LM2931A datasheet(3/8 Pages) FAIRCHILD

No. de pieza	LM2931A

Descripción Electrónicos	Low Dropout Voltage Regulator

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Fabricante Electrónico	FAIRCHILD [Fairchild Semiconductor]

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LM2931A

3

Typical Perfomance Characteristics

Figure 1. Output Voltage vs. Input Voltage

Figure 3. Ripple Rejection vs. Output Voltage

Figure 5. Output Voltage vs. Temperature(Tj)

Figure 2. Quiescent Current vs. Input Voltage

Figure 4. Drop Voltage vs. Output Current

Figure 6. Quiescent Current vs. Temperature(Tj)

FIG.1

Output Voltage

vs.

Input Voltage

Input voltage Vin (V)

6

5

4

3

2

1

7

0

5

10

15

FIG.3

Ripple Rejection

vs. Output Voltage

Output Current (㎃)

90

85

75

65

0

20

40

60

80

100

VIN = 14V

VOUT = 5.0V

f = 120 ㎐

TJ = 25 ℃

FIG.5 Output Voltage

vs.

Temperature(Tj)

Temperature Tj(℃)

5.04

5.02

5.00

5.06

-25

75

125

025

50

100

4.96

4.94

4.92

4.98

FIG.2

Quiescent

vs.

Input Voltage

Input voltage Vin (V)

10

8.0

6.0

4.0

2.0

0

RL= 50 Ω

0

10

20

30

40

50

RL= 500 Ω

Output Current (㎃)

FIG.4

Drop Voltage

vs. Output Current

120

240

200

160

120

0

80

40

80

20

40

60

100

0

VIN = 14V

△ VOUT = 100 ㎷

TJ = 25 ℃

FIG.6

Quiescent Current

vs. Temperature(Tj)

Junction temperature Tj(℃)

1

0.8

0.6

0.4

0.2

0

75

125

025

50

100

-25

Número de pieza similar - LM2931A

Fabricante Electrónico	No. de pieza	Datasheet	Descripción Electrónicos
ON Semiconductor	LM2931ACD	308Kb / 16P	LOW DROPOUT VOLTAGE REGULATORS 1997 Rev 4
Motorola, Inc	LM2931ACD	311Kb / 16P	Low Dropout Voltage Regulators
ON Semiconductor	LM2931ACD	254Kb / 23P	100 mA, Adjustable Output, LDO Voltage Regulator with 60 V Load Dump Protection March, 2007 ??Rev. 20
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	LM2931ACD2T	308Kb / 16P	LOW DROPOUT VOLTAGE REGULATORS 1997 Rev 4

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Número de pieza similar - LM2931A

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