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TPS62003DGSG4 Datasheet(PDF) 3 Page - Texas Instruments |
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TPS62003DGSG4 Datasheet(HTML) 3 Page - Texas Instruments |
3 / 25 page TPS62000, TPS62001, TPS62002, TPS62003 TPS62004, TPS62005, TPS62006, TPS62007, TPS62008 HIGHEFFICIENCY STEPDOWN LOW POWER DCDC CONVERTER SLVS294C − SEPTEMBER 2000 − REVISED SEPTEMBER 2003 3 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 functional block diagram PFM/PWM Control Logic Current Limit Logic _ + Compensation Soft Start Slope Compensation PFM/PWM Mode Select PFM/PWM Comparator Error Amplifier _ + Current Sense Driver Shoot-Through Logic _ + Undervoltage Lockout Bias Supply 10 Ω _ + Vref = 0.45 V R2 R1 R1 + R2 ≈ 1 MΩ Power Good Sync + Oscillator _ + Load Comparator Current Sense + Offset Antiringing FB N-Channel Power MOSFET P-Channel Power MOSFET L PGND EN FB PG FC (See Note B) VIN GND SYNC ILIM EN (See Note A) NOTES: A. The adjustable output voltage version does not use the internal feedback resistor divider. The FB pin is directly connected to the error amplifier. B. Do not connect the FC pin to an external power source |
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