LM340AT 查看數據表（PDF） - Motorola => Freescale

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LM340AT

THREE–TERMINAL POSITIVE FIXED VOLTAGE REGULATORS

Motorola => Freescale 

LM340, A Series

LM340A–15

ELECTRICAL CHARACTERISTICS (Vin = 23 V, IO = 1.0 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

14.7

15

15.3

Line Regulation

17.9 Vdc to 30 Vdc, IO = 500 mA

17.5 Vdc to 30 Vdc (TJ = +25°C)

20 Vdc to 26 Vdc, IO = 1.0 A

20 Vdc to 26 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

17.9 ≤ Vin ≤ 30 Vdc, 5.0 mA ≤ IO ≤ 1.0 A, PD ≤ 15 W

Regline

–

–

–

–

–

22

4.0

22

–

30

–

10

Regload

–

–

–

–

75

12

35

–

21

VO

14.4

–

15.6

Quiescent Current

TJ = +25°C

IB

–

–

6.5

–

3.5

6.0

Quiescent Current Change

5.0 mA ≤ IO ≤ 1.0 A, Vin = 23 V

17.9 ≤ Vin ≤ 30 Vdc, IO = 500 mA

17.9 ≤ Vin ≤ 30 Vdc, IO = 1.0 A (TJ = +25°C)

Ripple Rejection

18.5 ≤ Vin ≤ 28.5 Vdc, f = 120 Hz

IO = 500 mA

IO = 1.0 A (TJ = +25°C)

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

∆IB

–

–

0.5

–

–

0.8

–

–

0.8

RR

60

–

–

60

70

–

VI – VO

–

1.7

–

rO

–

2.0

–

ISC

–

800

–

Vn

–

90

–

Average Temperature Coefficient of Output Voltage

IO = 5.0 mA

TCVO

–

±1.8

–

Peak Output Current (TJ = +25°C)

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

NOTE: 1. Tlow to Thigh = 0° to +125°C

IO

–

2.4

–

17.5

–

–

Unit

Vdc

mV

mV

Vdc

mA

mA

dB

Vdc

mΩ

A

µV

mV/°C

A

Vdc

10

MOTOROLA ANALOG IC DEVICE DATA

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