS compliant) Halogen free(Br or Cl does not exceed 900ppm by weight in homogeneous material and total of Br and Cl does not exceed 1500ppm by weight)
Green products:
GM6250V2.00
14

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