AME AME8815AEBT250 1.5a cmos ldo Datasheet

AME, Inc.
AME8815
1.5A CMOS LDO
n General Description
n Features
The AME8815 family of linear regulators feature low
quiescent current (45µA 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.
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Output voltages are set at the factory and trimmed to
1.5% accuracy.
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These rugged devices have both Thermal Shutdown,
and Current Fold-back to prevent device failure under
the "Worst" of operating conditions.
Very Low Dropout Voltage
Guaranteed 1.5A Output
Accurate to within 1.5%
45µA Quiescent Current Typically
Over-Temperature Shutdown
Current Limiting
Short Circuit Current Fold-back
Space-Efficient DPAK or SOT223 Package
Low Temperature Coefficient
The AME8815 is stable with an output capacitance of
4.7µF or greater.
n Applications
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n Functional Block Diagram
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IN
Instrumentation
Portable Electronics
Wireless Devices
PC Peripherals
Battery Powered Widgets
OUT
Overcurrent
Shutdown
n Typical Application
Thermal
Shutdown
R1
OUT
AME8815
IN
OUT
IN
GND
AMP
C1
5V
1µF
1.215V
C2
4.7µF
R2
GND
1
AME, Inc.
1.5A CMOS LDO
AME8815
n Pin Configuration
SOT-223 Top View
SOT-223 Top View
1. VIN
2. GND (heat sink)
3. VOUT
1
2
1. GND
2. VOUT (heat sink)
3. VIN
1
3
2
3
AME8815AEGTXXX
AME8815BEGTXXX
TO-252 (DPAK-2) Top View
TO-252 (DPAK-2) Top View
1. GND
2. VOUT (heat sink)
3. VIN
1. VIN
2. GND (heat sink)
3. VOUT
1
2
1
3
2
3
AME8815BECSXXX
AME8815AECSXXX
TO-220 Top View
TO-220 Top View
1. GND
2. VOUT (heat sink)
3. VIN
1. VIN
2. GND (heat sink)
3. VOUT
1
2
3
AME8815AEBTXXX
2
1
2
3
AME8815BEBTXXX
AME, Inc.
AME8815
n
1.5A CMOS LDO
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.
1.5A CMOS LDO
AME8815
n Ordering
Information
Part Number
AME8815AEBT150
AME8815AEBT180
AME8815AEBT250
AME8815AEBT330
AME8815AEBT475
AME8815AEBT500
AME8815AECS150
AME8815AECS180
AME8815AECS250
AME8815AECS330
AME8815AECS475
AME8815AECS500
4
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
Package Operating Temp.
1.50
TO-220
-40oC to +85oC
1.80
TO-220
-40oC to +85oC
2.50
TO-220
-40oC to +85oC
3.30
TO-220
-40oC to +85oC
4.75
TO-220
-40oC to +85oC
5.00
TO-220
-40oC to +85oC
1.50
TO-252
-40oC to +85oC
1.80
TO-252
-40oC to +85oC
2.50
TO-252
-40oC to +85oC
3.30
TO-252
-40oC to +85oC
4.75
TO-252
-40oC to +85oC
5.00
TO-252
-40oC to +85oC
AME, Inc.
AME8815
n
1.5A CMOS LDO
Ordering Information
Part Number
Marking
AME8815
AME8815AEDS150 AEDS150
yyww
AME8815
AME8815AEDS180 AEDS180
yyww
AME8815
AME8815AEDS250 AEDS250
yyww
AME8815
AME8815AEDS330 AEDS330
yyww
AME8815
AME8815AEDS475 AEDS475
yyww
AME8815
AME8815AEDS500 AEDS500
yyww
Output
Package Operating Temp.
1.50
TO-263
-40oC to +85oC
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
AME8815AEGT150
ASPww
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.
