HV9912NG

control LED driver IC, HV9912NG, SOP-16, -0.5V to +100V, 1200mW

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Price:: US $0.44~1.41 / piece [Get Latest Price]

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PartNumber:: HV9912NG

Brand:: Supertex, Inc - Supertex | Pack: SOP | D/C: 10+

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Products Upload time: 2012-11-22

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Part Number:HV9912NG
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Product Summary

The HV9912NG is a current mode control LED driver IC designed to control single switch PWM converters (buck, boost, buck-boost or SEPIC) in a constant frequency mode. The HV9912NG uses a peak current-mode control scheme with programmable slope compensation and includes an internal transconductance ampliﬁ er to control the output current in closed loop enabling high output current accuracy (in the case of buck and buck-boost converters, the output current can be sensed using a high side current sensor like the HV7800). The applications of the HV9912NG are (1)LED backlight applications; (2)General LED lighting applications; (3)Battery powered LED lamps.

Parametrics

HV9912NG absolute maximum ratings: (1)VIN to GND -0.5V to +100V; (2)VDD to GND -0.3V to +13.5V; (3)CS to GND -0.3V to (VDD + 0.3V); (4)PWMD to GND -0.3V to (VDD + 0.3V); (5)GATE to GND -0.3V to (VDD + 0.3V); (6)All other pins to GND -0.3V to (VDD + 0.3V); (7)Continuous Power Dissipation: 1200mW; (8)Thermal impedance (θja) 82℃/W; (9)Junction temperature +125℃; (10)Storage temperature range -65 to +150℃.

Features

HV9912NG features: (1)Works with high side current sensors; (2)Closed loop control of output current; (3)High PWM dimming ratio; (4)Internal 90V linear regulator (can be extended using external zener diodes); (5)Internal 2% voltage reference ; (6)Constant frequency operation; (7)Programmable slope compensation; (8)Linear & PWM dimming; (9)+0.2A/-0.4A gate drive; (10)Hiccup Mode Protection for both short circuit and open circuit conditions; (11)Synchronization capability; (12)Pin compatible with HV9911.