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RT8463GQW

RT8463GQW -RICHTEK - LED Driver, Buck-Boost, 4.5V to 50V input, 470 kHz Switch. Frequency, 50V/WDFN-12

RICHTEK RT8463GQW

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Manufacturer:
RICHTEK RICHTEK
Manufacturer Part No:
RT8463GQW
Order Code:
2392644
Technical Datasheet:
RT8463GQW   Datasheet
See all Technical Docs

Product Information

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:
Boost, Buck, Buck-Boost
:
4.5V
:
50V
:
50V
:
210mA
:
470kHz
:
1Outputs
:
SMD
:
WDFN
:
12Pins
:
-40°C
:
85°C
:
-
:
-
:
MSL 3 - 168 hours
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Technical Docs (1)

Product Overview

The RT8463GQW is a current mode PWM Regulator for LED driving applications. With a 2A power switch, wide input voltage (4.5 to 50V) and output voltage (up to 50V) ranges, the RT8463 can operate in any of the three common topologies of buck, boost or buck-boost. With 470kHz operating frequency, the size of the external PWM inductor and input/output capacitors can be minimized. High efficiency is achieved by a 100mV current sensing control. Brightness dimming can be controlled from either analogue or PWM signal. Unique built-in clamping comparator and filtering resistor allow easy low noise analogue dimming conversion from PWM signal with only one external capacitor.
  • Multi-topology LED driver controller
  • Analog / PWM dimming
  • 300mR internal switch
  • Adjustable soft-start
  • Adjustable over-voltage protection to limit output voltage
  • Asynchronous
  • Stable with low ESR ceramic output capacitors.
  • external compensation

Applications

Sensing & Instrumentation, Lighting

No Longer Manufactured

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