MAX783C/D Просмотр технического описания (PDF) - Maxim Integrated

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MAX783C/D

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 TTI5902 transformer, TA = +25°C, unless otherwise noted.)

+5V LOAD-TRANSIENT RESPONSE

+5V LINE-TRANSIENT RESPONSE, RISING

3A

LOAD CURRENT

0A

+5V OUTPUT

50mV/div

+5V OUTPUT

50mV/div

VIN, 10V TO 16V

2V/div

VIN = 15V

200µs/div

ILOAD = 2A

+5V LINE-TRANSIENT RESPONSE, FALLING

20µs/div

+5V OUTPUT

50mV/div

ILOAD = 2A

20µs/div

VIN, 16V TO 10V

2V/div

OUTPUT NOISE SPECTRUM

30

20 VIN = 10V

VOUT = 5V

10 IOUT = 50mA

0

-10

-20

-30

1

10

100

FREQUENCY (kHz)

OUTPUT NOISE SPECTRUM

30

20 VIN = 8V TO 12V

10

(PLOTS SUPERIMPOSED)

VOUT = 5V

0 IOUT = 1A

-10

-20

-30

-40

-50

-60

10k

100k

1M

FREQUENCY (Hz)

6 _______________________________________________________________________________________

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