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TPS74801QRGWRQ1 Datasheet(PDF) 5 Page - Texas Instruments |
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TPS74801QRGWRQ1 Datasheet(HTML) 5 Page - Texas Instruments |
5 / 29 page Thermal Limit Soft-Start Discharge OUT V OUT FB PG IN BIAS SS EN Hysteresis andDeglitch Current Limit UVLO 0.44 A m 0.8V Reference 0.9 ´ V REF GND C SS R 1 R 2 TPS74801-Q1 www.ti.com SLVSAI4B – OCTOBER 2010 – REVISED JULY 2013 BLOCK DIAGRAM Table 1. Standard 1% Resistor Values for Programming the Output Voltage(1) R1 (kΩ) R2 (kΩ) VOUT (V) Short Open 0.8 0.619 4.99 0.9 1.13 4.53 1 1.37 4.42 1.05 1.87 4.99 1.1 2.49 4.99 1.2 4.12 4.75 1.5 3.57 2.87 1.8 3.57 1.69 2.5 3.57 1.15 3.3 (1) VOUT = 0.8 × (1 + R1 / R2). Table 2. Standard Capacitor Values for Programming the Soft-Start Time(1) CSS SOFT-START TIME Open 0.1 ms 270 pF 0.5 ms 560 pF 1 ms 2.7 nF 5 ms 5.6 nF 10 ms 0.01 μF 18 ms (1) tSS(s) = 0.8 × CSS(F) / 4.4 × 10 –7. DEVICE INFORMATION Copyright © 2010–2013, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Links: TPS74801-Q1 |
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