Datasheet

MAX16907
36V, 2.2MHz Step-Down Converter
with Low Operating Current
6Maxim Integrated
Typical Operating Characteristics (continued)
(V
SUP
= V
SUPSW
= V
EN
= 14V, V
OUT
= 5V, FB connected to V
OUT
, L1 = 2.2µH (Wurth 744311220), D1 = D360B-13-F (Diodes, Inc.),
T
A
= +25NC, unless otherwise noted.)
OUTPUT RESPONSE TO SLOW INPUT
RAMP (ILOAD = 3A)
MAX16907 toc13
V
IN
V
OUT
V
LX
I
LOAD
5V/div
10V/div
5A/div
10V/div
0A
0V
0V
0V
4s/div
5V/2.2MHz
SUP SHORTED TO SUPSW
LOAD DUMP TEST
(5V/2.2MHz)
MAX16907 toc12
V
IN
V
OUT
10V/div
5V/div
0V
0V
100ms/div
SUP SHORTED TO SUPSW
UNDERVOLTAGE PULSE
(5V/2.2MHz)
MAX16907 toc11
V
IN
V
OUT
V
LX
V
BIAS
5V/div
5V/div
5V/div
20V/div
0V
0V
0V
0V
10ms/div
RESISTIVE LOAD = 1.6I
FSYNC TRANSITION FROM INTERNAL TO EXTERNAL FREQUENCY
(3.3V/2.2MHz CONFIGURATION)
MAX16907 toc10
V
LX
V
FSYNC
5V/div
2V/div
0V
0V
200ns/div
f
FSYNC
= 2.475MHz
LOAD-TRANSIENT RESPONSE
(SKIP MODE)
MAX16907 toc09
V
OUT
AC-COUPLED
I
LOAD
50mV/div
100mA/div
0
100µs/div
5V/2.2MHz
LOAD-TRANSIENT RESPONSE
(5V/2.2MHz)
MAX16907 toc08
V
OUT
AC-COUPLED
I
LOAD
200mV/div
1A/div
0A
100µs/div