Datasheet

High-Voltage, 2.2MHz, 2A Automotive Step-
Down Converter with Low Operating Current
MAX16974
_______________________________________________________________________________________ 7
Typical Operating Characteristics (continued)
(V
SUP
= V
SUPSW
= 14V, V
OUT
= 5V, FSYNC = GND, f
OSC
= 400kHz, T
A
= +25NC, unless otherwise noted. See Figure 1.)
OUTPUT RESPONSE TO SLOW INPUT RAMP UP
(5V/400kHz)
MAX16974 toc18
0
0
0
10V/div
5V/div
10V/div
5V/div
0
V
SUP
V
OUT
V
LX
10s/div
I
LOAD
= 2A
V
RES
OUTPUT RESPONSE TO SLOW INPUT RAMP DOWN
(5V/2.2MHz)
MAX16974 toc19
0
0
0
2V/div
2V/div
2V/div
V
SUP
V
OUT
V
LX
10s/div
DIPS AND DROP TEST
(5V/2.2MHz)
MAX16974 toc20
0
0
0
0
10V/div
5V/div
10V/div
2A/div
V
SUP
V
OUT
V
LX
I
LOAD
10ms/div