SC628AEVB datasheet(8/21 Pages) SEMTECH

Part #	SC628AEVB

Description	LED Flash Driver Charge Pump with 1000mA Flash Mode, 275mA Spotlight Mode, and I2C Interface

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Manufacturer	SEMTECH [Semtech Corporation]

Direct Link	http://www.semtech.com

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SC628A

8

Spotlight Mode Ripple — 1x Mode

Time (4.0μs/div)

V

IN (100mVAC/div)

I

OUT

= 275mA, T

A

= 25°C, Spotlight Mode

V

OUT (100mVAC/div)

I

OUT (200mADC/div)

0mA—

Spotlight Mode Ripple — 1.5x Mode

Time (4.0μs/div)

V

IN (100mVAC/div)

I

OUT

= 275mA, T

A

= 25°C, Spotlight Mode

V

OUT (100mVAC/div)

I

OUT (200mADC/div)

0mA—

Flash Mode Ripple — 1x Mode

Time (4.0μs/div)

V

IN (200mVAC/div)

I

OUT

= 1000mA, T

A

= 25°C, Flash Mode

V

OUT (200mVAC/div)

I

OUT (500mADC/div)

0mA—

Flash Mode Ripple — 1.5x Mode

Time (4.0μs/div)

V

IN (200mVAC/div)

I

OUT

= 1000mA, T

A

= 25°C, Flash Mode

V

OUT (200mVAC/div)

I

OUT (500mADC/div)

0mA—

Flash Current Pulse

Time (40ms/div)

V

FLEN (2VDC/div)

V

IN

= 3.7V, I

OUT

= 1000mA, T

A

= 25°C, t

ON

= 100ms

V

OUT (2VDC/div)

I

OUT (500mADC/div)

0mA—

Flash Mode Ripple — 2x Mode

Time (4.0μs/div)

V

IN (200mVAC/div)

I

OUT

= 1000mA, T

A

= 25°C, Flash Mode

V

OUT (200mVAC/div)

I

OUT (500mADC/div)

0mA—

0V—

Typical Characteristics (continued)

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SC628AEVB Datasheet(PDF) 8 Page - Semtech Corporation

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