 |
 |
|
| TPS62270DRVT |
|
|||||||||||||||||
 TI
|
| |||||||||||||||||
|
10 page 
TimeBase-200 s/Div m V 2V/Div OUT I 200mA/Div L SW5V/Div V 2V/Div IN V =rampupto5V R =220 VSEL =GND EN= IN Load V =2.1V V OUT IN W SW2V/Div EN2V/Div Timebase-100 s/Div m V 1V/Div OUT I 20mA/Div IN V =3.6V, V =0.9V, R =100 , VSEL =GND IN OUT LOAD W TimeBase-200 s/Div m V 2V/Div OUT I 200mA/Div L SW5V/Div V 2V/Div IN V =rampupto5V R =220 VSEL = EN= IN Load V =3.3V V OUT IN W VIN V -InputVoltage-V IN 8 10 12 14 16 18 20 2 2.5 3 3.5 4 4.5 5 5.5 6 T =85 C A º T =25 C A º T =-40 C A º EN=VIN, DeviseNotSwitching SLVS799C – NOVEMBER 2007 – REVISED JANUARY 2009 ........................................................................................................................................... www.ti.com STARTUP IN 100 Ω LOAD STARTUP IN 220 Ω LOAD AT 0.9 V OUTPUT VOLTAGE AT 2.1 V OUTPUT VOLTAGE Figure 17. Figure 18. QUIESCENT CURRENT STARTUP IN 220 Ω LOAD vs AT 3.3 V OUTPUT VOLTAGE INPUT VOLTAGE Figure 19. Figure 20. 10 Copyright © 2007–2009, Texas Instruments Incorporated |
