LM340 datasheet(6/20 Pages) MOTOROLA | THREE TERMINAL POSITIVE FIXED VOLTAGE REGULATORS

6 page

LM340, A Series

MOTOROLA ANALOG IC DEVICE DATA

LM340–8.0

ELECTRICAL CHARACTERISTICS (Vin = 14 V, IO = 500 mA, TJ = Tlow to Thigh [Note 1], unless otherwise noted.)

Characteristics

Symbol

Min

Typ

Max

Unit

Output Voltage (TJ = +25°C)

IO = 5.0 mA to 1.0 A

7.7

8.0

8.3

Vdc

Line Regulation

11 Vdc to 23 Vdc

10.5 Vdc to 25 Vdc (TJ = +25°C)

11 Vdc to 17 Vdc, IO = 1.0 A

10.5 Vdc to 23 Vdc, IO = 1.0 A (TJ = +25°C)

Regline

–

Load Regulation

5.0 mA

≤ IO ≤ 1.0 A

5.0 mA

≤ IO ≤ 1.5 A (TJ = +25°C)

250 mA

≤ IO ≤ 750 mA (TJ = +25°C)

Regload

–

Output Voltage

10.5

≤ Vin ≤ 23 Vdc, 5.0 mA ≤ IO ≤ 1.0 A, PD ≤ 15 W

7.6

–

8.4

Vdc

Quiescent Current

IO = 1.0 A

TJ = +25°C

–

4.0

8.5

8.0

Quiescent Current Change

10.5

≤ Vin ≤ 25 Vdc, IO = 500 mA

5.0 mA

≤ IO ≤ 1.0 A, Vin = 14 V

10.6

≤ Vin ≤ 23 Vdc, IO = 1.0 A

∆IB

–

1.0

0.5

1.0

Ripple Rejection

IO = 1.0 A (TJ = +25°C)

–

Dropout Voltage

VI – VO

–

1.7

–

Vdc

Output Resistance (f = 1.0 kHz)

–

2.0

–

Ω

Short Circuit Current Limit (TJ = +25°C)

ISC

–

1.5

–

Output Noise Voltage (TA = +25°C)

10 Hz

≤ f ≤ 100 kHz

–

µV

Average Temperature Coefficient of Output Voltage

IO = 5.0 mA

TCVO

–

±1.0

–

mV/

°C

Peak Output Current (TJ = +25°C)

–

2.4

–

Input Voltage to Maintain Line Regulation (TJ = +25°C)

IO = 1.0 A

10.5

–

Vdc

NOTE: 1. Tlow to Thigh = 0° to +125°C

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