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 AME, Inc.
AME8815
1.5A CMOS LDO
n General Description
The AME8815 family of linear regulators feature low quiescent current (45A typ.) with low dropout voltage, making them ideal for battery applications. It is available in D2PAK and TO-220 packages. The space-efficient SOT-223 and DPAK package are attractive for "Pocket" and "Hand Held" applications. Output voltages are set at the factory and trimmed to 1.5% accuracy. These rugged devices have both Thermal Shutdown, and Current Fold-back to prevent device failure under the "Worst" of operating conditions. The AME8815 is stable with an output capacitance of 4.7F or greater.
n Features
l l l l l l l l l
Very Low Dropout Voltage Guaranteed 1.5A Output Accurate to within 1.5% 45A Quiescent Current Typically Over-Temperature Shutdown Current Limiting Short Circuit Current Fold-back Space-Efficient DPAK or SOT223 Package Low Temperature Coefficient
n Applications
l l l
n Functional Block Diagram
IN OUT
l l
Instrumentation Portable Electronics Wireless Devices PC Peripherals Battery Powered Widgets
Overcurrent Shutdown
Thermal Shutdown
n Typical Application
R1
IN
IN
AME8815
GND
OUT
OUT
AMP
C1 5V
C2
1F
1.215V R2 GND
4.7 F
1
AME, Inc.
AME8815
1.5A CMOS LDO
n Pin Configuration
SOT-223 Top View SOT-223 Top View
1. VIN 2. GND (heat sink) 3. VOUT
1 2 3 1 2 3
1. GND 2. VOUT (heat sink) 3. VIN
AME8815AEGTXXX
AME8815BEGTXXX
TO-252 (DPAK-2) Top View
TO-252 (DPAK-2) Top View
1. VIN 2. GND (heat sink) 3. VOUT
1 2 3 1 2 3
1. GND 2. VOUT (heat sink) 3. VIN
AME8815AECSXXX
AME8815BECSXXX
TO-220 Top View
TO-220 Top View
1. VIN 2. GND (heat sink) 3. VOUT
1. GND 2. VOUT (heat sink) 3. VIN
1
2
3
1
2
3
AME8815AEBTXXX
2
AME8815BEBTXXX
AME, Inc.
AME8815
1.5A CMOS LDO
n
Ordering Information
AME8815 X X X X XXX
Voltage 150: V=1.5V 180: V=1.8V 250: V=2.5V 330: V=3.3V 475: V=4.75V 500: V=5.0V Number of Pin S: 2 T: 3 Package B: TO-220 C: TO-252 D: TO-263 G: SOT-223 Operating Temperature 70oC C: 0oC to o E: -40 C to 85oC M: -40oC to 125oC Pin Configuration
Please consult AME sales office or authorized Rep./Distr. For other output voltage and package type availbility.
3
AME, Inc.
AME8815
n Ordering
1.5A CMOS LDO
Information
Marking AME8815 AEBT150 yyww AME8815 AEBT180 yyww AME8815 AEBT250 yyww AME8815 AEBT330 yyww AME8815 AEBT475 yyww AME8815 AEBT500 yyww AME8815 AECS150 yyww AME8815 AECS180 yyww AME8815 AECS250 yyww AME8815 AECS330 yyww AME8815 AECS475 yyww AME8815 AECS500 yyww Output 1.50 Package Operating Temp. TO-220 -40oC to +85oC
Part Number AME8815AEBT150
AME8815AEBT180
1.80
TO-220
-40oC to +85oC
AME8815AEBT250
2.50
TO-220
-40oC to +85oC
AME8815AEBT330
3.30
TO-220
-40oC to +85oC
AME8815AEBT475
4.75
TO-220
-40oC to +85oC
AME8815AEBT500
5.00
TO-220
-40oC to +85oC
AME8815AECS150
1.50
TO-252
-40oC to +85oC
AME8815AECS180
1.80
TO-252
-40oC to +85oC
AME8815AECS250
2.50
TO-252
-40oC to +85oC
AME8815AECS330
3.30
TO-252
-40oC to +85oC
AME8815AECS475
4.75
TO-252
-40oC to +85oC
AME8815AECS500
5.00
TO-252
-40oC to +85oC
4
AME, Inc.
