MAX8833 데이터 시트보기 (PDF) - Maxim Integrated

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MAX8833

Dual, 3A, 2MHz Step-Down Regulator

Maxim Integrated 

Dual, 3A, 2MHz Step-Down Regulator

Typical Operating Characteristics (continued)

(VIN1 = VIN2 = 3.3V. MAX8833, circuit of Figure 6, TA = +25°C, unless otherwise noted.)

OUTPUT PEAK CURRENT LIMIT

vs. OUTPUT VOLTAGE

8

7

6

5

4

3

2

1

0

0.8 1.1 1.4 1.7 2.0 2.3 2.6

OUTPUT VOLTAGE (V)

VOUT1

SHORT CIRCUIT AND RECOVERY

MAX8833 toc11

500mV/div

2A/div

IL1

0A

1ms/div

OUTPUT SEQUENCING (EN2 = PWRGD1)

MAX8833 toc12

VOUT1

1V/div

VOUT2

VPWRGD1

1V/div

2V/div

2V/div

VPWRGD2

1ms/div

VOUT1

OUTPUT TRACKING (EN1 = EN2)

MAX8833 toc13

1V/div

VOUT2

VPWRGD1

1V/div

2V/div

2V/div

VPWRGD2

1ms/div

DDR TRACKING 1.8V, 0.9V

EXTERNAL SYNCHRONIZATION

MAX8833 toc14

PULSE GENERATOR SIGNAL. A 10k RESISTOR

IS CONNECTED BETWEEN THE PULSE

GENERATOR AND FSYNC

2V/div

2V/div

VLX1

VLX2

2V/div

400ns/div

STARTING INTO PREBIASED OUTPUT

MAX8833 toc15

EN1

VOUT1

PWRGD1

40µs/div

500mV/div

2V/div

2V/div

6 _______________________________________________________________________________________

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