AS1376
Datasheet - Electrical Characteristics
6 Electrical Characteristics
VIN = VOUT + 0.2V, VBIAS = VOUT + 1.5V (or 2.5V whichever is larger), EN = VBIAS, CIN = COUT = 1µF, CBIAS = 4.7µF, TAMB = -40ºC to
+85ºC. Typical values are at TAMB = +25ºC (unless otherwise specified).
Table 3. Electrical Characteristics
Symbol
TAMB
VIN
Parameter
Operating Temperature Range
Input Voltage
Conditions
Min
-40
0.7
2.5
Typ
Max
+85
3.6
Units
°C
V
VBIAS
Bias Supply Voltage
5.5
V
Available in 100mV steps
(see Ordering Information on page 18)
VOUT
Output Voltage
0.5
3.3
V
IOUT = 100µA
IOUT = 0A to 1A
IOUT = 100µA
IOUT = 0A to 1A
-1.5
-2
+1.5
+2
VOUT(NOM)
- VOUT
Output Voltage Accuracy
%
492
490
500
500
508
510
Feedback Voltage1
VFB
mV
VOUT /
VIN
µV/V
Line Regulation VIN
IOUT = 100µA
40
VOUT /
VBIAS
Line Regulation VBIAS
IOUT = 100µA
135
µV/V
VLDR
IOUT
ILIM
Load Regulation
IOUT = 1mA to 1A
0.0002
%/mA
Output Current2
Current Limit
1
A
A
VOUT forced to 90% of nominal VOUT
VBIAS = VOUT + 1.5V, IOUT = 1A
VBIAS = VOUT + 1.8V, IOUT = 1A
VBIAS = VOUT + 2.1V, IOUT = 1A
VBIAS = 5.5V, IOUT = 1A
IOUT = 500mA
1.35
120
115
110
105
0.85
1.1
65
mV
mV
VDROP -VIN
Output Voltage Dropout VIN
VDROP -
VBIAS
Output Voltage Dropout VBIAS
IOUT = 1A
V
µVRMS
En
Output Voltage Noise
f = 10Hz to 100kHz, IOUT = 1mA
f = 100Hz, IOUT = 10mA
f = 1kHz, IOUT = 10mA
78
Power-Supply Rejection Ratio
61
Sine modulated VIN
PSRR - VIN
dB
dB
f = 10kHz, IOUT = 10mA
f = 100kHz, IOUT = 10mA
f = 100Hz, IOUT = 10mA
f = 1kHz, IOUT = 10mA
54
60
69
Power-Supply Rejection Ratio
51
PSRR -
VBIAS
Sine modulated VBIAS
f = 10kHz, IOUT = 10mA
f = 100kHz, IOUT = 10mA
45
45
IQ_VBIAS
IQ_VIN
Quiescent Current into VBIAS
Quiescent Current into VIN
60
120
8
µA
µA
IOUT = 0mA
VEN = 0V
6.5
ISHDN -
VBIAS
Shutdown Current into VBIAS
Shutdown Current into VIN
0.02
0.02
ISHDN -
VIN
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