RL1632R-R150-F datasheet(6/17 Pages) ALLEGRO

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RL1632R-R150-F データシート(PDF) 6 Page - Allegro MicroSystems

部品番号	RL1632R-R150-F

部品情報	Constant-Current 3-Ampere PWM Dimmable Buck Regulator LED Driver

PDF	17 Pages

Scroll/Zoom	100%

メーカー	ALLEGRO [Allegro MicroSystems]

ホームページ	http://www.allegromicro.com

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6 / 17 page

Constant-Current 3-Ampere PWM Dimmable

Buck Regulator LED Driver

A6211

Allegro MicroSystems, Inc.

115 Northeast Cutoff

Worcester, Massachusetts 01615-0036 U.S.A.

1.508.853.5000; www.allegromicro.com

Figure 2. PWM operation at various duty cycles; note that there is no startup delay during PWM dimming operation

• Operating conditions: at 200 Hz, VIN = 24 V, VOUT = 15 V, R1 = 63.4 kΩ, duty cycle = 50% (panel 2A) and 2% (panel 2B)

• CH1 (Red) = VIN (10 V/div), CH2 (Blue) = VOUT (10 V/div),

CH3 (Green) = iLED (500 mA/div), CH4 (Yellow) = Enable (5 V/div), time scale = 1 ms/div (panel 2A) and 50 μs/div (panel 2B)

Panel 2A. Duty cycle = 50% and time scale = 1 ms/div

Panel 2B. Duty cycle = 2% and time scale = 50 μs/div

C1,C2

VIN

VOUT

iLED

VEN

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