LM340AT View Datasheet(PDF) - Motorola => Freescale

Part Name

Description

MFG CO.

LM340AT

THREE–TERMINAL POSITIVE FIXED VOLTAGE REGULATORS

Motorola => Freescale 

LM340, A Series

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

Output Voltage (TJ = +25°C)

IO = 5.0 mA to 1.0 A

VO

7.7

8.0

8.3

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)

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)

Output Voltage

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

Regline

–

–

–

–

–

80

–

80

–

40

–

80

Regload

–

–

–

–

80

–

80

–

40

VO

7.6

–

8.4

Quiescent Current

IO = 1.0 A

TJ = +25°C

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

Ripple Rejection

IO = 1.0 A (TJ = +25°C)

IB

–

–

8.5

–

4.0

8.0

∆IB

–

–

1.0

–

–

0.5

–

–

1.0

RR

56

76

–

Dropout Voltage

Output Resistance (f = 1.0 kHz)

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

Output Noise Voltage (TA = +25°C)

10 Hz ≤ f ≤ 100 kHz

VI – VO

–

1.7

–

rO

–

2.0

–

ISC

–

1.5

–

Vn

–

52

–

Average Temperature Coefficient of Output Voltage

IO = 5.0 mA

TCVO

–

±1.0

–

Peak Output Current (TJ = +25°C)

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

IO = 1.0 A

IO

–

2.4

–

10.5

–

–

NOTE: 1. Tlow to Thigh = 0° to +125°C

Unit

Vdc

mV

mV

Vdc

mA

mA

dB

Vdc

mΩ

A

µV

mV/°C

A

Vdc

6

MOTOROLA ANALOG IC DEVICE DATA

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