LTM4614 Datasheet, PDF (5/20 Pages) Linear Technology – Dual 4A per Channel Low VIN DC/DC μModule Regulator

TYPICAL PERFORMANCE CHARACTERISTICS
LTM4614
Start-Up
Start-Up
V_OUT
1V/DIV
I_IN
1A/DIV
V_OUT
1V/DIV
I_IN
1A/DIV
V_IN = 5V
V_OUT = 2.5V
C_OUT = 100μF
NO LOAD
200μs/DIV
(0.01μF SOFT-START CAPACITOR)
4614 G10
V_IN = 5V
V_OUT = 2.5V
C_OUT = 100μF
4A LOAD
200μs/DIV
(0.01μF SOFT-START CAPACITOR)
Current Limit Foldback
1.6
1.4
1.2
1.0
0.8
0.6
0.4 VOUT = 1.5V
V_IN = 5V
0.2
V_IN = 3.3V
V_IN = 2.5V
0
3
4
5
6
7
8
OUTPUT CURRENT (A)
4614 G13
Short-Circuit Protection
1.5V Short, No Load
V_OUT
0.5V/DIV
I_IN
4A/DIV
20μs/DIV
V_FB vs Temperature
806
804
802
800
798
4614 G11
796
794
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
4614 G12
Short-Circuit Protection
1.5V Short, 4A Load
V_OUT
0.5V/DIV
I_IN
1A/DIV
4614 G14
100μs/DIV
4614 G15
4614fa
5