TPS63030中文资料(3)

元器件交易网

SLVS696–OCTOBER2008

ELECTRICALCHARACTERISTICS

overrecommendedfree-airtemperaturerangeandoverrecommendedinputvoltagerange(typicalatanambienttemperaturerangeof25°C)(unlessotherwisenoted)

DC/DCSTAGE

PARAMETER

VIVIVIVOVFBfISW

Inputvoltagerange

MinimuminputvoltageforstartupMinimuminputvoltageforstartupTPS63030outputvoltagerange

MinimumdutycycleinstepdownconversionTPS63030feedbackvoltageTPS63031outputvoltageOscillatorfrequency

FrequencyrangeforsynchronizationAverageswitchcurrentlimitHighsideswitchonresistanceLowsideswitchonresistanceMaximumlineregulationMaximumloadregulation

Iq

Quiescentcurrent

VINandVINAVOUT

IO=0mA,VEN=VIN=VINA=3.6V,VOUT=3.3VVEN=HIGH

VEN=0V,VIN=VINA=3.6VVINAvoltagedecreasing

1.41.2

ClampedonGNDorVINA

0.0114020

0.1

VIN=VINA=3.6V,TA=25°CVIN=VINA=3.6VVIN=VINA=3.6VPS/SYNC=VIN

4953.26722002200900

0°C≤TA≤85°C

TESTCONDITIONS

MIN1.81.61.61.2

30%5003.32400240010002002000.5%0.5%25410.11.5

0.91.60.4356

µAµAM µAVVVµA°C°C

1.81.8TYP

MAX5.51.92.05.540%5053.333260026001100

mVVkHzkHzmAm m UNITVVVV

TPS63031FBinputimpedance

ISVUVLOVILVIH

Shutdowncurrent

UndervoltagelockoutthresholdEN,PS/SYNCinputlowvoltageEN,PS/SYNCinputhighvoltageEN,PS/SYNCinputcurrentOvertemperatureprotectionOvertemperaturehysteresis

CONTROLSTAGE