LT1038C Ver la hoja de datos (PDF) - Linear Technology
Número de pieza
componentes Descripción
fabricante
LT1038C Datasheet PDF : 8 Pages
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LT1038
TYPICAL PERFOR A CE CHARACTERISTICS
Ripple Rejection
100
CADJ = 10µF
80
VIN = 15V
VOUT = 10V
IOUT = 1A
60
CADJ = 0µF
40
20
0
10 100 1k 10k 100k 1M
FREQUENCY (Hz)
1038 G07
Current Limit
28
VIN = 10V
24
VOUT = 5V
TCASE = 25°C
20
PRELOAD = 10A
16
PRELOAD = 0A
12
8
4
0
0.1
1
10
TIME (ms)
100
LTXXX GXX
Ripple Rejection
80
CADJ = 10µF
70
60
CADJ = 0µF
50 VIN = 15V
VOUT = 10V
f = 120Hz
TCASE = 25°C
40
0.1
1
OUTPUT CURRENT (A)
10
1038 G08
Current Limit
28
PRELOAD CURRENT = 0A
24
TCASE = 25°C
20
VIN – VOUT = 10V
16
12
VIN – VOUT = 15V
8
VIN – VOUT = 20V
4
VIN – VOUT = 30V
0
0.1
1
10
100
TIME (ms)
Load Transient Response
1038 G11
3
VIN = 15V
2 VOUT = 10V
1 TCASE = 25°C
PRELOAD = 200mA
0
–1
CL = 0µF; CADJ = 0µF
–2
CL = 1µF; CADJ = 10µF
–3
6
4
2
0
0
10
20
30
40
TIME (µs)
1038 G13
Current Limit
32
PEAK CURRENT LIMIT
DC CURRENT LIMIT
TCASE = 25°C
24
PRELOAD = 0A
PRELOAD = 10A
16
PRELOAD = 2A
8
0
0
10
20
30
40
INPUT-OUTPUT DIFFERENTIAL (V)
1195 G20
Line Transient Response
1.5
VOUT = 10V
1.0
IOUT = 100mA
Tj = 25°C
0.5
CL = 1µF; CL = 10µF
0
– 0.5
–1.0
COUT = 0A
CADJ = 0A
–1.5
1.0
0.5
0
0
10
20
30
40
TIME (µs)
1038 G12
4
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