Datasheet

MAX16936
36V, 220kHz to 2.2MHz Step-Down Converter
with 28µA Quiescent Current
6Maxim Integrated
Typical Operating Characteristics (continued)
(V
SUP
= V
SUPSW
= 14V, V
EN
= 14V, V
OUT
= 5V, V
FYSNC
= 0V, R
FOSC
= 12kI, T
A
= +25NC, unless otherwise noted.)
DIPS AND DROPS TEST
MAX16936 toc18
V
IN
V
OUT
V
LX
V
PGOOD
5V/2.2MHz
10ms
10V/div
0V
0V
5V/div
10V/div
0V
0V
5V/div
SYNC FUNCTION
MAX16936 toc17
V
LX
V
FSYNC
200ns
5V/div
2V/div
SLOW V
IN
RAMP BEHAVIOR
MAX16936 toc16
V
IN
V
OUT
I
LOAD
V
PGOOD
4s
10V/div
0V
0V
5V/div
5V/div
0V
0A
2A/div
SLOW V
IN
RAMP BEHAVIOR
MAX16936 toc15
V
IN
V
OUT
I
LOAD
V
PGOOD
4s
10V/div
0V
0V
5V/div
5V/div
0V
0A
2A/div
FULL-LOAD STARTUP BEHAVIOR
MAX16936 toc14
V
IN
10V/div
0V
5V/div
0V
1A/div
0V
0A
5V/div
V
OUT
I
LOAD
V
PGOOD
2ms
V
OUT
vs. V
IN
MAX16936 toc13
V
IN
(V)
V
OUT
(V)
30241812
4.97
4.99
5.01
5.03
5.05
4.95
63
6
5V/400kHz
PWM MODE
I
LOAD
= 0A
V
OUT
vs. V
IN
MAX16936 toc12
V
IN
(V)
V
OUT
(V)
3630241812
4.92
4.94
4.96
4.98
5.00
5.02
5.04
5.06
5.08
4.90
64
2
5V/2.2MHz
PWM MODE
I
LOAD
= 0A
V
BIAS
vs. TEMPERATURE
MAX16936 toc11
TEMPERATURE (°C)
V
BIAS
(V)
1109565 80-10 5 20 35 50-25
4.91
4.92
4.93
4.94
4.95
4.96
4.97
4.98
4.99
5.00
5.01
5.02
4.90
-40 125
I
LOAD
= 0A
V
IN
= 14V,
PWM MODE
SHDN CURRENT vs. SUPPLY VOLTAGE
MAX16936 toc10
SUPPLY VOLTAGE (V)
SUPPLY CURRENT (µA)
30241812
1
2
3
4
5
6
7
8
9
10
0
63
6
5V/2.2MHz
SKIP MODE