TPS51220A_15 Datasheet, PDF (19/53 Pages) Texas Instruments – Fixed Frequency, 99% Duty Cycle Peak Current Mode Notebook System Power Controller

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TPS51220A
SLUS897E – DECEMBER 2008 – REVISED JANUARY 2013
TYPICAL CHARACTERISTICS
5.0-V START-UP WAVEFORMS
3.3-V START-UP WAVEFORMS
EN1 (5V/div)
EN2 (5V/div)
Vout1 (2V/div)
PGOOD1 (5V/div)
1msec/div
Figure 34.
5.0-V SOFT-STOP WAVEFORMS
EN1 (5V/div)
Vout2 (2V/div)
PGOOD2 (5V/div)
1msec/div
Figure 35.
3.3-V SOFT-STOP WAVEFORMS
EN2 (5V/div)
Vout1 (2V/div)
Vout2 (2V/div)
PGOOD1 (5V/div)
101mmsseecc/d/diviv
Figure 36.
PGOOD2 (5V/div)
1₁0_mm_ss_ee_cc_/d/d_iviv
Figure 37.
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