XRP6274 Datasheet, PDF (5/11 Pages) Exar Corporation – 2A Ultra Low Dropout Voltage Regulator

XRP6274
2A Ultra Low Dropout Voltage Regulator
TYPICAL PERFORMANCE CHARACTERISTICS
All data taken at VIN = VOUT+0.5V, TJ = TA = 25°C, unless otherwise specified - Schematic and BOM from Application Information
section of this datasheet.
0.610
0.605
VIN, 1V/Div
0.600
0.595
VOUT, 0.5V/Div
0.590
0.00 0.50 1.00 1.50 2.00 2.50 3.00
IOUT (A)
Fig. 4: VADJ versus IOUT, 1.5VIN, 1VOUT
IOUT, 2A/Div
2ms/Div
Fig. 5: Short-circuit, 1.5VIN, 1VOUT
VOUT, 50mV/Div
AC coupled
67mV undershoot
IOUT,
1A/Div
∆i/∆t=2A/us
40us/Div
Fig. 6: Transient response, 20mA-3A, 1.5VIN, 1VOUT
VOUT, 50mV/Div
AC coupled
40mV undershoot
∆i/∆t=2A/us
IOUT, 1A/Div
20us/Div
Fig. 7: Transient response, 1A-3A, 1.5VIN, 1VOUT
1.0
0.8
0.6
0.4
0.2
0.0
-40 -20 0 20 40 60 80 100 120
Tj (°C)
Fig. 8: Enable threshold versus temperature
© 2015 Exar Corporation
5/11
Rev. 2.0.0