TPS62736_15 Datasheet, PDF (23/37 Pages) Texas Instruments – TPS6273x Programmable Output Voltage Ultra-Low Power Buck Converter With Up to 50 mA / 200 mA Output Current

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IL
VOUT
VIN
SW
IL
VOUT
VIN
SW
1 ms/div
V(IN) = 3.6 V bench power supply
R(OUT) = 100 kΩ
Figure 53. Steady State Operation
VIN
VRDIV
VIN-OK
VOUT
100 ms/div
V(IN) = power amplifier ramped from 0 V to 5 V to 0 V
Figure 55. Power Management Response
IL
VOUT
VSW
50 μs/div
V(IN) = 3.6 V -> 4.6 V -> 4.6 V from bench power supply
R(OUT) = 9 Ω
Figure 57. Line Transient Response
TPS62736, TPS62737
SLVSBO4C – OCTOBER 2012 – REVISED DECEMBER 2014
IL
VOUT
SW
10 μs/div
V(IN) = 3.6 V bench power supply
R(OUT) = 9 Ω
Figure 54. Steady State Operation
IL
IOUT
VOUT
VSW
20 μs/div
V(IN) = 3.6 V bench power supply + additional C(IN) = 100 uF
R(OUT) = open to 9 Ω to open
Figure 56. Load Transient Response
IOUT
VOUT
SW
5 μs/div
V(IN) = 4.0 V bench supply + additional C(IN) = 100 uF
VOUT resistors modified to provide 2.5 V
I(OUT) = 200 mA every 1 us
Figure 58. IR Pulse Transient Response
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