Datasheet > IT6801

IT6801

更新时间： 2022-02-26 14:11:00

品牌	Logo	应用领域
其他 - ETC		驱动
页数	文件大小	规格书
9页	352K
描述
SELF-OSCILLATING HALF-BRIDGE DRIVER

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IT6801 数据手册

iT6801

SELF-OSCILLATING HALF-BRIDGE DRIVER

1. Description

2. Features

iT6801 is a half-bridge driver with programmable

oscillator within a SOP-8L package to drive both

lower MOSFET and floating upper MOSFET. It is

suitable for electronic ballast of fluorescent lamp.

It is equipped with internal clamp of 17.2 V zener

diode, so the V_CCvoltage is easily regulated. For

proper operation assurance and low power start-

up, it is designed with internal under voltage

lockout (UVLO), so it takes little current for supply

capacitor voltage to builds up. Oscillator frequency

is controlled by the current drawn out from RT,

which acts as minimum base frequency. The

same current is duplicated internally to double

base frequency for preheat.

z Built in preheat function

z Lamp open or End-Of-Life detection

z Micro power start-up

z Integrated 600 V half-bridge gate driver

z Increased under-voltage lockout Hysteresis

z Lower power level-shifting circuit

z Constant LO, HO pulse widths at startup

z Lower di / dt gate driver for better noise

immunity

z Excellent latch immunity on all inputs and

outputs

3. Applications

z Electronic Ballast

4. Pin Assignments

V_CC

V_B

V_S

COM

SOP-8L

5. Marking Information

Product Name

Marking

iT6801

XXXXX

iT6801

X : Date Code

Version 1.0

12 3 4 5 6 7...9

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