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CA3273 데이터시트(PDF) 1 Page - Intersil Corporation

부품명 CA3273
상세설명  High-Side Driver
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제조업체  INTERSIL [Intersil Corporation]
홈페이지  http://www.intersil.com/cda/home
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CA3273 데이터시트(HTML) 1 Page - Intersil Corporation

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CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
407-727-9207
| Copyright
© Intersil Corporation 1999
CA3273
High-Side Driver
Description
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
designed
to
withstand
a
nominal
reverse-battery
(VBAT = 13V) condition without permanent damage to the
IC. The CA3273 is supplied in a modified 3-lead TO-202
plastic power package.
Ordering Information
PART
NUMBER
TEMPERATURE
RANGE
PACKAGE
CA3273
-40oC to +85oC
TO-202 Modified SIP
Features
• Equivalent High Pass P-N-P Transistor
• Current Limiting . . . . . . . . . . . . . . . . . . . . . .0.6A to 1.2A
• Over-Voltage Shutdown . . . . . . . . . . . . . . +25V to +40V
• Junction Temperature Thermal Limit. . . . . . . . . +150oC
• Equivalent Beta of 25. . . . . . . . . . . . . . . . . . 400mA/0.5V
• Internal Bandgap Voltage and Current Reference
Applications
• Fuel Pump Driver
• Relay Driver
• Solenoid Driver
• Stepper Motor Driver
• Remote Power Switch
• Logic Control Switch
April 1994
File Number
2113.4
Pinout
CA3273 (SIP)
TOP VIEW
Block Diagram
(3) VO (LOAD)
(2) VSW (CONTROL)
(1) VCC (SUPPLY)
DRIVE AND LIMITING
CONTROL
RS
VO
LOAD
VCC
PIN 1
RL
CA3273
PIN 2
PIN 3
OUTPUT PASS
TRANSISTOR
IO
CONTROL
ICC
INPUT
VSW


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