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| XR71211 Datasheet, PDF (2/12 Pages) Exar Corporation – 1.5A Ultra Low Dropout Voltage Regulator | |||
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XR71211
Absolute Maximum Ratings
Stresses beyond the limits listed below may cause perma-
nent damage to the device. Exposure to any Absolute Max-
imum Rating condition for extended periods may affect
device reliability and lifetime.
Input Voltage (VIN, VPGOOD)...........................................+3V
Enable Voltage (VEN).......................................VIN+0.5Vâ¤3V
Storage Temperature..................................-65°C to +150°C
Junction Temperature.................................................150°C
Lead Temperature (Soldering, 5 sec)..........................260°C
ESD Rating (HBM - Human Body Model), All pins..........2kV
Operating Conditions
Input Voltage Range (VIN, VEN, VPGOOD)......1.4V to 2.625V
Junction Temperature Range......................-40°C to +125°C
Thermal Resistance (ï±JA) DFN10..........................40.5°C/W
Electrical Characteristics
Unless otherwise noted: TA = 25°C, VIN = VOUT + 0.5V, IOUT = 20mA, CIN = 10μF, COUT = 22μF. Limits applying over the full
operating temperature range are denoted by a ââ¢â
Symbol
Parameter
VIN
IOUTMAX
IGND
Input Voltage Operating Range
Maximum Output Currenta
Ground Current
ISHDN
VADJ
Shutdown Current
ADJ Pin Voltage
Conditions
EN active
EN active, IOUT = 1.5A
VEN=0V, IOUT=0mA, PGOOD Floating
VIN = 2.5V, VOUT > 1V
VIN = 1.8V
VIN = 1.4V
VDROP
RLOAD
PSRR
VNOISE
ILIMIT
Dropout Voltage
Output Voltage Load Regulation
Power Supply Rejection Ratio
Output Noise Voltage
Current Limit
Reverse Bias Protection VOUT Leak-
age Current
Thermal Shutdown Temperature
Thermal Shutdown Hysteresis
IOUT = 1.5A, VOUT = 1.35Vb
VIN = VOUT + 0.5V, 20mA⤠IOUT ⤠1.5A
f > 300kHz
10Hz to 100kHz
VOUT = 0.9 x VOUT(NOM)
VIN = 0V, VOUT = 2.625V
Min
Typ
Max
ï¬
1.4
2.625
ï¬
1.5
2.0
2.5
3.5
12
598.5 601.5 604.5
ï¬
594.0
606.0
597.0 600.0 603.0
ï¬
592.0
605.0
596.0 599.0 602.0
ï¬
590.7
604.0
ï¬
250
0.2
30
200
ï¬
1.6
3.2
-10
Units
V
A
mA
mA
μA
mV
mV
mV
mV
mV
mV
mV
%
dB
μVRMS
A
μA
160
°C
30
°C
© 2014 Exar Corporation
2 / 12
exar.com/XR71211
Rev 1B
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