LM2677T-12 datasheet(8/26 Pages) NSC

部品番号	LM2677T-12

部品情報	SIMPLE SWITCHER High Efficiency 5A Step-Down Voltage Regulator with Sync

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メーカー	NSC [National Semiconductor (TI)]

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Typical Performance Characteristics (Continued)

Continuous Mode Switching Waveforms

V

IN = 20V, VOUT = 5V, ILOAD =5A

L = 10 µH, C

OUT = 400 µF, COUTESR=13 m

Ω

Discontinuous Mode Switching Waveforms

V

IN = 20V, VOUT = 5V, ILOAD = 500 mA

L = 10 µH, C

OUT = 400 µF, COUTESR=13 m

Ω

10130117

A: VSW Pin Voltage, 10 V/div.

B: Inductor Current, 2 A/div

C: Output Ripple Voltage, 20 mV/div AC-Coupled

Horizontal Time Base: 1 µs/div

10130118

A: VSW Pin Voltage, 10 V/div.

B: Inductor Current, 1 A/div

C: Output Ripple Voltage, 20 mV/div AC-Coupled

Horizontal Time Base: 1 µs//iv

Load Transient Response for Continuous Mode

V

IN = 20V, VOUT =5V

L = 10 µH, C

OUT = 400 µF, COUTESR=13 m

Ω

Load Transient Response for Discontinuous Mode

V

IN = 20V, VOUT = 5V,

L = 10 µH, C

OUT = 400 µF, COUTESR=13 m

Ω

10130119

A: Output Voltage, 100 mV//div, AC-Coupled.

B: Load Current: 500 mA to 5A Load Pulse

Horizontal Time Base: 100 µs/div

10130120

A: Output Voltage, 100 mV/div, AC-Coupled.

B: Load Current: 200 mA to 5A Load Pulse

Horizontal Time Base: 200 µs/div

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同様の部品番号 - LM2677T-12

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