8182 Просмотр технического описания (PDF) - Allegro MicroSystems
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8182 Datasheet PDF : 9 Pages
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8182
LOW-DROPOUT,
3 V REGULATOR
ELECTRICAL CHARACTERISTICS at TA = +25°C (unless otherwise noted).
Limits
Characteristic
Symbol Test Conditions
Min.
Typ.
Max.
Output Voltage
VO
4 V ≤ VI ≤ 8 V,
TA = +25°C
10 µA ≤ IO ≤ 100 mA -20°C ≤ TA ≤ +85°C
VI = 3 V, IO = 60 mA, -20°C ≤ TA ≤ +85°C
Output Volt. Temp. Coeff.
αVO
VI = 6 V, IO = 10 mA
Line Regulation
∆VO(∆VI)
6 V ≤ VI ≤ 8 V, IO = 1 mA
4 V ≤ VI ≤ 6 V, IO = 1 mA
Load Regulation
∆VO(∆IO)
1 mA ≤ IO ≤ 100 mA, VI = 8 V
1 mA ≤ IO ≤ 100 mA, VI = 6 V
1 mA ≤ IO ≤ 100 mA, VI = 4 V
Dropout Voltage
VImin - VO IO = 60 mA
IO = 125 mA*
Quiescent Current
IQ
VI = 6 V, 1 mA ≤ IO ≤ 100 mA, VE ≥ 2.0 V
(GND terminal current)
VI = 8 V, 1 mA ≤ IO ≤ 100 mA, VE ≥ 2.0 V
IQ(off)
4 V ≤ VI ≤ 8 V, VE ≤ 0.8 V
ENABLE Input Voltage
VEH
4 V ≤ VI ≤ 8 V,
Output ON
VEL
-20°C ≤ TA ≤ +85°C Output OFF
ENABLE Input Current
IE
TA ≤ +85°C, VE = VI = 8 V
COMP Threshold Voltage
VC(t)
4 V ≤ VI ≤ 8 V, VC increasing from 0
COMP Threshold Volt. TC
αVC
4 V ≤ VI ≤ 8 V
COMP Threshold Hys.
VC(hys)
4 V ≤ VI ≤ 8 V
COMP Input Current
IC
0 V ≤ VC ≤ VO
COMP Input Current TC
αIC
4 V ≤ VI ≤ 8 V
RESET Leakage Current
IOR
VOR = VI = 10 V, TA = +85°C
RESET Output Voltage
VOR
IOR = 500 µA
Thermal Shutdown Temp.
TJ
Thermal Resistance
RθJA
Mounted on 2.24" x 2.24" solder-coated
copper-clad board in still air
Typical values are at TA = +25°C and are given for circuit design information only.
* Pulse test (≤50 ms). See previous page for duty cycle limitations.
2.95
2.90
2.70
—
—
—
—
—
—
—
—
—
—
—
2.0
—
—
1.20
—
12
—
—
—
—
150
—
3.00
3.00
—
—
7.0
5.5
12
11
8.0
85
175
46
50
0.05
—
—
—
1.23
—
34
-25
-0.5
—
100
—
108
3.05
3.10
—
±0.5
14
11
30
25
20
150
TBD
60
65
1.0
—
0.8
±0.1
1.30
±0.5
50
TBD
-2.5
2.0
400
—
—
Units
V
V
V
mV/°C
mV
mV
mV
mV
mV
mV
mV
µA
µA
µA
V
V
µA
V
mV/°C
mV
nA
nA/°C
µA
mV
°C
°C/W
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