OM7612ST Просмотр технического описания (PDF) - Unspecified

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OM7612ST

1.5 AMP HIGH VOLTAGE NEGATIVE ADJUSTABLE REGULATOR

Unspecified 

OM7612ST

ELECTRICAL CHARACTERISTICS -55°C TA 125°C, IL = 8mA (unless otherwise specified)

Parameter

Symbol

Test Conditions

Min.

Max.

Unit

Reference Voltage

VREF

VDIFF = 3.0V, TA = 25°C

-1.262

-1.238

VDIFF = 3.0V

•

-1.28

-1.22

V

VDIFF = 50V, TA = 25°C

-1.28

-1.22

VDIFF = 50V

•

-1.28

-1.22

Line Regulation

RLINE

3.0 V VDIFF 50V, TA = 25°C

-6

6

(Note 1)

•

-20

20

mV

Load Regulation

RLOAD

VDIFF 50V, 8mA IL 110mA, TA = 25°C

-25

25

(Note 1)

VDIFF = 5V, 8mA IL 1.5A, TA = 25°C

-25

25

mV

•

-50

50

Thermal Regulation

VRTH

Vin = -14.6V, IL = 1.5A

-5

5

mV

Pd = 20 Watts, t = 10 ms, TA = 25°C

Ripple Rejection

RN

f = 120 Hz, VOUT = Vref

•

66

dB

(Note 2)

CAdj = 10 µF, IOUT = 100 mA

Adjustment Pin Current

IAdj

VDIFF = 3.0V

•

100

VDIFF = 40V

•

100

µA

VDIFF = 50V

•

100

Adjustment Pin

³IAdj

VDIFF = 5V, 8mA IOUT 1.5A

•

-5

5

µA

Current Change

3V VDIFF 50V, IL 8mA

•

-6

6

Miminum Load Current

ILmin

VDIFF = 3.0V, VOUT = -1.4V (forced)

•

3

VDIFF = 10V, VOUT = -1.4V (forced)

•

3

mA

VDIFF = 40V, VOUT = -1.4V (forced)

•

5

VDIFF = 50V, VOUT = -1.4V (forced)

•

5

Current Limit

ICL

VDIFF = 5V

•

1.5

3.5

(Note 2)

VDIFF = 50V, TA = 25°C

0.2

1.0

A

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

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

3.3

3.3 - 162

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