MAX1971 Ver la hoja de datos (PDF) - Maxim Integrated

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MAX1971

Dual, 180° Out-of-Phase, 1.4MHz, 750mA Step-Down Regulator with POR and RSI/PFO

Maxim Integrated 

Dual, 180° Out-of-Phase, 1.4MHz, 750mA Step-

Down Regulator with POR and RSI/PFO

(TA = +25°C, unless otherwise noted.)

Typical Operating Characteristics (continued)

RSI AND POR TIMING

MAX1970TOC13

PFO AND RISING INPUT VOLTAGE

VIN

VRSI

2V/div

VPOR

PF0

40ms/div

VIN = 5V

VOUT1 = 1.8V, VOUT2 = 2.5V

IOUT1 = 500mA, IOUT2 = 500mA

4ms/div

VOUT1 = 1.8V, VOUT2 = 2.5V

4V

0

2V/div

4V

0

PFO AND FALLING INPUT VOLTAGE

VIN

PF0

4ms/div

VOUT1 = 1.8V, VOUT2 = 2.5V

4V

0

2V/div

4V

0

ENABLE RESPONSE

POR

EN

VOUT1

VOUT2

5ms/div

MAX1970

VIN = 5V

VOUT1 = 3.3V, VOUT2 = 2.5V

IOUT1 = 375mA, IOUT2 = 375mA

5V/div

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