LM1946M datasheet(2/12 Pages) NSC

부품명	LM1946M

상세설명	LM1946 Over/Under Current Limit Diagnostic Circuit

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제조업체	NSC [National Semiconductor (TI)]

홈페이지	http://www.national.com

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2 / 12 page

Absolute Maximum Ratings

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Supply Voltage (VCC and Input Pins)

Survival Voltage (T s 100 ms)

b

50V to a60V

Operational Voltage

9V to 26V

Internal Power Dissipation (Note 1)

Internally Limited

Output Short Circuit to Ground or VCC

Continuous

Operating Temperature Range (TA)

b

40 Cto a85 C

Maximum Junction Temperature

a

150 C

Storage Temperature Range

b

65 Cto a150 C

Lead Temperature (Soldering 10 sec)

a

260 C

ESD Susceptibility (Note 3)

600V

Electrical Characteristics 9V s VCC s 16V Iset e 20 mA Tj e 25 C (unless otherwise specified)

Parameter

Conditions

Min

Typ

Max

Units

Quiescent Current

All Outputs ‘‘Off’’

140

300

mAdc

Reference Voltage

Iref e 10 mA

58

64

70

Vdc

Reference Voltage

9V s VCC s 16V Iref e 10 mA

g

5

g

50

mVdc

Line Regulation

Iset Voltage

Iset e 20 mA

120

140

160

Vdc

Input Offset Voltage

At Output Switch Point VO e 2V

g

10

g

50

mVdc

9V s VCM s 16V

Input Offset Current

IIN(a) b IIN(b) 9V s VCM s 16V

g

010

g

100

m

Adc

Input Bias Current

IIN(a) or IIN(b) 9V s VCM s 16V

1800

2000

2200

m

Adc

Input Common Mode

400

260

Vdc

Voltage Range

Maximum Positive

Either Input T s 100 ms

60

70

V

Input Transient

Maximum Negative

Either Input T s 100 ms

b

50

b

60

V

Input Transient

Output Saturation

IO e 2 mA 9V s VCC s 16V

080

100

Vdc

Voltage

IO e 10 mA 9V s VCC s 16V

100

120

Vdc

Output Short Circuit

VO e 0Vdc Comparator ‘‘ON’’

20

45

1200

mAdc

Current

Output Leakage Current

VO e 0Vdc Comparator ‘‘Off’’

001

100

m

Adc

Test Threshold

At Switch Point on Any Output

080

125

200

Vdc

Voltage

VO e 2V (Note 2)

Test Threshold

02

m

Adc

Current

Note 1

Thermal resistance from junction to ambient is typically 53 CW (board mounted)

Note 2

The test pin is an active high input ie all five will be forced high when this pin is driven high

Note 3

CESD e 100 pF RESD e 15k

2

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LM1946M 데이터시트(PDF) 2 Page - National Semiconductor (TI)

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