Datasheet

LTM4603/LTM4603-1
6
4603fb
Start-Up, I
OUT
= 6A
(Resistive Load)
Start-Up, I
OUT
= 0A
V
IN
to V
OUT
Step-Down Ratio
Short-Circuit Protection,
I
OUT
= 0A
Short-Circuit Protection,
I
OUT
= 6A
V
OUT
0.5V/DIV
I
IN
0.5A/DIV
1ms/DIV
4603 G09
V
IN
= 12V
V
OUT
= 1.5V
C
OUT
= 1× 22µF, 6.3V CERAMIC
1× 330µF, 4V SANYO POSCAP
SOFT-START = 3.9nF
V
OUT
0.5V/DIV
I
IN
0.5A/DIV
1ms/DIV
4603 G10
V
IN
= 12V
V
OUT
= 1.5V
C
OUT
= 1× 22µF, 6.3V CERAMIC
1× 330µF, 4V SANYO POSCAP
SOFT-START = 3.9nF
V
OUT
0.5V/DIV
I
IN
2A/DIV
100µs/DIV
4603 G11
V
IN
= 12V
V
OUT
= 1.5V
C
OUT
= 1× 22µF, 6.3V CERAMIC
1× 330µF, 4V SANYO POSCAP
SOFT-START = 3.9nF
V
OUT
0.5V/DIV
I
IN
2A/DIV
100µs/DIV
4603 G12
V
IN
= 12V
V
OUT
= 1.5V
C
OUT
= 1× 22µF, 6.3V CERAMIC
1× 330µF, 4V SANYO POSCAP
SOFT-START = 3.9nF
INPUT VOLTAGE (V)
0
OUTPUT VOLTAGE (V)
3.0
4.0
5.5
5.0
16
4603 G13
2.0
1.0
2.5
3.5
4.5
1.5
0.5
0
42
86
12 14 18
10
20
3.3V OUTPUT WITH
82.5k FROM V
OUT
TO f
SET
5V OUTPUT WITH
150k RESISTOR
ADDED FROM f
SET
TO GND
5V OUTPUT WITH
NO RESISTOR ADDED
FROM f
SET
TO GND
2.5V OUTPUT
1.8V OUTPUT
1.5V OUTPUT
1.2V OUTPUT
typical perForMance characteristics
(See Figure 18 for all curves)