TPS40021-EP_16 Datasheet, PDF (16/33 Pages) Texas Instruments – ENHANCED, LOW-INPUT VOLTAGE-MODE SYNCHRONOUS BUCK CONTROLLER

TPS40021-EP
SLUSB58 – SEPTEMBER 2012
FB
− 4.6%
PWRGD
10 µs
4.6%
−1%
10 µs
1%
− 4.6%
500 n s
500 n s
< 10 µs
www.ti.com
SW
98 % Duty Cycle
0 % Duty Cycle
98 % Duty Cycle
Figure 7. Duty Cycle Waveforms
0 % Duty Cycle
VDD
1.3 V
0.6 V
0.3 V
SS/SD
VOUT − 1%
VOUT
4µs
PWRGD
500 ns
Transient Comparators Enabled
Transient Comparators Disabled
Figure 8. Transient Comparator Waveforms
1.5 µs
16
Submit Documentation Feedback
Product Folder Links: TPS40021-EP
Copyright © 2012, Texas Instruments Incorporated