LM2940-10-AA3-R 데이터 시트보기 (PDF) - Unisonic Technologies

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LM2940-10-AA3-R

1A LOW-DROPOUT POSITIVE VOLTAGE REGULATOR

Unisonic Technologies 

LM2940

LINEAR INTEGRATED CIRCUIT

ABSOLUTE MAXIMUM RATINGS

PARAMETER

SYMBOL

RATINGS

UNIT

Input Voltage

VIN

26

V

Power Dissipation

PD

Internally limited

Junction Temperature

TJ

+150

°C

TO-220/TO-263-3/TO-263

-40 ~ +125

°C

Operating Temperature

SOT-223

TOPR

-40 ~ +85

°C

Storage temperature

TSTG

-65 ~ +150

°C

Note Absolute maximum ratings are those values beyond which the device could be permanently damaged.

Absolute maximum ratings are stress ratings only and functional device operation is not implied.

ELECTRICAL CHARACTERISTICS

(Ta=TJ =25°C, VIN=VOUT+5V, IOUT=1A and COUT=22µF, unless otherwise specified.)

For LM2940-5.0V

PARAMETER

Output Voltage

Line Regulation

Load Regulation

Output Impedance

Quiescent Current

Output Noise Voltage

Ripple Rejection

SYMBOL

TEST CONDITIONS

VOUT

△VOUT

△VOUT

6.25V ≤ VIN ≤ 26V, 5mA ≤ IOUT ≤ 1A

VOUT+2V ≤ VIN ≤ 26V, IOUT=5mA

50mA ≤ IOUT ≤ 1A

Ro 100 mA DC and 20mArms, fo=120Hz

IQ

VOUT+2V ≤ VIN ≤ 26V, IOUT=5mA

eN 10Hz-100kHz, IOUT=5mA

RR fo=120Hz, 1Vrms, IOUT=100mA

Long Term Stability

Dropout Voltage

Short Circuit Current

Maximum Line Transient

Reverse Polarity DC Input Voltage

Reverse Polarity Transient Input

Voltage

VD

ISC

TIN

VRIN

VTRRI

IOUT=1A

IOUT=100mA

(Note)

Ro=100Ω, T ≤ 100ms

Ro=100Ω

Ro=100Ω, T ≤ 100ms

MIN

4.85

60

1.6

60

-15

-50

TYP

5.00

20

35

35

10

150

72

20

0.5

0.11

1.9

75

-30

-75

MAX UNIT

5.15 V

50 mV

50 mV

mΩ

15 mA

µVrms

dB

mV/

1000Hr

0.8

V

0.15

A

V

V

V

For LM2940-8.0V

PARAMETER

Output Voltage

Line regulation

Load Regulation

Output Impedance

Quiescent Current

Output Noise Voltage

Ripple Rejection

SYMBOL

TEST CONDITIONS

VOUT

△VOUT

△VOUT

9.4V ≤ VIN ≤ 26V, 5mA ≤ IOUT ≤ 1A

VOUT +2V ≤ VIN ≤ 26V, IOUT=5mA

50mA ≤ IOUT ≤1A

Ro 100 mA DC and 20mArms, fo=120Hz

IQ

VOUT +2V ≤ VIN ≤ 26V, IOUT =5mA

eN 10Hz-100kHz, IOUT =5mA

RR fo=120Hz, 1Vrms, IOUT =100mA

Long Term Stability

Dropout Voltage

Short Circuit Current

Maximum Line Transient

Reverse Polarity DC Input Voltage

Reverse Polarity Transient Input

Voltage

VD

ISC

TIN

VRIN

VTRRI

IOUT =1A

IOUT =100mA

(Note)

Ro=100Ω, T ≤ 100ms

Ro=100Ω

Ro=100Ω, T ≤ 100ms

MIN

7.76

54

1.6

60

-15

-50

TYP MAX UNIT

8.00 8.24 V

20 80 mV

55 80 mV

55

mΩ

10 15 mA

240

µVrms

66

dB

mV/

32

1000Hr

0.5 0.8

V

0.11 0.15

1.9

A

75

V

-30

V

-75

V

UNISONIC TECHNOLOGIES CO., LTD

www.unisonic.com.tw

3 of 11

QW-R102-016.E

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