AME8815
1.5A CMOS LDO
n
Ordering Information
Part Number Marking Output 1.50 Package Operating Temp. TO-263 -40oC to +85oC
AME8815 AME8815AEDS150 AEDS150 yyww AME8815 AME8815AEDS180 AEDS180 yyww AME8815 AME8815AEDS250 AEDS250 yyww AME8815 AME8815AEDS330 AEDS330 yyww AME8815 AME8815AEDS475 AEDS475 yyww AME8815 AME8815AEDS500 AEDS500 yyww AME8815AEGT150 ASPww
1.80
TO-263
-40oC to +85oC
2.50
TO-263
-40oC to +85oC
3.30
TO-263
-40oC to +85oC
4.75
TO-263
-40oC to +85oC
5.00
TO-263
-40oC to +85oC
1.50
SOT-223
-40oC to +85oC
AME8815AEGT180
AQUww
1.80
SOT-223
-40oC to +85oC
AME8815AEGT250
APRww
2.50
SOT-223
-40oC to +85oC
AME8815AEGT330
AKCww
3.30
SOT-223
-40oC to +85oC
AME8815AEGT475
AQRww
4.75
SOT-223
-40oC to +85oC
AME8815AEGT500
AQSww
5.00
SOT-223
-40oC to +85oC
5
AME, Inc.
AME8815
1.5A CMOS LDO
n
Ordering Information
Part Number AME8815BEBT150 Marking AME8815 BEBT150 yyww AME8815 BEBT180 yyww AME8815 BEBT250 yyww AME8815 BEBT330 yyww AME8815 BEBT475 yyww AME8815 BEBT500 yyww AME8815 BECS150 yyww AME8815 BECS180 yyww AME8815 BECS250 yyww AME8815 BECS330 yyww AME8815 BECS475 yyww AME8815 BECS500 yyww Output 1.50 Package Operating Temp. TO-220 -40oC to +85oC
AME8815BEBT180
1.80
TO-220
-40oC to +85oC
AME8815BEBT250
2.50
TO-220
-40oC to +85oC
AME8815BEBT330
3.30
TO-220
-40oC to +85oC
AME8815BEBT475
4.75
TO-220
-40oC to +85oC
AME8815BEBT500
5.00
TO-220
-40oC to +85oC
AME8815BECS150
1.50
TO-252
-40oC to +85oC
AME8815BECS180
1.80
TO-252
-40oC to +85oC
AME8815BECS250
2.50
TO-252
-40oC to +85oC
AME8815BECS330
3.30
TO-252
-40oC to +85oC
AME8815BECS475
4.75
TO-252
-40oC to +85oC
AME8815BECS500
5.00
TO-252
-40oC to +85oC
6
AME, Inc.
AME8815
1.5A CMOS LDO
n
Ordering Information
Part Number Marking Output 1.50 Package Operating Temp. TO-263 -40oC to +85oC AME8815 AME8815BEDS150 BEDS150 yyww AME8815 AME8815BEDS180 BEDS180 yyww AME8815 AME8815BEDS250 BEDS250 yyww AME8815 AME8815BEDS330 BEDS330 yyww AME8815 AME8815BEDS475 BEDS475 yyww AME8815 AME8815BEDS500 BEDS500 yyww AME8815BEGT150 AJYww
1.80
TO-263
-40oC to +85oC
2.50
TO-263
-40oC to +85oC
3.30
TO-263
-40oC to +85oC
4.75
TO-263
-40oC to +85oC
5.00
TO-263
-40oC to +85oC
1.50
SOT-223
-40oC to +85oC
AME8815BEGT180
AJZww
1.80
SOT-223
-40oC to +85oC
AME8815BEGT250
AKBww
2.50
SOT-223
-40oC to +85oC
AME8815BEGT330
AKDww
3.30
SOT-223
-40oC to +85oC
AME8815BEGT475
AMNww
4.75
SOT-223
-40oC to +85oC
AME8815BEGT500
AQTww
5.00
SOT-223
-40oC to +85oC
7
AME, Inc.
