Datasheet > UC3727QP

UC3727QP

更新时间： 2024-11-16 23:38:55

品牌	Logo	应用领域
其他 - ETC		驱动器接口集成电路
页数	文件大小	规格书
7页	415K
描述
Single Peripheral Driver

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中文翻译

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数据手册

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UC3727QP 数据手册

UC1727

UC2727

UC3727

Isolated High Side IGBT Driver

FEATURES

DESCRIPTION

The UC1727 and its companion chip, the UC1726, provide all the

necessary features to drive an isolated IGBT transistor from a TTL in-

put signal. A unique modulation scheme is used to transmit both

power and signal across an isolation boundary with a minimum of ex-

ternal components.

•

Receives Power and Signal from Single

Isolation Transformer

•

Generates Split Rail for 4A Peak Bipolar

Gate Drive

•

16V High Level Gate Drive

Protection features include under voltage lockout and desaturation

detection. High level gate drive signals are typically 16V. Intermediate

high drive levels can be programmed for various periods of time to

limit surge current at turn on and in the event of desaturation due to a

short circuit.

Low Level Gate Drive more Negative

than -5V

•

Undervoltage Lockout

Desaturation Detection and Fault

Processing

The chip generates a bipolar supply so that the gate can be driven to

a negative voltage insuring the IGBT remains off in the presence of

high common mode slew rates.

•

Separate Output Enable Input

Uses include isolated off-line full bridge and half bridge drives for mo-

tors, switches, and any other load requiring full electrical isolation.

Programmable Stepped Gate Drive for

Soft Turn On

•

Programmable Stepped Gate Drive for

Soft Fault

BLOCK DIAGRAM

UDG-94005-2

12/94

12 3 4 5 6 7

中文翻译

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