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CA3273 데이터시트(PDF) 1 Page - Intersil Corporation |
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CA3273 데이터시트(HTML) 1 Page - Intersil Corporation |
1 / 4 page 3-3 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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