AME, Inc.
1
AME1117
1A Low Dropout
Positive Voltage Regulator
!
Typical Application
!
Functional Block Diagram
"
Low dropout voltage ----- 1.2V at 1A
"
Adjustable or fixed voltages 2.5V, 3.3V, 5.0V
"
Typical line regulation ----- 0.2%
"
Typical load regulation ----- 0.15%
"
Adjust pin current less than 90
A
"
Overcurrent protection
"
Thermal protection
"
Available in TO-220, TO-252, SOT-223
The AME1117 is a 1A low-dropout positive voltage regu-
lator. It is available in fixed and adjustable output voltage
versions. Overcurrent and thermal protection are inte-
grated onto the chip. Output current will limit as while it
reaches the pre-set current or temperature limit. The
dropout voltage is specified at 1.4V Maximum at full rated
output current. The AME1117 series provides excellent
regulation over line, load and temperature variations.
"
High Efficiency Linear Regulators
"
Post Regulators for Switching Supplies
"
5V to 3.3V Voltage Converter
"
Battery Charger
!
General Description
!
Features
!
Applications
* Input range depends on V
OUT
Please refer to electrical characteristics.
Thermal
Protection
Bandgap
Reference
Current
Limiting
Amplifier
Input
Output
ADJ/COM
Error
Amp.
AME1117
Load
10
F Tan
GND
V
OUT
4.75V to
7V
V
IN
10
F Tan
AME, Inc.
3
AME1117
1A Low Dropout
Positive Voltage Regulator
Part Number
Marking
Output Voltage Package Operating Temp. Range
AME1117ACGT
ABEyww
ADJ
SOT-223
0
o
C to 70
o
C
AME1117BCGT
AKEyww
2.5
SOT-223
0
o
C to 70
o
C
AME1117CCGT
ABFyww
3.3
SOT-223
0
o
C to 70
o
C
AME1117DCGT
AKFyww
5.0
SOT-223
0
o
C to 70
o
C
AME1117ACCT
AME1117
ACCT
yyww
ADJ
TO-252
(DPAK-2)
0
o
C to 70
o
C
AME1117BCCT
AME1117
BCCT
yyww
2.5
TO-252
(DPAK-2)
0
o
C to 70
o
C
AME1117CCCT
AME1117
CCCT
yyww
3.3
TO-252
(DPAK-2)
0
o
C to 70
o
C
AME1117DCCT
AME1117
DCCT
yyww
5.0
TO-252
(DPAK-2)
0
o
C to 70
o
C
AME1117ACBT
AME1117
ACBT
yyww
ADJ
TO-220
0
o
C to 70
o
C
AME1117BCBT
AME1117
BCBT
yyww
2.5
TO-220
0
o
C to 70
o
C
AME1117CCBT
AME1117
CCBT
yyww
3.3
TO-220
0
o
C to 70
o
C
AME1117DCBT
AME1117
DCBT
yyww
5.0
TO-220
0
o
C to 70
o
C
!
Ordering Information
Please consult AME sales office or authorized Rep./Distributor for other output voltage and package type availability.
AME, Inc.
4
1A Low Dropout
Positive Voltage Regulator
AME1117
Parameter
Symbol
Min
Typ Max
Units
T
J
= 25
o
C
4.950 5.000 5.050
Over Temp.
4.900 5.000 5.100
T
J
= 25
o
C
-
-
0.3
Over Temp.
-
-
0.4
T
J
= 25
o
C
-
0.05
0.3
Over Temp.
-
0.2
0.4
T
J
= 25
o
C
-
1.2
1.4
Over Temp.
-
1.3
-
Current limit
I
S
1.0
-
-
A
Quiescent Current
I
Q
-
6
13
mA
Temp. coefficient
T
C
-
0.005
-
%/C
Temperature stability
T
S
-
0.5
-
%
RMS output noise
V
N
-
0.003
-
%V
O
Ripple rejection ratio
R
A
60
72
-
dB
Test Condition
Output voltage
V
O
V
IN
= 7V, I
O
= 0A
V
Line regulation
Reg
LINE
V
IN
= 7~9V,
I
O
= 0A
%
Load regulation
Reg
LOAD
V
IN
= 7V,
I
O
= 0A~1A
Dropout voltage
V
D
I
O
= 0A~1A,
Vo =
1%
V
V
IN
= 7~10V, Over Temp.
V
IN
= 7V, I
O
= 0A~1A, Over Temp.
V
IN
= 7~10V, I
O
= 0A~1A
V
IN
= 7V, I
O
= 100mA, Over Temp.
T
J
= 25
o
C
V
IN
= 7V, I
O
= 1A, Over Temp.
AME1117Dxxx
!
Electrical Specifications
!
Absolute Maximum Ratings
Caution: Stress above the listed absolute maximum rating may cause permanent damage to the device
Symbol
Maximum
Unit
V
IN
7
V
TO-220
2.5
TO-252
5
SOT-223
15
TO-220
50
TO-252
90
SOT-223
160
TO-220
3000
TO-252
1200
mW
SOT-223
625
Operating Junction Temperature Range
T
J
0 to 125
T
STG
- 65 to 150
T
LEAD
260
o
C/W
Thermal Resistance
(Junction to Ambient)
JA
o
C
Storage Temperature Range
Lead Temperature (10 Sec)
Internal Power Dissipation
(
T = 100
o
C)
P
D
Parameter
Input Voltage
Thermal Resistance
(Junction to Case)
JC
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