OMNIREL OM2940STM Datasheet

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OMNIREL OM2940STM Datasheet

OM2940STM

0.5 VOLT LOW DROPOUT POSITIVE FIXED VOLTAGE REGULATOR APPROVED TO DESC DRAWING

Three Terminal, Fixed Voltage, 1 Amp

Low Dropout Voltage Regulator In

Hermetic JEDEC TO-257AA Package

FEATURES

Similar To Industry Standard LM2940

Approved To DESC Standardized Military Drawing

Dropout Voltage Typically 0.5 V @ IO = 1 A

Output Current in Excess of 1 A

Reverse Battery Protection

Internal Short Circuit Protection

Isolated Hermetic Package

DESCRIPTION

These three terminal fixed voltage regulators are designed to provide 1.0A with high efficiency. It has the ability to source 1A of output current with a typical dropout voltage of .5V and a maximum of 1V over the entire temperature range. It is supplied in the hermetic TO-257 package and is ideally suited for Military applications where small size and high reliability is required.

ABSOLUTE MAXIMUM RATINGS

Input Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26Vdc Output Voltage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +5V, +12V, +15Vdc Operating Junction Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . - 55°C to + 125°C Storage Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . - 65°C to + 150°C Lead Temperature (Soldering 10 seconds) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 300°C

Thermal Resistance: 3.3

qJC (Isolated) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.2°C/W qJA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42°C/W Maximum Output Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.3 A

PART NUMBER DESIGNATOR

Standard Military Drawing Number

Omnirel Part Number

5962-8958710MUX

OM2940-5STM

5962-9088401MUX

OM2940-12STM

5962-9088501MUX

OM2940-15STM

4 11 R1

3.3 - 97

Supersedes 3 02 R0

3.3

ELECTRICAL CHARACTERISTICS, P/N OM2940-5 (5 Volt)

 

 

 

Test Conditions are -55°C TA

125°C, VIN = 10 V, IO = 1 A, COUT = 22 µF (unless otherwise specified).

 

 

 

Parameter

Symbol

Test Conditions

Notes

Min.

Max.

Unit

 

 

 

Output Voltage

VOUT

VIN = 10 V, IOUT = 5 mA

1

4.85

5.15

V

 

 

 

 

 

2

4.75

5.25

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VIN = 6 V, IOUT = 5 mA

1

4.85

5.15

 

 

 

 

 

 

2

4.75

5.25

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VIN = 7 V, IOUT = 5 mA

1

4.85

5.15

 

 

 

 

 

 

2

4.75

5.25

 

 

 

 

 

 

 

 

 

 

 

 

 

VIN = 26 V, IOUT = 5 mA

1

4.85

5.15

 

 

 

 

 

 

2

4.75

5.25

 

 

 

 

 

 

 

 

 

 

 

 

 

VIN = 10 V, IOUT = 1 A

1

4.85

5.15

 

 

 

 

 

 

2

4.75

5.25

 

 

 

 

 

 

 

 

 

 

 

 

 

VIN = 6 V, IOUT = 1 A

1

4.85

5.15

 

 

 

 

 

 

2

4.75

5.25

 

 

 

 

 

 

 

 

 

 

 

 

 

VIN = 6 V, IOUT = 50 mA

1

4.85

5.15

 

 

 

 

 

 

2

4.75

5.25

 

 

 

 

 

 

 

 

 

 

 

 

 

VIN = 10 V, IOUT = 50 mA

1

4.85

5.15

 

 

 

 

 

 

2

4.75

5.25

 

 

 

 

 

 

 

 

 

 

 

Maximum Line Transient

VLT

VO 6 V, RO = 100 , t = 20 ms

1, 2

40

 

V

 

 

 

Reverse Polarity

VRIN

RO = 100

1, 2

-15

 

 

 

 

 

Input Voltage DC

 

V

 

 

 

 

 

 

 

 

 

 

 

Reverse Polarity

VRIT

RO = 100 , t =20 ms

1, 2

-45

 

 

3

 

 

Input Voltage Transient

 

V

3.

 

 

Quiescent Current

IQ

VIN = 10 V, IOUT = 5 mA

1

 

15

mA

-

 

 

 

 

2

 

20

98

 

 

 

 

VIN = 7 V, IOUT = 5 mA

1

 

15

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2

 

20

 

 

 

 

 

 

VIN = 26 V, IOUT = 5 mA

1

 

15

 

 

 

 

 

 

 

2

 

20

 

 

 

 

 

 

 

 

 

 

 

 

 

VIN = 10 V, IOUT = 1 A

1

 

50

 

 

 

 

 

 

 

2

 

100

 

 

 

 

 

 

 

 

 

 

 

Line Regulation

VRLN

7 V VIN 26 V,

1

 

±40

mV

 

 

 

 

 

IOUT = 5 mA

2

 

±50

 

 

 

 

 

 

 

 

 

 

Load Regulation

VRLD

VIN = 10 V, 50 mA IOUT 1 A

1

 

±50

mV

 

 

 

 

 

2

 

±100

 

 

 

 

 

 

 

 

 

 

 

