XRP6274 Datasheet, PDF (6/11 Pages) Exar Corporation – 2A Ultra Low Dropout Voltage Regulator

XRP6274
2A Ultra Low Dropout Voltage Regulator
VIN, 1V/Div
VOUT, 0.5V/Div
PGOOD, 1V/Div
IOUT, 2A/Div
4ms/Div
Fig. 9:Powerup, IOUT=3A, 1.5VIN, 1VOUT
EN, 2V/Div
VOUT, 0.5V/Div
PGOOD, 1V/Div
IOUT, 2A/Div
2ms/Div
Fig. 11: Enable turn on/off, 3A, 1.5VIN, 1VOUT
VIN, 1V/Div
VOUT, 0.5V/Div
PGOOD, 1V/Div
IOUT, 2A/Div
2ms/Div
Fig. 10: Powerdown, IOUT=3A, 1.5VIN, 1VOUT
RIPPLE
REJECTION (dB)
COUT=47uF
Dotted =100mVp-p RIPPLE
Non-dotted=200mVp-p RIPPLE
Fig. 12: PSRR, 50mA, 1.5VIN, 1VOUT, 47uF COUT
VIN, 1V/Div
VOUT, 0.5V/Div
IOUT,
2A/Div
2ms/Div
Fig. 13: Current limit, 1.5VIN, 1VOUT
© 2015 Exar Corporation
6/11
Rev. 2.0.0