AME8815
n Absolute Maximum Ratings:
Parameter Input Voltage Output Current Output Voltage ESD Classification Maximum 8 Unit V mA V
1.5A CMOS LDO
P D / (V IN - V O)
GND - 0.3 to V IN + 0.3 B
Caution: Stress above the listed absolute maximum rating may cause permanet damage to the device.
n Recommended operating Conditions:
Parameter Ambient Temperature Range Junction Temperature Rating -40 to +85 -40 to +125 Unit
o
C C
o
n T hermal Information
Parameter SOT-223 TO-252 (DPAK) Thermal Resistance (ja) D PAK TO-220 SOT-223 Internal Power Dissipation (P D ) ( T = 100oC) TO-252 (DPAK) D2PAK TO-220 Maximum Junction Temperature Maximum Lead Temperature ( 10 Sec)
8
2
Maximum 160 90
o
Unit
C/W
60 50 625 1200 mW 2800 3000 150 300
o
C C
o
AME, Inc.
AME8815
1.5A CMOS LDO
n Electrical Specifications
V IN = V O(nom) +2V, TA = 25 o C unless otherwise noted
Parameter Input Voltage Output Voltage Accuracy Symbol VIN VO IO=1.5A VO=VONOM -2.0% IO=1mA 1.4V1.2V VO>1.2V VO<0.4V IO=0mA IO=1mA to 1500mA IO=1mA VIN =VO+1 to VO+2 VO < 2.0V 4.0V > VO >= 2.0V 4.0V <= VO Load Regulation Over Temerature Shutdown Over Temerature Hysterisis VO Temperature Coefficient REGLOAD OTS OTH TC f=1kHz Power Supply Rejection PSRR IO=100mA CO=4.7F f=10Hz to 100kHz IO=10mA f=10kHz f=100kHz Co=4.7F IO=1mA to 1500mA -0.15 -0.1 -0.4 -1 0.2 150 30 30 50 20 15 30 Vrms dB 0.02 1500 1500 2000 750 45 45 0.15 0.1 0.4 1 70 See chart Test Condition Min Note 1 -1.5 Typ Max 7 1.5 1300 800 600 mA mA mA A A % % % %
o o
Units V %
Dropout Voltage
VDROPOUT
mV
Line Regulation
REGLINE
C C
ppm/oC
Output Voltage Noise Note1:VIN(min)=VOUT+VDROPOUT
eN
9
AME, Inc.
AME8815
1.5A CMOS LDO
n Detailed Description
The AME8815 family of CMOS regulators contain a PMOS pass transistor, voltage reference, error amplifier, over-current protection, and thermal shutdown. The P-channel pass transistor receives data from the error amplifier, over-current shutdown, and thermal protection circuits. During normal operation, the error amplifier compares the output voltage to a precision reference. Over-current and Thermal shutdown circuits become active when the junction temperature exceeds 150oC, or the current exceeds 2.2A. During thermal shutdown, the output voltage remains low. Normal operation is restored when the junction temperature drops below 120oC. The AME8815 behaves like a current source when the load reaches 2.2A. However, if the load impedance drops below 0.3 ohms, the current drops back to 600mA to prevent excessive power dissipation. Normal operation is restored when the load resistance exceeds 0.75 ohms.
n External Capacitors
The AME8815 is stable with an output capacitor to ground of 4.7F or greater. Ceramic capacitors have the lowest ESR, and will offer the best AC performance. Conversely, Aluminum Electrolytic capacitors exhibit the highest ESR, resulting in the poorest AC response. Unfortunately, large value ceramic capacitors are comparatively expensive. One option is to parallel a 0.1F ceramic capacitor with a 10F Aluminum Electrolytic. The benefit is low ESR, high capacitance, and low overall cost. A second capacitor is recommended between the input and ground to stabilize Vin. The input capacitor should be at least 0.1F to have a beneficial effect. All capacitors should be placed in close proximity to the pins. A "Quiet" ground termination is desirable. This can be achieved with a "Star" connection.
10
AME, Inc.
