TPS65280RGET datasheet(11/32 Pages) TI1

Part #	TPS65280RGET

Description	DUAL POWER DISTRIBUTION SWITCH AND MONOLITHIC SYNCHRONOUS BUCK REGULATOR WITH 5.5-V TO 18-V INPUT VOLTAGE, FIXED 5-V OUTPUT VOLTAGE AND

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TPS65280

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SLVSBE4 – JUNE 2012

TYPICAL CHARACTERISTICS (continued)

TJ = 25°C, VIN = 12 V, fSW = 600 kHz, RnFAULTx = 100 kΩ (unless otherwise noted)

Figure 10. Buck Load Regulation

Figure 11. Buck Line Regulation

Figure 12. Oscillator Frequency vs Rosc Voltage

Figure 13. Buck Efficiency

(Note that Select ROSC Resistance = VROSC x 100 k

Ω

for Desired Frequency)

Figure 14. Buck Hiccup Response to Hard-Short Circuit

Figure 15. Zoom In Buck Output Hard Short Response

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