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A6210

Allegro MicroSystems
Part Number A6210
Manufacturer Allegro MicroSystems
Description 3A 2MHz Buck-Regulating LED Driver
Published Mar 19, 2010
Detailed Description A6210 3 A, 2 MHz Buck-Regulating LED Driver Features and Benefits ▪ User-configurable on-time, achieving switching freq...
Datasheet PDF File A6210 PDF File

A6210
A6210

Overview
A6210 3 A, 2 MHz Buck-Regulating LED Driver Features and Benefits ▪ User-configurable on-time, achieving switching frequencies up to 2.
0 MHz ▪ Brightness control through PWM of DIS pin ▪ Minimal external components required ▪ No output capacitor required ▪ Wide input voltage range: 9 to 46 V ▪ Low 0.
18 V sense voltage for higher efficiency ▪ Output Current: up to 3.
0 A ▪ Low standby current <100 μA ▪ Thermal shutdown ▪ Supplied in a thermally-enhanced 4 mm QFN package Applications: ▪ High brightness LEDs ▪ LED driver modules, power supplies and lamps, such as MR16 and MR11 Package 16-contact QFN (suffix EU): 4 mm × 4 mm × 0.
75 mm Description The A6210 is a buck regulator that uses valley current-mode control.
This control scheme allows very short switch on-times to be achieved, making it ideal for applications that require high switching frequencies combined with high input voltages and low output LED span voltages.
Low system cost is accomplished through h...


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