AME8815
1.5A CMOS LDO
1.2
Dropout Voltage vs. I LOAD
V OUT= 1.5
1
Dropout Voltage vs. V O U T
I L O A D =1.5A
Dropout Voltage (V)
0.8 0.6 0.4 0.2 0 0 0.3 0.6 0.9 1.2 1.5
1.8 2.0 2.1 2.8 3.3
Dropout Voltage (V)
1
0.8 0.6
I L O A D =1.0A
0.4
I L O A D =0.5A
0.2 0
1.8
0
2
4
6
8
I LOAD (A)
V OUT (V)
Quiescent Current vs. Temperature
41
Ground Current vs. V IN
50 45
Quiescent Current @ 5V (uA)
Ground Current (A)
39 37 35 33 31 29 27 25 -45
40 35 30 25 20 15 10 2 3 4 5 6 7 8
I O U T = 140mA V O U T = 1.5V
-5
25
55
0
85
115
Temperature ( C)
V IN (V)
Ground Current vs. Load Current
38.5
Ground Current (A)
38 37.5 37 36.5 36 35.5 35 34.5 0 0.25 0.5 0.75 1 1.25 1.5
V IN = 2.5V V OUT = 1.5V
Load Current (mA)
11
AME, Inc.
AME8815
1.5A CMOS LDO
V OUT vs. Temperature (2.5V)
2.500
Load Regulation vs. Temperature
0.30
Output Voltage (V)
Load Regulation (%)
-5 25 55
0
2.495 2.490 2.485 2.480 2.475 -45
0.25 0.20 0.15 0.10 0.05 0.00 -45
85
115
Temperature ( C)
-5
Temperature (0C)
25
55
85
115
Dropout Voltage vs. Load Current (2.5V)
400 350
Dropout Voltage @ 1.5A (mV)
300 250 200 150 100 50 0 0.3 0.6 0.9 1.2 1.5
115 0 C 85 0 C 55 0 C 25 0 C -5 0 C -45 0 C
Load Current (A)
12
AME, Inc.
AME8815
1.5A CMOS LDO
Transient Line Response
VOUT (50mV/DIV)
Load Step 40mA to 1.5A
VOUT 10mV/DIV ILOAD 1A/DIV
VIN (2V/DIV)
C IN = 4.7F C O U T = 4.7F T R = T F = 1S VOUT = 1.5V
0A C IN = 4.7F C O U T = 4.7F V IN = 4.0V V O U T = 1.8V
0V
Time (20S/DIV)
Time 500 S/DIV
Current Limit Response
3
Current Limit Vs. V IN
2.8 2.6 2.4 2.2 2 1.8 1.6 1.4 1.2 1 2 3 4 5 6 7 8
C I N = 4.7F C O U T = 4.7F V O U T = 1.8V
VOUT 1V/DIV
0V IL I M IS C 0A
ILOAD 1A/DIV
Time 1mS/DIV
Current Limit (A)
V I N = 5V C I N = 4.7F C O U T = 4.7F
V IN (V)
1.6
Short Circuit Current VS. V IN
C I N = 4.7F C O U T = 4.7F
Overtemperature Shutdown
IOUT 1A/DIV
Short Circuit Current (A)
1.4 1.2 1 0.8 0.6 0.4 0.2 0 2
0A V IN = 4V C IN = 4.7F C O U T = 4.7F
VOUT 1V/DIV
0V
3
4
5
6
7
8
Time 100mS/DIV
13
V IN (V)
AME, Inc.
AME8815
1.5A CMOS LDO
10000 1000
Stability vs. ESR vs I LOAD
10000
Unstable Region
Stability vs. ESR vs I LOAD
Unstable Region
1000
C L =5F
CLESR ()
100 10 1 0.1
100
C L =2 F
CLESR ()
10 1 0.1
Stable Region
Stable Region
0.01 0 250
Untested Region 500 750 1000 1250
0.01 1500 0 250 500
Untested Region
750
1000
1250
1500
ILOAD (mA)
ILOAD (mA)
10000 1000 100
Stability vs. ESR vs I L O A D
Unstable Region
CLESR ()
C L =10F
10 1
Stable Region
0.1
0.01
Untested Region
0.001 0 250 500 750 1000 1250 1500
ILOAD (mA)
14
AME, Inc.
