LM340 datasheet(11/20 Pages) ONSEMI

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LM340, A Series

MOTOROLA ANALOG IC DEVICE DATA

LM340–18

ELECTRICAL CHARACTERISTICS (Vin = 27 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

17.3

18.7

Vdc

Line Regulation

21.5 Vdc to 33 Vdc

21 Vdc to 33 Vdc (TJ = +25°C)

24 Vdc to 30 Vdc, IO = 1.0 A

21 Vdc to 33 Vdc, IO = 1.0 A (TJ = +25°C)

Regline

–

180

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

–

180

Output Voltage

≤ Vin ≤ 33 Vdc, 5.0 mA ≤ IO ≤ 1.0 A, PD ≤ 15 W

17.1

–

18.9

Vdc

Quiescent Current

IO = 1.0 A

TJ = +25°C

–

4.0

8.5

8.0

Quiescent Current Change

≤ Vin ≤ 33 Vdc, IO = 500 mA

5.0 mA

≤ IO ≤ 1.0 A, Vin = 27 V

≤ Vin ≤ 33 Vdc, IO = 1.0 A

∆IB

–

1.0

0.5

1.0

Ripple Rejection

IO = 1.0 mA (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

–

500

–

Output Noise Voltage (TA = +25°C)

10 Hz

≤ f ≤ 100 kHz

–

110

–

µV

Average Temperature Coefficient of Output Voltage

IO = 5.0 mA

TCVO

–

±2.3

–

mV/

°C

Peak Output Current (TJ = +25°C)

–

2.4

–

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

IO = 1.0 A

–

Vdc

NOTE: 1. Tlow to Thigh = 0° to +125°C

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