LM2937ES-3.3SLASHNOPB datasheet(3/19 Pages) TI1

tên linh kiện	LM2937ES-3.3/NOPB

Giải thích chi tiết về linh kiện	LM2937-2.5, LM2937-3.3 400mA and 500mA Voltage Regulators

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LM2937-2.5, LM2937-3.3

www.ti.com

SNVS015E – FEBRUARY 1998 – REVISED APRIL 2013

Electrical Characteristics

(1)

VIN = VNOM + 5V, IOUTmax = 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)

2.5V

3.3V

Units

Parameter

Conditions

Typ

Limit

Typ

Limit

Output Voltage

5 mA

≤ IOUT ≤ IOUTmax

2.42

3.20

V (Min)

2.5

2.38

3.3

3.14

V(Min)

2.56

3.40

V(Max)

2.62

3.46

V(Max)

Line Regulation(2)

4.75V

≤ VIN ≤ 26V,

7.5

25

9.9

33

mV(Max)

IOUT = 5 mA

Load Regulation

5 mA

≤ IOUT ≤ IOUTmax

2.5

25

3.3

33

mV(Max)

Quiescent Current

7V

≤ VIN ≤ 26V,

2

10

2

10

mA(Max)

IOUT = 5 mA

VIN = (VOUT + 5V),

10

20

10

20

mA(Max)

IOUT = IOUTmax

VIN = 5V, IOUT = IOUTmax

66

100125

66

100125

mA(Max)

Output Noise Voltage

10 Hz–100 kHz,

75

99

μVrms

IOUT = 5 mA

Long Term Stability

1000 Hrs.

10

13.2

mV

Short-Circuit Current

1.0

0.6

1.0

0.6

A(Min)

Peak Line Transient Voltage

tf < 100 ms, RL = 100Ω

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

V(Min)

Reverse Transient Input

tr < 1 ms, RL = 100Ω

−75

−50

−75

−50

V(Min)

Voltage

(1)

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

(2)

The minimum input voltage required for proper biasing of these regulators is 4.75V. Below this level the outputs will fall out of regulation.

This effect is not the normal dropout characteristic where the output falls out of regulation due to the PNP pass transistor entering

saturation. If a value for worst case effective input to output dropout voltage is required in a specification, the values should be 2.37V

maximum for the LM2937-2.5 and 1.6V maximum for the LM2937-3.3.

Submit Documentation Feedback

3

Product Folder Links: LM2937-2.5 LM2937-3.3

Số phần tương tự - LM2937ES-3.3/NOPB

nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
Texas Instruments	LM2937ES-3.3/NOPB	1Mb / 19P	[Old version datasheet] LM2937-2.5, LM2937-3.3 400mA and 500mA Voltage Regulators

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Mô tả tương tự - LM2937ES-3.3/NOPB

nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
Texas Instruments	LM2937ES-3.3	1Mb / 19P	[Old version datasheet] LM2937-2.5, LM2937-3.3 400mA and 500mA Voltage Regulators
Texas Instruments	LM2937-2.5	1Mb / 27P	[Old version datasheet] LM2937 2.5-V and 3.3-V 400-mA and 500-mA Voltage Regulators
National Semiconductor ...	LM2937-25	293Kb / 10P	400mA and 500mA Voltage Regulators
National Semiconductor ...	LM2937-2.5	309Kb / 10P	400mA and 500mA Voltage Regulators
Texas Instruments	LM2937ET-5.0	1Mb / 24P	[Old version datasheet] LM2937 500 mA Low Dropout Regulator
Zetex Semiconductors	ZMR	245Kb / 12P	Fixed 2.5, 3.3 and 5 volt miniature voltage regulators
Zetex Semiconductors	ZMR	252Kb / 12P	Fixed 2.5, 3.3 and 5 volt miniature voltage regulators
Diodes Incorporated	ZMR	187Kb / 7P	FIXED 2.5, 3.3 AND 5 VOLT MINIATURE VOLTAGE REGULATORS
Diodes Incorporated	ZMR250	107Kb / 11P	FIXED 2.5, 3.3 AND 5 VOLT MINIATURE VOLTAGE REGULATORS
List of Unclassifed Man...	LND4808	119Kb / 4P	400mA Low Dropout Voltage Regulators

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