AME8815
1.5A CMOS LDO
n Package Dimension
TO-220
SYMBOLS
A C D E G I K M N O P
MILLIMETERS MIN MAX
5.58 3.56 0.51 0.31 9.65 3.53 0.51 1.14 2.29 12.70 14.22 7.49 4.83 1.40 1.14 10.67 4.09 1.14 1.78 2.79 14.73 16.51
INCHES MIN MAX
0.2197 0.1400 0.0200 0.0120 0.3800 0.1390 0.0200 0.0449 0.0900 0.5000 0.5600 0.2949 0.1900 0.0550 0.0450 0.4200 0.1610 0.0450 0.0700 0.1100 0.5800 0.6500
SOT-223
SYMBOLS A A1 B B1 C D E e e1 H L L1 L2 a
MILLIMETERS MIN MAX 1.50 1.80 0.02 0.10 0.60 2.90 0.24 6.30 3.30 0.84 3.15 0.38 6.71 3.71
INCHES MIN MAX 0.0591 0.0709 0.0008 0.0039 0.0236 0.1140 0.0094 0.2480 0.1299 0.0330 0.1240 0.0150 0.2640 0.1460
2.30 BSC 4.60 BSC 6.70 7.30 0.91 MIN 2.00 MAX 0.06 BSC
0o 10o
0.0906 BSC 0.1811 BSC 0.2638 0.2874 0.0358 MIN 0.0787 MAX 0.0024 BSC
0o 10o
15
AME, Inc.
AME8815
1.5A CMOS LDO
n Package Dimension
TO-252
Top View Side View
SYMBOLS A B C D E F G H J K L * : Typical value
NOTES : 1. CONTROLLING DIMENSION : MILLIMETERS. 2. MAXIMUM LEAD THICKNESS INCLUDES LEAD FINISH THICKNESS MINIMUM LEAD THICKNESS IS THE MINIMUM THICKNESS OF BASE MATERIAL.
1
2
3
MILLIMETERS MIN MAX 0.40 0.60 1.60 2.00 0.50 0.40 0.60 6.35 6.80 5.33 6.30 2.20 3.00 1.98 2.50 0.61 0.97 5.04 5.64 0.40 2.03
INCHES MIN MAX 0.0157 0.0236 0.0630 0.0787 0.0197 0.0157 0.0236 0.2500 0.2677 0.2098 0.2480 0.0866 0.1181 0.0780 0.0984 0.0240 0.0382 0.1984 0.2220 0.0157 0.0799
Or
TO-252
SYMBOLS A B C D E F G H J K L * : Typical value
NOTES : 1. CONTROLLING DIMENSION : MILLIMETERS. 2. MAXIMUM LEAD THICKNESS INCLUDES LEAD FINISH THICKNESS MINIMUM LEAD THICKNESS IS THE MINIMUM THICKNESS OF BASE MATERIAL.
Top View
Side View
1
2
3
MILLIMETERS MIN MAX 0.40 0.60 1.60 2.00 0.50 0.40 0.60 6.35 6.80 5.33 6.30 2.20 3.00 1.98 2.50 0.61 0.97 5.04 5.64 0.40 2.03
INCHES MIN MAX 0.0157 0.0236 0.0630 0.0787 0.0197 0.0157 0.0236 0.2500 0.2677 0.2098 0.2480 0.0866 0.1181 0.0780 0.0984 0.0240 0.0382 0.1984 0.2220 0.0157 0.0799
16
www.ame.com.tw
E-Mail: info@ame.com.tw
Life Support Policy: These products of AME, Inc. are not authorized for use as critical components in life-support devices or systems, without the express written approval of the president of AME, Inc. AME, Inc. reserves the right to make changes in the circuitry and specifications of its devices and advises its customers to obtain the latest version of relevant information. (c) AME, Inc. , January 2002 Document: 2013-DS8815-E
U.S. Headquarters
Analog Microelectronics, Inc.
3100 De La Cruz Blvd. Suite 201 Santa Clara, CA. 95054-2046 Tel : (408) 988-2388 Fax: (408) 988-2489
Corporate Headquarters
AME, Inc.
2F, 189 Kang-Chien Road, Nei-Hu District Taipei 114, Taiwan, R.O.C. Tel : 886 2 2627-8687 Fax : 886 2 2659-2989


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