Datasheet

LTM4601/LTM4601-1
6
4601fd
For more information www.linear.com/LTM4601
Start-Up, I
OUT
= 12A
(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
= 12A
Track, I
OUT
= 12A
Typical perForMance characTerisTics
(See Figure 18 for all curves)
V
OUT
0.5V/DIV
5ms/DIV
4601 G09
I
IN
0.5A/DIV
V
IN
= 12V
V
OUT
= 1.5V
C
OUT
= 470µF, 3 × 22µF
SOFT-START = 10nF
V
OUT
0.5V/DIV
2ms/DIV
4601 G10
I
IN
1A/DIV
V
IN
= 12V
V
OUT
= 1.5V
C
OUT
= 470µF, 3 × 22µF
SOFT-START = 10nF
INPUT VOLTAGE (V)
0
OUTPUT VOLTAGE (V)
3.0
4.0
5.5
5.0
16
4601 G11
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
130k FROM V
OUT
TO I
ON
5V OUTPUT WITH
100k 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
V
OUT
0.5V/DIV
50µs/DIV
4601 G13
I
IN
1A/DIV
V
IN
= 12V
V
OUT
= 1.5V
C
OUT
= 470µF, 3 × 22µF
SOFT-START = 10nF
V
FB
0.5V/DIV
TRACK/SS
0.5V/DIV
2ms/DIV
4601 G12
V
OUT
1V/DIV
V
IN
= 12V
V
OUT
= 1.5V
C
OUT
= 470µF, 3 × 22µF
SOFT-START = 10nF
V
OUT
0.5V/DIV
50µs/DIV
4601 G14
I
IN
1A/DIV
V
IN
= 12V
V
OUT
= 1.5V
C
OUT
= 470µF, 3 × 22µF
SOFT-START = 10nF