Datasheet > CA3273

CA3273

更新时间： 2024-09-28 22:38:47

品牌	Logo	应用领域
英特矽尔 - INTERSIL		驱动器
页数	文件大小	规格书
4页	28K
描述
High-Side Driver

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CA3273 数据手册

CA3273

High-Side Driver

April 1994

Features

Description

• Equivalent High Pass P-N-P Transistor

The CA3273 is a power IC equivalent of a P-N-P pass tran-

sistor operated as a high-side-driver current switch in either

the saturated (ON) or cutoff (OFF) modes. The CA3273

incorporates circuitry to protect the pass currents, excessive

input voltage, and thermal overstress. The high-side driver is

intended for general purpose, automotive and potentially

high-stress applications. If high-stress conditions exist, the

use of an external zener diode of 35V or less between sup-

ply and load terminals may be required to prevent damage

due to severe conditions (such as load dump, reverse bat-

tery and positive or negative transients). The CA3273 is

• Current Limiting. . . . . . . . . . . . . . . . . . . . . .0.6A to 1.2A

• Over-Voltage Shutdown . . . . . . . . . . . . . .+25V to +40V

• Junction Temperature Thermal Limit. . . . . . . . .+150^oC

• Equivalent Beta of 25. . . . . . . . . . . . . . . . . . 400mA/0.5V

• Internal Bandgap Voltage and Current Reference

Applications

designed to withstand

nominal reverse-battery

• Fuel Pump Driver

• Relay Driver

(VBAT = 13V) condition without permanent damage to the

IC. The CA3273 is supplied in a modiﬁed 3-lead TO-202

plastic power package.

• Solenoid Driver

• Stepper Motor Driver

• Remote Power Switch

• Logic Control Switch

Ordering Information

PART

TEMPERATURE

RANGE

NUMBER

PACKAGE

CA3273

-40 C to +85 C

TO-202 Modified SIP

Pinout

Block Diagram

CA3273 (SIP)

TOP VIEW

OUTPUT PASS

TRANSISTOR

V_CC

R_S

I_CC

V_O

I_O

(3) V_O(LOAD)

PIN 1

PIN 3

(2) V_SW(CONTROL)

(1) V_CC(SUPPLY)

R_L

LOAD

DRIVE AND LIMITING

CONTROL

CA3273

PIN 2

V_SW

CONTROL

INPUT

CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.

File Number 2113.4

3-3

12 3 4

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