Datasheet > UC2950

UC2950

更新时间： 2024-09-13 22:49:31

品牌	Logo	应用领域
德州仪器 - TI		开关
页数	文件大小	规格书
3页	166K
描述
Half-Bridge Bipolar Switch

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UC2950 数据手册

UC2950

Half-Bridge Bipolar Switch

FEATURES

DESCRIPTION

•

Source or Sink 4.0A

This device is a monolithic integrated circuit designed to provide high-cur-

rent switching with low saturation voltages when activated by low-level logic

signals. Source and sink switches may be independently activated without

regard to timing as a built-in interlock will keep the sink off if the source is

on.

Supply Voltage to 35V

High-Current Output Diodes

Tri-State Operation

This driver has the high current capability to drive large capacitive loads

with fast rise and fall times; but with high-speed internal flyback diodes, it is

also ideal for inductive loads. Two UC2950s can be used together to form

a full bridge, bipolar motor driver compatible with high frequency chopper

current control.

TTL and CMOS Input Compatibility

Thermal Shutdown Protection

300kHz Operation

Low-Cost TO-220 Package

ABSOLUTE MAXIMUM RATINGS (Note 1)

Supply Voltage Range, VC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8V to 35V

Output Voltage Range, VO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -3.0V to VC+3V

Input Voltage Range, VIN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +7.0V

Note 1: Consult Packaging section of dat-

abook for thermal limitations and considera-

tions of package.

Peak Output Current (100 ms, 10% DC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.0A

Continuous Output Current. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.0A

Power Dissipation with Heat Sink. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15W

Power Dissipation in Free Air. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2W

Operating Temperature Range, TA . . . . . . . . . . . . . . . . . . . . . . . -20°C to +100°C

Storage Temperature Range, TS . . . . . . . . . . . . . . . . . . . . . . . . . -55°C to +125°C

CONNECTION DIAGRAM

TRUTH TABLE

5-PIN TO-220 (TOP VIEW)

T Package

Source Drive

Pin 2

Sink Drive

Pin 5

Output

Pin 4

Low

Off

High

Low

High

Low

High

Low

High

Note: With no load, output voltage will be HIGH in the OFF

state.

SIMPLIFIED SCHEMATIC

5/93

12 3

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