Linear Voltage Regulator – 7809AC

Absolute Maximum Ratings1

PARAMETER

SYMBOL

VALUE

UNIT

Rev 1.1

19/02/24

Input Voltage

VIN

36

V

Power Dissipation

2

PD

Internally Limited

W

Operating Temperature Range

-

-55 to 150

°C

Maximum Junction Temperature

TJ

150

°C

Storage Temperature

TSTG

-65 to 150

°C

PARAMETER

SYMBOL

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNITS

TJ = 25°C, IOUT = 1A

8.82

9.0

9.18

Output Voltage

VOUT

5mA ≤ IOUT ≤ 1A,

11.5V ≤ VIN ≤ 24V, PD ≤ 15 Watts

8.65

9.0

9.35

9.35

11.5V ≤ VIN ≤ 26V

-

-

180

12V ≤ VIN ≤ 17V, IOUT = 1A

-

-

90

Line Regulation

ΔVOUT

11.5V ≤ VIN ≤ 24V, IOUT =1A,TJ=25°C

-

-

180

5mA ≤ IOUT ≤ 1.5A, TJ = 25°C

-

-

180

5mA ≤ IOUT ≤ 1A

-

-

180

Load Regulation

ΔVOUT

250mA ≤ IOUT ≤ 750mA

-

-

90

mV

Input Bias Current

IB

-

3.3

6

mA

11.5V ≤ VIN ≤ 26V

-

-

0.8

11.5V ≤ VIN ≤ 24V, IOUT =1A,TJ=25°C

-

-

0.8

Input Bias Current

Change

ΔIB

5mA ≤ IOUT ≤ 1A

-

-

0.5

mA

Output Noise

Voltage

Vn

10Hz ≤ f ≤ 100KHz, TJ = 25°C

-

10

-

µV/VOUT

Ripple Rejection

RR

11.5V ≤ VIN ≤ 21.5V, f = 120Hz,

-

71

-

dB

Dropout Voltage

VIN – VOUT

IOUT = 1A, TJ = 25°C

-

2

-

V

Output Resistance

rOUT

f = 1 kHz, IOUT = 1A

-

1.0

-

mΩ

Short-Circuit

Current Limit

ISC

VIN = 35V, TA = 25°C

-

0.2

-

A

Peak Output Current

IMAX

TJ = 25°C

-

2.2

-

A

Avg. Output Voltage

Temp. Coefficient

TCVOUT

-

-0.5

-

mV/°C

1. Operation above the absolute maximum rating may cause device failure. Operation at the absolute maximum ratings, for extended

periods, may reduce device reliability. 2. Results in die form are dependent on die attach & assembly method. Max power dissipation is

internally limited by the die.

MIN

MAX

UNIT

Input Voltage

VIN

7

25

V

Output Current

IOUT

-

1.5

A

Operating Temperature Range

TJ

-55

125

°C

Recommended Operating Conditions

DC Electrical Characteristics, V

l =15V, lOUT=500mA,CI=0.33µF, CO=0.1µf, TMIN≤TJ≤TMAX(unless noted otherwise)

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