LT1038 Datasheet, PDF (4/8 Pages) Linear Technology – 10Amp Positive Adjustable Voltage Regulator

LT1038
TYPICAL PERFOR A CE CHARACTERISTICS
Ripple Rejection
100
C_ADJ = 10µF
80
V_IN = 15V
V_OUT = 10V
I_OUT = 1A
60
C_ADJ = 0µF
40
20
0
10 100 1k 10k 100k 1M
FREQUENCY (Hz)
1038 G07
Current Limit
28
V_IN = 10V
24
V_OUT = 5V
T_CASE = 25°C
20
PRELOAD = 10A
16
PRELOAD = 0A
12
8
4
0
0.1
1
10
TIME (ms)
100
LTXXX GXX
Ripple Rejection
80
C_ADJ = 10µF
70
60
C_ADJ = 0µF
50 _{VIN = 15V}
V_OUT = 10V
f = 120Hz
T_CASE = 25°C
40
0.1
1
OUTPUT CURRENT (A)
10
1038 G08
Current Limit
28
PRELOAD CURRENT = 0A
24
T_CASE = 25°C
20
V_IN – V_OUT = 10V
16
12
V_IN – V_OUT = 15V
8
V_IN – V_OUT = 20V
4
V_IN – V_OUT = 30V
0
0.1
1
10
100
TIME (ms)
Load Transient Response
1038 G11
3
V_IN = 15V
2 _{VOUT = 10V}
1 ^{TCASE = 25°C}
PRELOAD = 200mA
0
–1
C_L = 0µF; C_ADJ = 0µF
–2
C_L = 1µF; C_ADJ = 10µF
–3
6
4
2
0
0
10
20
30
40
TIME (µs)
1038 G13
Current Limit
32
PEAK CURRENT LIMIT
DC CURRENT LIMIT
T_CASE = 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
V_OUT = 10V
1.0
I_OUT = 100mA
T_j = 25°C
0.5
C_L = 1µF; C_L = 10µF
0
– 0.5
–1.0
C_OUT = 0A
C_ADJ = 0A
–1.5
1.0
0.5
0
0
10
20
30
40
TIME (µs)
1038 G12
4