1.5A CMOS LDO
AME8815
n
Ordering Information
Part Number
AME8815BEBT150
AME8815BEBT180
AME8815BEBT250
AME8815BEBT330
AME8815BEBT475
AME8815BEBT500
AME8815BECS150
AME8815BECS180
AME8815BECS250
AME8815BECS330
AME8815BECS475
AME8815BECS500
6
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
Package Operating Temp.
1.50
TO-220
-40oC to +85oC
1.80
TO-220
-40oC to +85oC
2.50
TO-220
-40oC to +85oC
3.30
TO-220
-40oC to +85oC
4.75
TO-220
-40oC to +85oC
5.00
TO-220
-40oC to +85oC
1.50
TO-252
-40oC to +85oC
1.80
TO-252
-40oC to +85oC
2.50
TO-252
-40oC to +85oC
3.30
TO-252
-40oC to +85oC
4.75
TO-252
-40oC to +85oC
5.00
TO-252
-40oC to +85oC
AME, Inc.
AME8815
n
1.5A CMOS LDO
Ordering Information
Part Number
Marking
AME8815
AME8815BEDS150 BEDS150
yyww
AME8815
AME8815BEDS180 BEDS180
yyww
AME8815
AME8815BEDS250 BEDS250
yyww
AME8815
AME8815BEDS330 BEDS330
yyww
AME8815
AME8815BEDS475 BEDS475
yyww
AME8815
AME8815BEDS500 BEDS500
yyww
Output
Package Operating Temp.
1.50
TO-263
-40oC to +85oC
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
AME8815BEGT150
AJYww
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.
1.5A CMOS LDO
AME8815
n Absolute Maximum Ratings:
Parameter
Maximum
Unit
8
V
Output Current
P D / (V IN - V O)
mA
Output Voltage
GND - 0.3 to V IN + 0.3
V
Input Voltage
ESD Classification
B
Caution: Stress above the listed absolute maximum rating may cause permanet damage to the device.
n Recommended operating Conditions:
Parameter
Rating
Unit
Ambient Temperature Range
-40 to +85
o
C
Junction Temperature
-40 to +125
o
C
n T hermal Information
Parameter
Maximum
SOT-223
160
TO-252 (DPAK)
90
Thermal Resistance (θja)
o
2
Internal Power Dissipation (P D )
(∆ T = 100oC)
8
Unit
D PAK
60
TO-220
50
SOT-223
625
TO-252 (DPAK)
1200
D2PAK
2800
TO-220
3000
C/W
mW
Maximum Junction Temperature
150
o
C
Maximum Lead Temperature ( 10 Sec)
300
o
C
AME, Inc.
AME8815
1.5A CMOS LDO
n Electrical Specifications
V IN = V O(nom) +2V, TA = 25 o C unless otherwise noted
Parameter
Symbol
Input Voltage
VIN
Output Voltage Accuracy
VO
Dropout Voltage
VDROPOUT
Test Condition
IO=1mA
Min
Typ
Max
Units
Note 1
7
V
-1.5
1.5
%
1.4V<VO(NOM)<=2.0V
IO=1.5A
VO=VONOM -2.0%
1300
See
chart
2.0V<VO(NOM)<=2.8V
2.8V<VO(NOM)
IO
VO>1.2V
1500
Current Limit
ILIM
VO>1.2V
1500
Short Circuit Current
ISC
Quiescent Current
Ground Pin Current
Load Regulation
mA
2000
mA
VO<0.4V
750
mA
IQ
IO=0mA
45
IGND
IO=1mA to 1500mA
45
REGLINE
REGLOAD
Over Temerature Shutdown
IO=1mA
VIN =VO+1 to VO+2
VO < 2.0V
-0.15
4.0V > VO >= 2.0V
-0.1
4.0V <= VO
-0.4
IO=1mA to 1500mA
OTS
-1
0.02
0.2
VO Temperature Coefficient
TC
30
Output Voltage Noise
eN
CO=4.7µF
f=10Hz to 100kHz
IO=10mA
µA
0.15
%
0.1
%
0.4
%
1
%
o
30
PSRR
µA
150
OTH
IO=100mA
70
o
Over Temerature Hysterisis
Power Supply Rejection
mV
600
Output Current
Line Regulation
800
f=1kHz
50
f=10kHz
20
f=100kHz
15
Co=4.7µF
30
C
C
ppm/oC
dB
µVrms
Note1:VIN(min)=VOUT+VDROPOUT
9
AME, Inc.
