GM1117S
1A LOW DROPOUT
PRECISION VOLTAGE REGULATOR
Typical Performance Characteristics
0.10
0.08
0.06
0.04
0.02
0.00
-0.02
-0.04
-0.06
-0.08
TCASE = 0°C
0.95
0.90
0.85
0.80
0.75
TCASE = 25°C
TCASE = 125°C
-
0.10
0.12
-
0
20
40
60
80
100
120
200
400
600
800
1000
0
IOUT (mA)
Figure 1. Dropout Voltage vs. Output Current
TJ (°C)
Figure 2. Reference Voltage vs. Temperature
85
75
65
55
45
35
25
70
IO = 10mA
65
60
55
50
45
40
TCASE
= 125°C
IO = 10mA
V
IN = VOUT + 3V
VRIPPLE = 1.0VP-P
CADJ = 0.1µF
15
101
102
103
104
105
106
Frequency (Hz)
10 20 30 40 50 60 70 80 90 100 110 120 130
0
Temperature (°C)
Figure 4. Ripple Rejection vs. Frequency
Figure 3. Adjust Pin Current vs. Temperature
300
200
100
0
3.5
3.3
3.1
2.9
2.7
2.5
2.3
2.1
-100
-200
1000
= 3.3V
COUT CIN
CAdj = 0.1µF
VOUT
=
= 22µF, Tantalum
1.9
1.7
1.5
500
0
0
1.5
2.0
2.5
3.0
3.5
4.0
VIN – VOUT (V)
1.0
1
2
3
4
5
6
7
8
9
10
Time (µs)
Figure 6. Short Circuit Current vs. VIN -VOUT
Figure 5. Transient Response
9
6