RC5057 データシートの表示（PDF） - Fairchild Semiconductor

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RC5057

High Performance Programmable Synchronous DC-DC Controller for Low Voltage Microprocessors

Fairchild Semiconductor 

PRODUCT SPECIFICATION

Typical Operating Characteristics (continued)

Output Ripple, 2.0V @ 18A

Transient Response, 12.5A to 0.5A

RC5057

1.590V

1.550V

1.480V

Time (1µs/division)

Transient Response, 0.5A to 12.5A

Time (100µs/div)

Switching Waveforms, 18A Load

Time (1µs/division)

1.590V

1.550V

1.480V

Time (100µs/div)

Output Startup, System Power-up

HIDRV

pin

LODRV

pin

Time (10ms/division)

REV. 1.2.0 2/10/00

7

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