MAX5072ETJ 查看數據表（PDF） - Maxim Integrated

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MAX5072ETJ

2.2MHz, Dual-Output Buck or Boost Converter with POR and Power-Fail Output

Maxim Integrated 

2.2MHz, Dual-Output Buck or Boost

Converter with POR and Power-Fail Output

Typical Operating Characteristics (continued)

(V+ = VL = 5.2V, TA = +25°C, unless otherwise noted.)

LINE-TRANSIENT RESPONSE

(BUCK CONVERTER)

MAX5072 toc10

VIN

5V/div

0V

CONVERTER 1 LOAD-TRANSIENT RESPONSE

(BUCK CONVERTER)

MAX5072 toc11

CONVERTER 2 LOAD-TRANSIENT RESPONSE

(BUCK CONVERTER)

MAX5072 toc12

VOUT1 = 3.3V

AC-COUPLED

400mV/div

VOUT1 = 3.3V

AC-COUPLED

200mV/div

VOUT2 = 2.5V

AC-COUPLED

100mV/div

VOUT1 = 3.3V/1.5A

AC-COUPLED

200mV/div

VOUT2 = 2.5V/0.75A

AC-COUPLED

200mV/div

IOUT1

1A/div

0A

IOUT2

500mA/div

0A

1ms/div

100µs/div

100µs/div

SOFT-START/SOFT-STOP

MAX5072 toc13

ENABLE

5V/div

0V

VOUT1 = 3.3V/1A

2V/div

0V

VOUT2 = 2.5V/0.5A

2V/div

0V

2ms/div

LOAD-TRANSIENT RESPONSE

(BOOST CONVERTER)

MAX5072 toc14

VOUT1 = 3.3V

AC-COUPLED

200mV/div

VOUT2 = 12V

AC-COUPLED

200mV/div

IOUT2

50mA/div

0A

V+ = VL = 5.2V

100µs/div

RST ACTIVE TIMEOUT PERIOD

MAX5072 toc15

ENABLE

5V/div

0V

0V RST

5V/div

VOUT1

0V 5V/div

VOUT2

2V/div

0V

OUT-OF-PHASE OPERATION

MAX5072 toc16

SOURCE 2

0V 5V/div

SOURCE 1

5V/div

0V

INPUT RIPPLE

AC-COUPLED

20mV/div

CLKOUT

0V 5V/div

40ms/div

100ns/div

_______________________________________________________________________________________ 7

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