AME8815
1.5A CMOS LDO
n Detailed Description
n External Capacitors
The AME8815 family of CMOS regulators contain a
PMOS pass transistor, voltage reference, error amplifier, over-current protection, and thermal shutdown.
The AME8815 is stable with an output capacitor to
ground of 4.7µF 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 0.1µF
ceramic capacitor with a 10µF Aluminum Electrolytic.
The benefit is low ESR, high capacitance, and low overall cost.
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.
10
A second capacitor is recommended between the input
and ground to stabilize Vin. The input capacitor should
be at least 0.1µF 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.
AME, Inc.
AME8815
Dropout Voltage vs. I LOAD
V OUT=
1
I L O A D =1.5A
1.5
1.8
0.8
2.0
0.6
Dropout Voltage vs. V O U T
1
Dropout Voltage (V)
1.2
Dropout Voltage (V)
1.5A CMOS LDO
2.1
0.4
2.8
0.2
3.3
0.8
0.6
I L O A D =1.0A
0.4
I L O A D =0.5A
0.2
0
0
0
0.3
0.6
0.9
1.2
1.5
0
1.8
2
4
I LOAD (A)
41
50
39
45
37
35
33
31
29
27
-5
25
55
8
Ground Current vs. V IN
µA)
Ground Current (µ
Quiescent Current @ 5V
(uA)
Quiescent Current vs. Temperature
25
-45
6
V OUT (V)
85
40
35
I O U T = 140mA
V O U T = 1.5V
30
25
20
15
10
115
2
0
Temperature ( C)
3
4
5
6
7
8
V IN (V)
Ground Current vs. Load Current
µA)
Ground Current (µ
38.5
38
37.5
V IN = 2.5V
V OUT = 1.5V
37
36.5
36
35.5
35
34.5
0
0.25
0.5
0.75
1
1.25
1.5
Load Current (mA)
11
AME, Inc.
1.5A CMOS LDO
AME8815
V OUT vs. Temperature (2.5V)
Load Regulation vs. Temperature
0.30
2.495
Load Regulation (%)
Output Voltage (V)
2.500
2.490
2.485
2.480
2.475
-45
-5
25
55
85
Temperature ( C)
400
Dropout Voltage @
1.5A (mV)
350
300
250
150
100
50
0
0.3
0.6
0.9
1.2
Load Current (A)
12
115 0 C
85 0 C
55 0 C
25 0 C
-5 0 C
-45 0 C
200
1.5
0.20
0.15
0.10
0.05
0.00
-45
115
0
Dropout Voltage vs. Load Current
(2.5V)
0.25
-5
25
55
Temperature (0C)
85
115
AME, Inc.
AME8815
1.5A CMOS LDO
Load Step 40mA to 1.5A
VOUT 10mV/DIV ILOAD 1A/DIV
VOUT (50mV/DIV)
Transient Line Response
VIN (2V/DIV)
C IN = 4.7µF
C O U T = 4.7µF
T R = T F = 1µS
VOUT = 1.5V
0V
µS/DIV)
Time (20µ
0A
C IN = 4.7µF
C O U T = 4.7µF
V IN = 4.0V
V O U T = 1.8V
Time 500 µS/DIV
Current Limit Vs. V IN
Current Limit Response
3
2.8
ILOAD 1A/DIV
0V
IL I M
IS C
0A
Current Limit (A)
VOUT 1V/DIV
V I N = 5V
C I N = 4.7µF
C O U T = 4.7µF
C I N = 4.7µF
C O U T = 4.7µF
V O U T = 1.8V
2.6
2.4
2.2
2
1.8
1.6
1.4
1.2
1
2
Time 1mS/DIV
3
4
5
6
7
8
V IN (V)
Short Circuit Current VS. V IN
IOUT 1A/DIV
1.4
Overtemperature Shutdown
C I N = 4.7µF
C O U T = 4.7µF
1.2
1
0.8
VOUT 1V/DIV
Short Circuit Current (A)
1.6
0.6
0.4
0.2
0A
V IN = 4V
C IN = 4.7µF
C O U T = 4.7µF
0V
0
2
3
4
5
6
7
8
Time 100mS/DIV
V IN (V)
13
AME, Inc.