Dropout Voltage

VDO

IOUT = 1 A

1

 

.7

V

 

 

 

 

 

2

 

1

 

 

 

 

 

 

 

 

 

 

 

 

 

IOUT = 100 mA

1

 

150

mV

 

 

 

 

 

2

 

200

 

 

 

 

 

 

 

 

 

 

 

Output Noise Voltage

VON

VIN = 10 V, IO = 5 mA,

1, 2

 

700

µV rms

 

 

 

 

 

10 Hz - 100 Hz

 

 

 

 

 

 

 

Output Impedance

RO

VIN = 10 V, IOUT = 100 mA dc

1, 2

 

1

 

 

 

 

 

 

and 20 mA ac, fO = 120 Hz

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Short Circuit Current

IOS

VIN = 10 V

1

1.5

 

A

 

 

 

 

 

2

1.3

 

 

 

 

 

 

 

 

 

 

 

 

Ripple Rejection

RR

VIN = 10 V + 1 V rms,

1

60

 

dB

 

 

 

 

 

IOUT = 5 mA, f = 1 kHz

2

50

 

 

 

 

 

 

 

 

Notes: 1. TA = 25°C.

2. Over full operating temperature range.

ELECTRICAL CHARACTERISTICS, P/N OM2940-12 (12 Volt)

Test Conditions are -55°C TA

125°C, VIN = 17 V, IO = 1 A, COUT = 22 µF (unless otherwise specified).

Parameter

Symbol

Test Conditions

Notes

Min.

Max.

Unit

Output Voltage

VOUT

VIN = 17 V, IOUT = 5 mA

1

11.64

12.36

V

 

 

2

11.40

12.60

 

 

 

 

 

 

 

 

 

VIN = 13.6 V, IOUT = 5 mA

1

11.64

12.36

 

 

 

2

11.40

12.60

 

 

 

 

 

 

 

VIN = 14 V, IOUT = 5 mA

1

11.64

12.36

 

 

 

2

11.40

12.60

 

 

 

 

 

 

 

VIN = 26 V, IOUT = 5 mA

1

11.64

12.36

 

 

 

2

11.40

12.60

 

 

 

 

 

 

 

VIN = 17 V, IOUT = 1 A

1

11.64

12.36

 

 

 

2

11.40

12.60

 

 

 

 

 

 

 

VIN = 13.6 V, IOUT = 1 A

1

11.64

12.36

 

 

 

2

11.40

12.60

 

 

 

 

 

 

 

VIN = 13.6 V, IOUT = 50 mA

1

11.64

12.36

 

 

 

2

11.40

12.60

 

 

 

 

 

 

 

VIN = 17 V, IOUT = 50 mA

1

11.64

12.36

 

 

 

2

11.40

12.60

 

 

 

 

 

Maximum Line Transient

VLT

VO 13 V, RO = 100 , t = 20 ms

1, 2

40

 

V

Reverse Polarity

VRIN

RO = 100

1, 2

-15

 

 

Input Voltage DC

 

V

 

 

 

 

 

Reverse Polarity

VRIT

RO = 100 , t =20 ms

1, 2

-45

 

 

Input Voltage Transient

 

V

 

 

 

 

 

Quiescent Current

IQ

VIN = 17 V, IOUT = 5 mA

1

 

15

mA

 

 

2

 

20

 

 

 

 

 

 

 

VIN = 14 V, IOUT = 5 mA

1

 

15

 

 

 

2

 

20

 

 

 

 

 

 

 

 

VIN = 26 V, IOUT = 5 mA

1

 

15

 

 

 

 

2

 

20

 

 

 

 

 

 

 

VIN = 17 V, IOUT = 1 A

1

 

50

 

 

 

 

2

 

60

 

 

 

 

 

Line Regulation

VRLN

14 V VIN 26 V,

1

 

±75

mV

 

 

IOUT = 5 mA

2

 

±120

 

 

 

 

Load Regulation

VRLD

VIN = 17 V, 50 mA IOUT 1 A

1

 

±120

mV

 

 

2

 

±190

 

 

 

 

 

Dropout Voltage

VDO

IOUT = 1 A

1

 

.7

V

 

 

2

 

1

 

 

 

 

 

 

 

IOUT = 100 mA

1

 

150

mV

 

 

2

 

200

 

 

 

 

 

Output Noise Voltage

VON

VIN = 17 V, IO = 5 mA,

1

 

1000

µV rms

 

 

10 Hz - 100 Hz

 

 

 

 

Output Impedance

RO

VIN = 17 V, IOUT = 100 mA dc

1, 2

 

1

 

 

 

and 20 mA ac, fO = 120 Hz

 

 

 

 

 

 

 

 

Short Circuit Current

IOS

VIN = 17 V

1

1.6

 

A

 

 

2

1.3

 

 

 

 

 

 

Ripple Rejection

RR

VIN = 17 V + 1 V rms,

1

52

 

dB

 

 

IOUT = 5 mA, f = 1 kHz

2

46

 

 

 

 

 

Notes: 1. TA = 25°C.

2. Over full operating temperature range.

OM2940STM

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