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UC2950 датащи(PDF) 1 Page - Texas Instruments |
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UC2950 датащи(HTML) 1 Page - Texas Instruments |
1 / 3 page Half-Bridge Bipolar Switch UC2950 TRUTH TABLE Source Drive Pin 2 Sink Drive Pin 5 Output Pin 4 Low Low High High Low High Low High Low Off High High Note: With no load, output voltage will be HIGH in the OFF state. 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 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 5-PIN TO-220 (TOP VIEW) T Package FEATURES • Source or Sink 4.0A • Supply Voltage to 35V • High-Current Output Diodes • Tri-State Operation • TTL and CMOS Input Compatibility • Thermal Shutdown Protection • 300kHz Operation • Low-Cost TO-220 Package DESCRIPTION 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. 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. CONNECTION DIAGRAM SIMPLIFIED SCHEMATIC Note 1: Consult Packaging section of dat- abook for thermal limitations and considera- tions of package. 5/93 |
Аналогичный номер детали - UC2950 |
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Аналогичное описание - UC2950 |
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