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MAX782EBX

Triple-Output Power-Supply Controller for Notebook Computers

Maxim Integrated 

Triple-Output Power-Supply

Controller for Notebook Computers

_____________________________Typical Operating Characteristics (continued)

(Circuit of Figure 1, Transpower transformer type TTI5870, TA = +25°C, unless otherwise noted.)

PULSE-WIDTH MODULATION MODE WAVEFORMS

IDLE-MODE WAVEFORMS

LX VOLTAGE

10V/div

LX VOLTAGE

10V/div

+5V OUTPUT

VOLTAGE

50mV/div

HORIZONTAL = 500ns/div

+5V OUTPUT CURRENT = 1A

INPUT VOLTAGE = 16V

+5V LOAD-TRANSIENT RESPONSE

3A

LOAD CURRENT

0A

+5V OUTPUT

VOLTAGE

50mV/div

HORIZONTAL = 5µs/div

+5V OUTPUT CURRENT = 42mA

INPUT VOLTAGE = 16V

+3.3V LOAD-TRANSIENT RESPONSE

3A

LOAD CURRENT

0A

HORIZONTAL = 200µs/div

VIN = 15V

+5V OUTPUT

50mV/div

HORIZONTAL = 200µs/div

VIN = 15V

+3.3V OUTPUT

50mV/div

_______________________________________________________________________________________ 5

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