Datasheet

LTM4625
5
Rev D
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Start-Up with No Load Current
Short-Circuit with No Load
Applied
Start-Up with 5A Load Current
Short-Circuit with 5A Load
Applied
Steady-State Output Voltage
Ripple
Recovery from Short-Circuit with
No Load Applied
Start Into Pre-Biased Output
TYPICAL PERFORMANCE CHARACTERISTICS
V
OUT
0.5V/DIV
I
IN
2A/DIV
5ms/DIV
V
IN
= 12V
V
OUT
= 1.5V
INPUT CAPACITOR = 22µF SANYO ELECTROLYTIC
CAPACITOR + 22µF CERAMIC CAPACITOR
OUTPUT CAPACITOR = 47µF CERAMIC CAPACITOR
SOFT-START CAPACITOR = 0.1µF
4625 G09
V
OUT
0.5V/DIV
I
IN
2A/DIV
V
IN
= 12V
V
OUT
= 1.5V
INPUT CAPACITOR = 22µF SANYO ELECTROLYTIC
CAPACITOR + 22µF CERAMIC CAPACITOR
OUTPUT CAPACITOR = 47µF CERAMIC CAPACITOR
SOFT-START CAPACITOR = 0.1µF
4625 G10
5ms/DIV
I
IN
500mA/DIV
V
OUT
0.5V/DIV
V
IN
= 12V
V
OUT
= 1.5V
INPUT CAPACITOR = 22µF SANYO ELECTROLYTIC
CAPACITOR + 22µF CERAMIC CAPACITOR
OUTPUT CAPACITOR = 47µF CERAMIC CAPACITOR
4625 G11
20µs/DIV
I
IN
500mA/DIV
V
OUT
0.5V/DIV
V
IN
= 12V
V
OUT
= 1.5V
INPUT CAPACITOR = 22µF SANYO ELECTROLYTIC
CAPACITOR + 22µF CERAMIC CAPACITOR
OUTPUT CAPACITOR = 47µF CERAMIC CAPACITOR
50µs/DIV
4625 G12
V
OUT
5mV/DIV
AC-COUPLED
V
IN
= 12V
V
OUT
= 1.5V
INPUT CAPACITOR = 22µF SANYO ELECTROLYTIC
CAPACITOR + 22µF CERAMIC CAPACITOR
OUTPUT CAPACITOR = 47µF CERAMIC CAPACITOR
20MHz BW
4625 G14
1µs/DIV
I
IN
1A/DIV
V
OUT
0.5V/DIV
V
IN
= 12V
V
OUT
= 1.5V
INPUT CAPACITOR = 22µF SANYO ELECTROLYTIC
CAPACITOR + 22µF CERAMIC CAPACITOR
OUTPUT CAPACITOR = 47µF CERAMIC CAPACITOR
4625 G13
20µs/DIV
V
IN
5V/DIV
V
OUT
0.5V/DIV
V
IN
= 12V
V
OUT
= 1.5V WITH 0.75V PREBIASED VOLTAGE
INPUT CAPACITOR = 22µF SANYO ELECTROLYTIC
CAPACITOR + 22µF CERAMIC CAPACITOR
OUTPUT CAPACITOR = 47µF CERAMIC CAPACITOR
4625 G15
5ms/DIV
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