OM1912STM datasheet(2/4 Pages) ETC2

Part #	OM1912STM

Description	ISOLATED HERMETIC FIXED VOLTAGE NEGATIVE REGULATORS APPROVED TO DESC DRAWINGS

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3.3 - 94

3.3

OM1905STM/NTM - OM1915STM/NTM

ELECTRICAL CHARACTERISTICS -5 Volt

VIN = -10V, Io = 500mA, -55°C TA 125°C (unless otherwise specified)

Parameter

Symbol

Test Conditions

Min.

Max.

Unit

Output Voltage

VOUT

TA = 25°C

-4.95

-5.05

V

VIN = -7.5V to -20V

•

-4.85

-5.15

V

IO = 5mA to 1.0, A, P < 15W

Line Regulation

VRLINE

VIN = -7.5V to -20V

12

mV

(Note 1)

•

25

mV

(Note 4)

VIN = -8.0V to -12V

5

mV

•

12

mV

Load Regulation

VRLOAD

IO = 5mA to 1.5 Amp

20

mV

(Note 1)

•

25

mV

IO = 250mA to 750 mA

15

mV

•

30

mV

Standby Current Drain

ISCD

2.5

mA

•

3.0

mA

Standby Current Drain

D

ISCD

VIN = -7.0V to -20V

•

0.4

mA

Change With Line

(Line)

Standby Current Drain

D

ISCD

IO = 5mA to 1000mA

•

0.4

mA

Change With Load

(Load)

Dropout Voltage

VDO

D

VOUT = 100mV, IO = 1.0A

•

2.5

V

Peak Output Current

IO (pk)

TA = 25°C

1.5

3.3

A

Short Circuit Current

IDS

VIN = -35V

1.2

A

(Note 2)

•

2.8

A

Ripple Rejection

D

VIN

f =120 Hz, DVIN = -10V

63

dB

D

VOUT

(Note 3)

•

60

dB

Output Noise Voltage

NO

TA = 25°C, f =10 Hz to 100KHz

40

µV/V

(Note 3)

RMS

Long Term Stability

D

VOUT

TA = 25°C, t = 1000 hrs.

75

mV

(Note 3)

D

t

Notes:

1. Load and Line Regulation are specified at a constant junction temperature. Pulse testing with low duty cycle is used.

Changes in output voltage due to heating effects must be taken into account separately.

2. Short Circuit protection is only assured up to V

IN = -35V.

3. If not tested, shall be guaranteed to the specified limits.

The • denotes the specifications which apply over the full operating temperature range.

ABSOLUTE MAXIMUM RATINGS @ 25°C

Input Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -35 V

Operating Junction Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . .- 55°C to + 150°C

Storage Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . - 65°C to + 150°C

Typical Power/Thermal Charateristics:

Rated Power @ 25° C

TC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15W

TA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3W

Thermal Resistance

qJC (Case U) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.2°C/W

qJC (Case T) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.5°C/W

aa

qJA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42°C/W

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