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ALD2302 Datasheet(PDF) 6 Page - Advanced Linear Devices |
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ALD2302 Datasheet(HTML) 6 Page - Advanced Linear Devices |
6 / 6 page ALD2302A/ALD2302 Advanced Linear Devices 6 TYPICAL APPLICATIONS This circuit eliminates crossover current in the complementary power transistors. The outputs can be used to source and sink different loads or tied together to provide push-pull drive of the same load. PUSH-PULL COMPLEMENTARY POWER MOSFET DRIVER + + +12V +12V +12V P- Channel VP 02 Power MOSFET 2A Source 2A Sink N - Channel VN 01 Power MOSFET +12V 10K 40K 10K V1 V2 VIN ALD2302 Design & Operating Notes: 1. As each output sources up to 10mA in the output high state, the output stage of a wired - OR low output circuit must be able to sink this current and still provide desired output voltage levels. For TTL output levels, this consideration limits the number to a maximum of three ALD2302 outputs wired-OR together. 2. In order to minimize stray oscillation, all unused inputs must be tied to ground. 3. The input bias and offset currents are essentially input protection diode reverse bias leakage currents, and are typically less than 1 pA at room temperature. The currents are a function of ambient temperature, and would have to be considered in applications where very high source impedance or high accuracy are involved. 4. The high output sinking current of 60mA for each output offers flexibility in many applications, as a separate buffer or driver would not be necessary to drive the intended load. However, as the circuit normally operates close to ambient temperature due to its very low power consumption, thermal effects caused by large output current transients must be considered in certain applications. TIME DELAY GENERATOR + RF4 V3 1/2 ALD 2302 1/2 ALD 2302 RF3 RF2 V+ RF1 + 1/2 ALD 2302 V2 + 1/2 ALD 2302 V1 RT CT + VIN V+ VREF |
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