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LMZ20502 bảng dữ liệu(PDF) 2 Page - Texas Instruments |
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LMZ20502 bảng dữ liệu(HTML) 2 Page - Texas Instruments |
2 / 3 page LMZ20502 SNVS852A – JUNE 2012 – REVISED APRIL 2013 www.ti.com Typical Applcation Circuit Figure 2. Typical Application Circuit Connection Diagram Figure 3. Connection Diagram PIN DESCRIPTIONS Pin # NAME TYPE(1) Description 1 PG O Power good flag; open drain. Connect to logic supply through a resistor. High = power good; Low = power bad 2 EN I Enable input. High = ON, Low = off. Do not float 3 MODE I Mode selection input. HIgh = forced PWM. Low = auto mode selection between PFM and PWM. Do not float. 4 FB I Feedback input to controller. Connect to output through feedback divder. 5 VOUT P Regulated output voltage. 6 GND G Ground for all circuitry. reference point for all voltages. 7 NC No Connect; leave floating 8 VIN P Input supply to regulator. Connect a bypass capacitor as close as possible to the VIN pin and GND pin of the module EP EP G Ground and heatsink connection. (1) G = Ground, I = Input, O = Output, P = Power 2 Submit Documentation Feedback Copyright © 2012–2013, Texas Instruments Incorporated Product Folder Links: LMZ20502 |
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