參數(shù)資料
型號: TPS62420DRCR
廠商: TEXAS INSTRUMENTS INC
元件分類: 穩(wěn)壓器
英文描述: 1.61 A DUAL SWITCHING CONTROLLER, 2500 kHz SWITCHING FREQ-MAX, PDSO10
封裝: 3 X 3 MM, GREEN, PLASTIC, SON-10
文件頁數(shù): 4/37頁
文件大?。?/td> 1020K
代理商: TPS62420DRCR
VOUT =1.8V
IOUT =20mA
VOUT 20mV/Div
EnteringPFMMode
Voltagepositioningactive
ForcedPWM
Mode
MODE/DATA 1V/Div
EnablePowerSaveMode
Timebase-20 s/Div
m
IOUT=60mA
IOUT1=540mA
VOUT =1.575V
50mV/Div
Voltagepositioning inPFM
Modereduces voltage drop
duringloadstep
IOUT 200mA/Div
MODE/DATA =low
PWMModeoperation
Timebase-100 s/Div
m
IOUT=60mA
IOUT1=540mA
VOUT =1.575V
50mV/Div
IOUT 200mA/Div
MODE/DATA =high
PWMModeoperation
Timebase-100 s/Div
m
VIN1V/Div
VOUT 1.575
IOUT 200mA
VIN3.6Vto4.6V
VOUT 50mV/Div
MODE/DATA =high
Timebase-400 s/Div
m
SLVS676C – JUNE 2006 – REVISED JUNE 2010
www.ti.com
FORCED PWM/PFM MODE TRANSITION
LOAD TRANSIENT RESPONSE PFM/PWM
Figure 17.
Figure 18.
LOAD TRANSIENT RESPONSE PWM OPERATION
LINE TRANSIENT RESPONSE
Figure 19.
Figure 20.
12
Copyright 2006–2010, Texas Instruments Incorporated
Product Folder Link(s): TPS62420 TPS62421
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