Datasheet

LTM4616
6
4616ff
For more information www.linear.com/LTM4616
TEMPERATURE (°C)
–50
V
FB
(mV)
592
594
596
25
75 100
4616 G14
590
–25 0 50
598
600
602
125
V
IN
= 5.5V
V
IN
= 3.3V
V
IN
= 2.7V
Start-Up V
FB
vs Temperature Load Regulation vs Current
2.5V Output Current
Short-Circuit Protection
(2.5V Short, No Load)
V
OUT
0.5V/DIV
V
IN
2V/DIV
50µs/DIVV
IN
= 5V
V
OUT
= 1.5V
C
OUT
= 100µF NO LOAD AND 8A LOAD
(DEFAULT 100µs SOFT-START)
4616 G13
LOAD CURRENT (A)
0
–0.6
LOAD REGULATION (%)
–0.5
–0.2
–0.3
–0.1
0
2 4
–0.4
6 8
4616 G15
FC MODE
V
IN
= 3.3V
V
OUT
= 1.5V
Short-Circuit Protection
(2.5V Short, 4A Load)
OUTPUT CURRENT (A)
0
0
OUTPUT VOLTAGE (V)
0.5
1.0
1.5
2.0
2.5
3.0
5 10 15 20
4616 G16
2V/DIV
2V/DIV
5A/DIV
50µs/DIV
4616 G17
V
OUT
V
IN
I
OUT
V
IN
= 5V
V
OUT
= 2.5V
5V/DIV
5V/DIV
5A/DIV
50µs/DIV
4616 G18
V
OUT
V
IN
I
OUT
LOAD
V
IN
= 5V
V
OUT
= 2.5V
typical perForMance characteristics
Specified as Each Channel
Load Transient Response Load Transient Response Load Transient Response
I
LOAD
1A/DIV
V
OUT
50mV/DIV
20µs/DIVV
IN
= 5V
V
OUT
= 1.8V
2.5A/µs STEP
C
OUT
= 2 × 100µF X5R, 470µF 4V POSCAP
4616 G10
0A
I
LOAD
1A/DIV
V
OUT
50mV/DIV
20µs/DIVV
IN
= 5V
V
OUT
= 1.5V
2.5A/µs STEP
C
OUT
= 2 × 100µF X5R, 470µF 4V POSCAP
4616 G11
0A
I
LOAD
1A/DIV
V
OUT
50mV/DIV
20µs/DIVV
IN
= 5V
V
OUT
= 1.2V
2.5A/µs STEP
C
OUT
= 2 × 100µF X5R, 470µF POSCAP
4616 G12
0A