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| TPS62230_14 Datasheet, PDF (17/36 Pages) Texas Instruments – 2 MHz / 3 MHz Ultra Small Step Down Converter in 1x1.5 SON Package | |||
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www.ti.com
TPS62230, TPS62231, TPS62232, TPS62233, TPS62234, TPS62235, TPS62236
TPS62237, TPS62238, TPS62239, TPS622310, TPS622311, TPS622312
TPS622313, TPS622314, TPS622315, TPS622316, TPS622317, TPS622318
SLVS941E â APRIL 2009 â REVISED DECEMBER 2010
VOUT = 2.5 V
50 mV/div
IOUT = 5 mA to 200 mA
sinusoidal
100 mA/div
TYPICAL CHARACTERISTICS (continued)
VIN = 3.6 V
COUT = 4.7 mF
L = 2.2 mH
MODE = GND
VOUT = 2.5 V
50 mV/div
I = 5mA to 200mA
OUT
sinusoidal
100mA/Div
VIN = 3.6 V
COUT = 4.7 mF
L = 2.2 mH
MODE = VIN
IL
200 mA/div
IL
200 mA/div
t - Time - 5 ms/div
Figure 41. AC â Load Regulation Performance 2.5V VOUT
PFM Mode
VOUT = 1.8 V
50 mV/div
VIN = 3.6 V
COUT = 4.7 mF
L = 2.2 mH
MODE = GND
IOUT = 5 mA to 150 mA, 50 kHz
sinusoidal 100 mA/div
IL
200 mA/div
t - Time - 5 ms/div
Figure 42. AC â Load Regulation Performance 2.5V VOUT
PWM Mode
VOUT = 2.5 V
50 mV/div
IOUT = 5 mA to 200 mA
100 mA/div
VIN = 3.6 V
COUT = 4.7 mF
L = 1 mH
MODE = GND
IL
200 mA/div
t - Time - 4 ms/div
Figure 43. AC â Load Regulation Performance 1.8V VOUT
PFM Mode
t - Time - 5 ms/div
Figure 44. Load Transient Response 5mA to 200mA PFM to
PWM Mode, VOUT 2.5V
Copyright © 2009â2010, Texas Instruments Incorporated
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