ltm4601ahv Linear Technology Corporation, ltm4601ahv Datasheet - Page 6

• Manufacturer Part Number: ltm4601ahv
• Description: 12a, 28vin Dc/dc ?module With Pll, Output Tracking And Margining
• Manufacturer: Linear Technology Corporation

LTM4601AHV
TYPICAL PERFORMANCE CHARACTERISTICS
10A LOAD
6
NO LOAD
Start-Up, T
V
V
C
SOFT-START = 10nF
IN
OUT
OUT
= 12V
= 1.5V
= 470μF , 3x 22μF
5.5
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
0.5V/DIV
0
V
1A/DIV
IN
V
2
A
OUT
I
to V
IN
= –55°C
4
10ms/DIV
Short-Circuit Protection, I
V
V
C
SOFT-START = 10nF
IN
OUT
OUT
6
OUT
= 12V
8
INPUT VOLTAGE (V)
= 1.5V
= 470μF , 3x 22μF
10
Step-Down Ratio
12 14
16
50μs/DIV
4601AHV G16
18
20 22
4601AHV G11
24
26
OUT
0.5V/DIV
0.5A/DIV
28
V
4601AHV G13
OUT
= 0A
I
IN
Start-Up, I
V
V
C
SOFT-START = 10nF
IN
OUT
OUT
= 12V
3.3V OUTPUT WITH
130k FROM V
TO f
5V OUTPUT WITH
100k RESISTOR
ADDED FROM f
TO GND
5V OUTPUT WITH
NO RESISTOR ADDED
FROM f
2.5V OUTPUT
1.8V OUTPUT
1.5V OUTPUT
1.2V OUTPUT
= 1.5V
= 470μF , 3x 22μF
SET
SET
OUT
TO GND
OUT
= 0A
5ms/DIV
SET
0.5V/DIV
1A/DIV
V
OUT
I
IN
Short-Circuit Protection, I
V
V
C
3x 22μF
SOFT-START = 10nF
IN
OUT
OUT
(See Figures 19 and 20 for all curves)
TRACK/SS
4601AHV G09
0.5V/DIV
0.5V/DIV
= 12V
= 1.5V
= 470μF
1V/DIV
V
OUT
V
FB
V
V
C
SOFT-START = 10nF
Track, I
IN
OUT
OUT
= 12V
0.5V/DIV
50μs/DIV
= 1.5V
= 470μF , 3x 22μF
1A/DIV
V
OUT
OUT
I
IN
Start-Up, I
(Resistive Load)
V
V
C
SOFT-START = 10nF
IN
OUT
OUT
= 12A
= 12V
2ms/DIV
= 1.5V
= 470μF , 3x 22 F
OUT
4601AHV G14
= 12A
OUT
2ms/DIV
= 12A
4601AHV G12
4601ahvf
4601AHV G10