MAX1702BEGX 데이터 시트보기 (PDF) - Maxim Integrated

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MAX1702BEGX

Triple Output Power Management IC for Microprocessor-Based Systems

Maxim Integrated 

MAX1702B

Triple Output Power Management IC for

Microprocessor-Based Systems

Typical Operating Characteristics (continued)

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

REG3 OUTPUT VOLTAGE

vs. LOAD CURRENT (VOUT3 = 2.5V)

2.515

2.510

2.505

TA = +85°C

2.500

2.495

2.490

2.485

TA = +40°C

TA = -40°C TA = 0°C

2.480

2.475

0

50 100 150 200 250 300 350 400 450

LOAD CURRENT (mA)

INTERNAL OSCILLATOR FREQUENCY

vs. SUPPLY VOLTAGE

1040

1020

TA = +85°C

1000

980

960

TA = +25°C

940

920

TA = -40°C

900

2.5 3.0 3.5 4.0 4.5 5.0 5.5

SUPPLY VOLTAGE (V)

REG1 HEAVY-LOAD SWITCHING WAVEFORM

LOAD = 800mA, VIN = 4V

MAX1702B toc14

VLX1

2V/div

0

0

I/O

CORE

0

400ns/div

VOUT1

AC-COUPLED

20mV/div

IL1

500mA/div

REG3 OUTPUT VOLTAGE

vs. LOAD CURRENT (VOUT3 = 1.8V)

1.812

1.807

1.802

TA = +85°C

1.797

1.792

1.787

TA = +40°C

TA = -40°C TA = 0°C

1.782

0

50 100 150 200 250 300 350 400 450

LOAD CURRENT (mA)

INTERNAL REFERENCE

vs. TEMPERATURE

1.30

1.29

1.28

1.27

1.26

1.25

1.24

1.23

1.22

1.21

1.20

-40 -15

10

35

60

85

TEMPERATURE (°C)

REG2 HEAVY-LOAD SWITCHING WAVEFORM

LOAD = 400mA, VIN = 4V

MAX1702B toc15

VLX2

2V/div

0

VOUT2

0

AC-COUPLED

20mV/div

IL2

500mA/div

0

400ns/div

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