8182 datasheet(3/8 Pages) ALLEGRO

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8182

LOW-DROPOUT,

3 V REGULATOR

ELECTRICAL CHARACTERISTICS at T

A = +25°C (unless otherwise noted).

Limits

Characteristic

Symbol

Test Conditions

Min.

Typ.

Max.

Units

Output Voltage

4 V

≤ V

I ≤ 8 V,

A = +25°C

2.95

3.00

3.05

µA ≤ I

O ≤ 100 mA

-20

°C ≤ T

A ≤ +85°C

2.90

3.00

3.10

I = 3 V, IO = 60 mA, -20°C ≤ TA ≤ +85°C

2.70

—

Output Volt. Temp. Coeff.

I = 6 V, IO = 10 mA

—

±0.5

mV/

°C

Line Regulation

∆V

∆VI)

6 V

≤ V

I ≤ 8 V, IO = 1 mA

—

7.0

4 V

≤ V

I ≤ 6 V, IO = 1 mA

—

5.5

Load Regulation

∆V

∆IO)

1 mA

≤ I

O ≤ 100 mA, VI = 8 V

—

1 mA

≤ I

O ≤ 100 mA, VI = 6 V

—

1 mA

≤ I

O ≤ 100 mA, VI = 4 V

—

8.0

Dropout Voltage

Imin - VO

O = 60 mA

—

150

O = 125 mA*

—

175

TBD

Quiescent Current

I = 6 V, 1 mA ≤ IO ≤ 100 mA, VE ≥ 2.0 V

—

µA

(GND terminal current)

I = 8 V, 1 mA ≤ IO ≤ 100 mA, VE ≥ 2.0 V

—

µA

Q(off)

4 V

≤ V

I ≤ 8 V, VE ≤ 0.8 V

—

0.05

1.0

µA

ENABLE Input Voltage

4 V

≤ V

I ≤ 8 V,

Output ON

2.0

—

-20

°C ≤ T

A ≤ +85°C

Output OFF

—

0.8

ENABLE Input Current

A ≤ +85°C, VE = VI = 8 V

—

±0.1

µA

COMP Threshold Voltage

C(t)

4 V

≤ V

I ≤ 8 V, VC increasing from 0

1.20

1.23

1.30

COMP Threshold Volt. TC

4 V

≤ V

I ≤ 8 V

—

±0.5

mV/

°C

COMP Threshold Hys.

C(hys)

4 V

≤ V

I ≤ 8 V

COMP Input Current

0 V

≤ V

C ≤ VO

—

-25

TBD

COMP Input Current TC

4 V

≤ V

I ≤ 8 V

—

-0.5

-2.5

nA/

°C

RESET Leakage Current

OR = VI = 10 V, TA = +85°C

—

2.0

µA

RESET Output Voltage

OR = 500 µA

—

100

400

Thermal Shutdown Temp.

150

—

°C

Thermal Resistance

RθJA

Mounted on 2.24" x 2.24" solder-coated

—

108

—

°C/W

copper-clad board in still air

Typical values are at T

A = +25°C and are given for circuit design information only.

* Pulse test (

≤50 ms). See previous page for duty cycle limitations.

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