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TPS74401-EP Datasheet(PDF) 11 Page - Texas Instruments |
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TPS74401-EP Datasheet(HTML) 11 Page - Texas Instruments |
11 / 26 page 50mV/div 50mV/div 50mV/div 50mV/div 2A/div Time(50 s/div) m C = 2x470 F(OSCON) OUT m C = 100 F Cer. OUT m C = 10 F Cer. OUT m C = OUT 0 F m 1A/ s m 3.0A 100mA 10mV/div 10mV/div 10mV/div 10mV/div 500mV/div Time(50 s/div) m C =2x470 F(OSCON) OUT m C =100 F(Cer.) OUT m C =10 F(Cer.) OUT m C =0 F OUT m 1V/ s m 4.3V 3.3V 10mV/div 10mV/div 10mV/div 10mV/div 500mV/div Time(50 s/div) m C =2x470 F OUT m C =100 F(Cer.) OUT m C =10 F OUT (Cer.) m C =0 F OUT m 1V/ s m 2.5V 1.5V V =1.2V OUT (OSCON) 1V/div 500mV/div Time(1ms/div) C =0 F SS m C =0.001 F SS m C =0.0047 F SS m V OUT V EN 0V 1.1V Time(20 s/div) m V OUT 50mV/div I OUT 1A/div OutputOpen OutputShorted V =0.8V OUT Time(20ms/div) V (500mV/div) PG V OUT V =V =V IN BIAS EN TPS74401-EP www.ti.com SBVS122B – MARCH 2010 – REVISED SEPTEMBER 2010 TYPICAL CHARACTERISTICS (continued) At TJ = +25°C, VOUT = 1.5 V, VIN = VOUT(TYP) + 0.3 V, VBIAS = 3.3 V, IOUT = 50 mA, CIN = 1 mF, CBIAS = 1 mF, CSS = 0.01 mF, and COUT = 10 mF, unless otherwise noted. LOAD TRANSIENT RESPONSE VBIAS LINE TRANSIENT (3A) Figure 22. Figure 23. VIN LINE TRANSIENT (3A) TURN-ON RESPONSE Figure 24. Figure 25. POWER-UP/POWER-DOWN OUTPUT SHORT-CIRCUIT RECOVERY Figure 26. Figure 27. Copyright © 2010, Texas Instruments Incorporated Submit Documentation Feedback 11 Product Folder Link(s): TPS74401-EP |
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