HV9910B

open loop, current mode, control LED driver IC, 12V, 1300mW, SOIC

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Price:: US $0.75~0.90 / piece [Get Latest Price]

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Qty (lots)	Price/lot
1 ~ 1000 :	0.90 / Piece
1000 ~ 10000 :	0.80 / Piece
10000 ~ 1000000 :	0.75 / Piece

PartNumber:: HV9910B

Brand:: Supertex, Inc - Supertex | Pack: SOIC | D/C: 13+

Availability:: Supply Ability: 1000000/Day Can Ship Immediately
Delivery: 10-15 Business Days (ships out within 3 Business days)

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Products Upload time: 2013-05-16

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Part Number:HV9910B
US $0.75 - 0.90
Quantity:

piece

Product Summary

The HV9910B is an open loop, current mode, control LED driver IC. The HV9910B can be programmed to operate in either a constant frequency or constant off-time mode. It includes an 8.0 - 450V linear regulator which allows it to work from a wide range of input voltages without the need for an external low voltage supply. The HV9910B includes a PWM dimming input that can accept an external control signal with a duty ratio of 0 - 100% and a frequency of up to a few kilohertz. It also includes a 0 - 250mV linear dimming input which can be used for linear dimming of the LED current. The HV9910B applications are: (1)DC/DC or AC/DC LED driver applications; (2)RGB backlighting LED driver; (3)Back lighting of fl at panel displays; (4)General purpose constant current source; (5)Signage and decorative LED lighting; (6)Chargers.

Parametrics

HV9910B absolute maximum ratings: (1)VIN to GND: －0.5V to +470V; (2)VDD to GND: 12V; (3)CS, LD, PWMD, GATE, RT to GND: －0.3V to (VDD +0.3V); (4)Junction temperature range: －40℃ to +150℃; (5)Storage temperature range: －65℃ to +150℃; (6)Continuous power dissipation (TA = +25℃)8－Lead SOIC: 630mW; (7)Continuous power dissipation 16－Lead SOIC (TA = +25℃): 1300mW.

Features

HV9910B features: (1)Switch mode controller for single switch LED drivers; (2)Enhanced drop-in replacement to the HV9910; (3)Open loop peak current controller; (4)Internal 8.0 to 450V linear regulator; (5)Constant frequency or constant off-time operation; (6)Linear and PWM dimming capability; (7)Requires few external components for operation.