MAX1901EAI 查看數據表（PDF） - Maxim Integrated

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MAX1901EAI

500kHz Multi-Output, Low-Noise Power-Supply Controllers for Notebook Computers

Maxim Integrated 

500kHz Multi-Output, Low-Noise Power-Supply

Controllers for Notebook Computers

Typical Operating Characteristics (continued)

(Circuit of Figure 1, Table 1, 6A/500kHz components, TA = +25°C, unless otherwise noted.)

REF OUTPUT VOLTAGE

vs. OUTPUT CURRENT

2.505

VIN = 15V

ON3 = ON5 = 0

2.500

2.495

2.490

2.485

0

1

2

3

4

5

6

OUTPUT CURRENT (mA)

STARTUP WAVEFORMS

MAX1901 toc11

RUN

5V/div

0

3.3V OUTPUT

2V/div

0

TIME

2V/div

0

5V OUTPUT

0

5V/div

2ms/div

SEQ = VL, O.O1µF CAPACITOR ON TIME

5V LOAD TRANSIENT RESPONSE

MAX1901 toc12

3.3V LOAD TRANSIENT RESPONSE

MAX1901 toc13

10V

0

5A

0

20µs/div

VIN = 8V, IOUT = 1A TO 5A

5V OUTPUT

5OmV/div

AC-COUPLED

VLX5

10V/div

ILX5

5A/div

10V

0

5A

0

20µs/div

VIN = 8V, IOUT = 1A TO 5A

3.3V OUTPUT

5OmV/div

AC-COUPLED

VLX3

10V/div

ILX3

5A/div

8 _______________________________________________________________________________________

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