LM2937 datasheet(3/24 Pages) TI

부품명	LM2937

상세설명	Output Current in Excess of 500 mA, Output Trimmed for 5% Tolerance Under all Operating Conditions

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LM2937

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SNVS100E – MARCH 2000 – REVISED APRIL 2013

Electrical Characteristics

VIN = VNOM + 5V

(1) I

OUTmax = 500 mA for the TO-220 and DDPAK/TO-263 packages, IOUTmax=400mA for the SOT-223 package,

COUT = 10 μF unless otherwise indicated. Boldface limits apply over the entire operating temperature range of the

indicated device., all other specifications are for TA = TJ = 25°C.

Output Voltage (VOUT)

5V

8V

10V

Units

Parameter

Conditions

Typ

Limit

Typ

Limit

Typ

Limit

Output Voltage

4.85

7.76

9.70

V(Min)

5.00

4.75

8.00

7.60

10.00

9.50

V(Min)

5 mA

≤ IOUT ≤ IOUTmax

5.15

8.24

10.30

V(Max)

5.25

8.40

10.50

V(Max)

Line Regulation

(VOUT + 2V) ≤ VIN ≤ 26V,

15

50

24

80

30

100

mV(Max)

IOUT = 5 mA

Load Regulation

5 mA

≤ IOUT ≤ IOUTmax

5

50

8

80

10

100

mV(Max)

Quiescent Current

(VOUT + 2V) ≤ VIN ≤ 26V,

2

10

2

10

2

10

mA(Max)

IOUT = 5 mA

VIN = (VOUT + 5V),

10

20

10

20

10

20

mA(Max)

IOUT = IOUTmax

Output Noise Voltage

10 Hz–100 kHz, IOUT = 5 mA

150

240

300

μVrms

Long Term Stability

1000 Hrs.

20

32

40

mV

Dropout Voltage

IOUT = IOUTmax

0.5

1.0

0.5

1.0

0.5

1.0

V(Max)

IOUT = 50 mA

110

250

110

250

110

250

mV(Max)

Short-Circuit Current

1.0

0.6

1.0

0.6

1.0

0.6

A(Min)

Peak Line Transient Voltage

tf < 100 ms, RL = 100Ω

75

60

75

60

75

60

V(Min)

Maximum Operational Input

26

V(Min)

Voltage

Reverse DC Input Voltage

VOUT ≥ −0.6V, RL = 100Ω

−30

−15

−30

−15

−30

−15

V(Min)

Reverse Transient Input

tr < 1 ms, RL = 100Ω

−75

−50

−75

−50

−75

−50

V(Min)

Voltage

(1)

Typicals are at TJ = 25°C and represent the most likely parametric norm.

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