GM1117-1.5 Просмотр технического описания (PDF) - Gamma Microelectronics Inc.
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GM1117-1.5 Datasheet PDF : 13 Pages
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AA
MICROELECTRONICS
Power Management
GM1117
1.0A LOW DROPOUT PRECISION LINEAR REGULATORS
Typical Performance Characteristics
1.00
0.95
0.90
TCASE = 0°C
TCASE = 25°C
0.85
TCASE = 125°C
0.80
0.75
0
200
400 600 800 1000
IOUT(mA)
Figure 3. Dropout Voltage vs. Output Current
70
65 IO = 10mA
60
55
50
45
40
0 10 20 30 40 50 60 70 80 90 100 110 120 130
Temperature (°C)
Figure 5. Adjust Pin Current vs. Temperature
300
200
100
0
-100
-200
1000
VOUT = 3.3V
COUT = CIN = 22µF Tantalum
CAdj =0.1µF
500
0
0 1 2 3 4 5 6 7 8 9 10
Time(µS)
Figure 7. Transient Response
0.10
0.08
0.06
0.04
0.02
0.00
-0.02
-0.04
-0.06
-0.08
-0.10
-0.12
0 10 20 30 40 50 60 70 80 90 100 110 120 130
TJ (°C)
Figure 4. Reference Voltage vs. Temperature
85
75
65
55
45
TCASE = 25°C
35 IOUT = 1.0A
(VIN - VOUT) = 3.0V
25 VRIPPLE = 1.0VP-P
Cadj =0.1µF
15101
102
103
104
Frequency(Hz)
105
106
Figure 6. Ripple Rejection vs. Frequency
3.5
3.3
3.1
2.9
2.7
2.5
2.3
2.1
1.9
1.7
1.5
1.0 1.5 2.0 2.5 3.0 3.5 4.0
VIN - VOUT(V)
Figure 8. Short Circuit Current vs. VIN-VOUT
9
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