DATA SHEET
PS1117
1.0A LOW DROPOUT POSITIVE VOLTAGE REGULATOR
DESCRIPTION
The PS1117 series of positive adjustable and fixed regulators are designed to provide 1A with high
efficiency. All internal circuitry is designed to operate down to 1.3V input to output differential. On-chip
trimming adjusts the reference voltage to 1%.
FEATURES
Adjustable or Fixed Output
Output Current of 1A
Low Dropout, 1.5V max at 1A Output Current
0.04% Line Regulation
0.2 % Load Regulation
100% Thermal Limit Burn-In
Fast Transient Response
Lead Free And Halogen-Free
PIN CONFIGURATION
PIN CONFIGURATION
1
ADJ/GND
2
OUTPUT
SOT-223
INPUT
TO-263
2
TO-220
2
3
2
3
TO-252
1
1
3
1
3
1
23
PAGE.1
ORDERING INFORMATION
Part Number
PS1117-X.X-T43
PS1117-X.X-TC2
PS1117-X.X-TC2R
PS1117-X.X-TA2
PS1117-X.X-TA2R
PS1117-X.X-TB3
Package
SOT-223
TO-252
TO-252
TO-263
TO-263
TO-220
Shipping
Tape Reel
Tube
Tape Reel
Tube
Tape Reel
Tube
Marking Information:
AMS1117
SXX *****
Marking Code: AMS1117
Output Voltage Code: XX EX: 5.0V, XX=50
Date Code: ***** INNER CODE
SCHEMATIC DIAGRAM
PAGE.2
TYPICAL APPLICATION
ABSOLUTE MAXIMUM RATINGS
(TA=25°C,unless otherwise specified.)
PARAMETER SYMBOL
RATING
UNIT
Input-to-output Differential Voltage, VIN-VOUT
VIN
15
V
Power Dissipation
PD
Internal limited
W
Operating Junction Temperature Range
TOPR
-20 ~ +125
°C
Storage Temperature Range
TSTG
-65 ~ +150
°C
Lead Temperature (Soldering 10 sec)
TLEAD
300
°C
Note: Absolute Maximum Ratings are stress ratings only and functional device operation is not implied.
The device could be permanently damaged beyond absolute maximum ratings.
PAGE.3
ELECTRICAL CHARACTERISTICS
ILOAD = 0mA and TJ = 25°C (unless otherwise noted)
PARAMETER TEST
CONDITIONS
Reference Voltage
(Note.1)
Output Voltage
(Note.1)
VIN =5V, ILOAD = 10mA
VIN – VOUT = 1.5V~10V,
ILOAD = 10mA~1A
VIN – VOUT = 1.5V,
Variation from nominal VOUT
Line Regulation
(Note.1)
Load Regulation
(Note.1)
VIN – VOUT = 1.5V~10V
ILOAD = 0mA~1A,
Variation from nominal VOUT
ILOAD = 10mA,
VIN – VOUT = 1.5V ~ 10V
VIN – VOUT = 1.5V
ILOAD = 10mA ~ 1A
Minimum Load Current
MIN
TYP
MAX UNIT
1.238
1.25
1.262
1.225
1.25
1.275
-1
-
+1
V
%
-2
-
+2
-
0.04
0.2
%
-
0.2
0.4
VIN =5V, VADJ = 0V
-
3
7
mA
Ground Pin Current
VIN – VOUT = 1.5V
ILOAD = 10mA ~ 1A
-
7
10
mA
Adjust Pin Current
VIN – VOUT = 1.5V ~ 10V
ILOAD = 10mA
-
40
90
uA
Current Limit
VIN – VOUT = 1.5V
1
1.4
-
A
Ripple Rejection
(Note.2)
Dropout Voltage
(Note.1,3)
VIN – VOUT = 3V
ILOAD = 1A
60
65
-
dB
-
1.3
1.5
V
ILOAD = 1A
VIN – VOUT = 1.5V,
0.005
%/°C
ILOAD = 10mA
The * denotes the specifications which apply over the full temperature range (see previous table, TJ)
Notes:
1: Low duty pulse testing with Kelvin connections required.
2: 120Hz input ripple (CADJ for ADJ = 25μF, COUT = 25μF)
3: ΔVOUT, ΔVREF = 1%
Temperature Coefficient
PAGE.4
SOT-223 DIMENSION
Symbol
L
L1
W
W1
E
E1
H
H1
D
T
θ
Dimensions In Millimeters
Min
Max
6.30
6.71
2.90
3.15
6.70
7.30
3.33
3.71
2.30 BSC
0.60
0.84
1.52
1.80
1.50
1.70
0.90
1.15
0.25
0.35
0∘
10∘
Dimensions In Inches
Min
Max
0.248
0.264
0.114
0.124
0.264
0.287
0.131
0.146
0.091 BSC
0.024
0.033
0.060
0.071
0.059
0.067
0.035
0.045
0.010
0.014
0∘
10∘
PAGE.5
TO-252(DPAK) DIMENSION
Symbol
L
L1
D
D1
W
W1
E
E1
H
H1
H2
T
Dimensions In Millimeters
Min
Max
8.00
10.00
5.30
5.70
0.77
1.60
0.51
1.78
6.30
6.80
4.45
5.50
2.3 Nominal
0.97
2.03
2.53
0.40
1.01
1.30
1.80
0.43
0.60
Dimensions In Inches
Min
Max
0.315
0.394
0.209
0.224
0.030
0.063
0.020
0.070
0.248
0.268
0.175
0.217
0.091 Nominal
0.038
0.080
0.100
0.016
0.040
0.051
0.071
0.017
0.024
PAGE.6
TO-263 DIMENSION
Symbol
L
L1
D
D1
W
E1
E
H
H1
H2
T
Dimensions In Millimeters
Min
Max
14.60
15.88
8.25
9.25
1.14
1.40
2.29
2.79
9.65
10.69
2.29
2.79
0.51
1.14
4.37
4.83
1.40
1.41
2.03
2.92
0.30
0.64
Dimensions In Inches
Min
Max
0.575
0.625
0.325
0.364
0.045
0.055
0.090
0.110
0.380
0.421
0.090
0.110
0.020
0.045
0.172
0.190
0.055
0.056
0.080
0.115
0.012
0.025
PAGE.7
TO-220 DIMENSION
Symbol
L
L1
L2
L3
W
W1
W2
H
H1
T
φ
Dimensions In Millimeters
Min
Max
9.65
10.67
1.14
1.78
0.50
1.15
2.28
2.80
14.22
16.51
12.70
14.74
5.58
7.49
2.03
4.83
0.50
1.40
0.30
1.15
0.36
0.64
Dimensions In Inches
Min
Max
0.380
0.420
0.045
0.070
0.020
0.045
0.090
0.110
0.560
0.650
0.500
0.580
0.220
0.295
0.080
0.190
0.020
0.055
0.012
0.045
0.014
0.025
PAGE.8
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