Datasheet

Maxim Integrated | 6www.maximintegrated.com
MAX16952
36V, 2.2MHz Step-Down Controller
with Low Operating Current
LOAD TRANSIENT (PWM MODE)
MAX16952 toc08
500mV/div
2A/div
0A
V
OUT
(AC-COUPLED)
I
LOAD
100µs/div
2.2MHz/5V
LOAD TRANSIENT (PWM MODE)
MAX16952 toc09
200mV/div
2A/div
0A
V
OUT
(AC-COUPLED)
I
LOAD
100µs/div
2.2MHz/3.3V
SYNCHRONIZATION WITH
EXTERNAL SIGNAL AT FSYNC
MAX16952 toc10
10V/div
2V/div
0V
0V
V
LX
V
FSYNC
(EXTERNAL
SIGNAL
AT FSYNC)
400ns/div
COLD CRANK TEST (PWM MODE)
MAX16952 toc11
5V/div
0V
0V
0V
0A
5V/div
5V/div
5V/div
V
SUP
V
OUT
I
LOAD
V
PGOOD
10ms/div
2.2MHz/5V
LOAD DUMP TEST (SKIP MODE)
MAX16952 toc12
20V/div
0V
0V
0V
5V/div
5V/div
V
SUP
V
OUT
V
PGOOD
100ms/div
2.2MHz/5V
LOAD DUMP TEST (PWM MODE)
MAX16952 toc13
20V/div
0V
0V
0V
2V/div
5V/div
V
SUP
V
OUT
V
PGOOD
100ms/div
2.2MHz/5V
Typical Operating Characteristics (continued)
(V
SUP
= V
EN
= 14V, C
IN
= 47μF, C
OUT
= 94μF, C
BIAS
= 2.2μF, C
BST
= 0.1μF, R
FOSC
= 13kΩ, V
FB
= V
BIAS
, R
BST
= 75Ω, T
A
= +25°C,
unless otherwise noted.)