8184 Просмотр технического описания (PDF) - Allegro MicroSystems
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8184 Datasheet PDF : 8 Pages
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8184
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
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 (≤20 ms). See previous page for duty cycle limitations.
2.95
2.90
2.70
—
—
—
—
—
—
—
—
—
—
150
—
3.00
3.00
—
—
4.0
9.5
19
14
8.0
90
190
45
50
—
258
3.05
3.10
—
±1.0
10
18
30
25
20
150
300
60
65
—
—
Units
V
V
V
mV/°C
mV
mV
mV
mV
mV
mV
mV
µA
µA
°C
°C/W
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