Datasheet

40ms/div
2V/div
MAX1970TOC13
V
IN
= 5V
V
OUT1
= 1.8V, V
OUT2
= 2.5V
I
OUT1
= 500mA, I
OUT2
= 500mA
RSI AND POR TIMING
V
RSI
V
POR
Typical Operating Characteristics (continued)
(T
A
= +25°C, unless otherwise noted.)
4V
4V
0
0
4ms/div
2V/div
MAX1970TOC14
V
OUT1
= 1.8V, V
OUT2
= 2.5V
V
IN
PF0
PFO AND RISING INPUT VOLTAGE
4V
4V
0
0
4ms/div
2V/div
MAX1970TOC15
V
OUT1
= 1.8V, V
OUT2
= 2.5V
V
IN
PF0
PFO AND FALLING INPUT VOLTAGE
5ms/div
5V/div
MAX1970TOC16
MAX1970
V
IN
= 5V
V
OUT1
= 3.3V, V
OUT2
= 2.5V
I
OUT1
= 375mA, I
OUT2
= 375mA
EN
V
OUT1
POR
ENABLE RESPONSE
V
OUT2
MAX1970/MAX1971/MAX1972
Dual, 180° Out-of-Phase, 1.4MHz, 750mA Step-
Down Regulator with POR and RSI/PFO
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