1.5A CMOS LDO
AME8815
Stability vs. ESR vs I LOAD
10000
Stability vs. ESR vs I LOAD
10000
Unstable Region
Unstable Region
1000
C L =5µF
100
10
1
Stable Region
0.1
0
250
Untested Region
500
750
1000 1250
1
Stable Region
1500
Unstable Region
1000
100
C L =10µF
10
1
Stable Region
0.1
0.01
Untested Region
0.001
0
250
500
750
1000
ILOAD (mA)
0
250
500
750
1000
ILOAD (mA)
Stability vs. ESR vs I L O A D
10000
Untested Region
0.01
ILOAD (mA)
Ω)
CLESR (Ω
10
0.1
0.01
14
C L =2 µF
100
Ω)
CLESR (Ω
CLESR (Ω
Ω)
1000
1250
1500
1250
1500
AME, Inc.
AME8815
1.5A CMOS LDO
n Package Dimension
TO-220
SYMBOLS
MILLIMETERS
MIN
MAX
INCHES
MIN
MAX
A
5.58
7.49
0.2197
0.2949
C
3.56
4.83
0.1400
0.1900
0.0550
D
0.51
1.40
0.0200
E
0.31
1.14
0.0120
0.0450
G
9.65
10.67
0.3800
0.4200
I
3.53
4.09
0.1390
0.1610
K
0.51
1.14
0.0200
0.0450
M
1.14
1.78
0.0449
0.0700
N
2.29
2.79
0.0900
0.1100
O
12.70
14.73
0.5000
0.5800
P
14.22
16.51
0.5600
0.6500
SOT-223
α
SYMBOLS
A
A1
B
B1
C
D
E
e
e1
H
L
MILLIMETERS
MIN
MAX
1.50
1.80
0.02
0.10
INCHES
MIN
MAX
0.0591
0.0709
0.0008
0.0039
0.60
2.90
0.84
3.15
0.0236
0.1140
0.0330
0.1240
0.24
6.30
0.38
6.71
0.0094
0.2480
0.0150
0.2640
3.30
3.71
0.1299
0.1460
2.30 BSC
4.60 BSC
6.70
7.30
0.91 MIN
2.00 MAX
0.06 BSC
L1
L2
a
0.0906 BSC
0.1811 BSC
0o
0.2638
0.2874
0.0358 MIN
0.0787 MAX
0.0024 BSC
10o
0o
10o
15
AME, Inc.
1.5A CMOS LDO
AME8815
n Package Dimension
TO-252
Top View
1
2
Side View
SYMBOLS
A
B
C
D
E
F
G
H
J
K
L
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
* : 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.
Or
TO-252
Top View
1
2
3
Side View
SYMBOLS
A
B
C
D
E
F
G
H
J
K
L
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
* : 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.
16
www.ame.com.tw
E-Mail: [email protected]
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.
 AME, Inc. , January 2002
Document: 2013-DS8815-E
U.S. Headquarters
Corporate Headquarters
Analog Microelectronics, Inc.
AME, Inc.
3100 De La Cruz Blvd. Suite 201
Santa Clara, CA. 95054-2046
2F, 189 Kang-Chien Road, Nei-Hu District
Taipei 114, Taiwan, R.O.C.
Tel : (408) 988-2388
Fax: (408) 988-2489
Tel : 886 2 2627-8687
Fax : 886 2 2659-2989