OM7602ST 데이터 시트보기 (PDF) - Unspecified

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OM7602ST

ISOLATED HERMETIC TO-257AA ADJUSTABLE VOLTAGE REGULATOR

Unspecified 

OM7602ST

3.3

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

VDIFF = 3.3V

VDIFF = 40V

1.238

1.262

•

1.225

1.270

V

•

1.225

1.270

Line Regulation

RLINE

3.0V VDIFF 40V, Vout = Vref, TA = 25°C

-4.5

4.5

mV

(Note 1)

3.3V VDIFF 40V, Vout = Vref

•

-9

9

Load Regulation

RLOAD VDIFF = 3.0V, 10mA IL 1.5A, TA = 25°C

-15

15

(Note 1)

VDIFF = 3.3V, 10mA IL 1.5A

•

-15

15

mV

VDIFF = 40V, 10mA IL 300mA, TA = 25°C

-15

15

VDIFF = 40V, 10mA IL 195mA

•

-15

15

Thermal Regulation

VRTH

Vin = 14.6V, IL = 1.5A

-5

5

mV

Pd = 20 Watts, t = 20 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, TA = 25°C

VDIFF = 3.3V

•

VDIFF = 40V

•

100

100

µA

100

Adjustment Pin

³IAdj

VDIFF = 3.0V, 10mA IL 1.5A, TA = 25°C

-5

5

Current Change

VDIFF = 3.3V, 10mA IL 1.5A

•

-5

5

VDIFF = 40V, 10mA IL 300mA, TA = 25°C

-5

5

VDIFF = 40V, 10mA IL 195mA

•

-5

5

µA

3.0V VDIFF 40V, TA = 25°C

-5

5

3.3V VDIFF 40V

•

-5

5

Miminum Load Current

ILmin

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

5.0

VDIFF = 3.3V, VOUT = 1.4V (forced)

•

5.0

mA

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

•

5.0

Current Limit

ICL

VDIFF = 15V

•

1.5

3.5

(Note 2)

VDIFF = 40V, TA = 25°C

0.18

1.5

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.

STANDARD APPLICATION

* CIN is required if regulator is located an appreciable

distance from power supply filter.

** CO is not needed for stability, however it does improve

transient response.

VOUT = 1.25V (1 + R2 ) + IAdj R2

R1

Since IAdj is controlled to less than 100µA, the error

associated with this term is negligible in most applications.

VIN

OM7602ST

IAdj

Adjust

CIN*

0.1µF

VOUT

R1

240

+ COUT**

1.0µF

R2

3.3 - 132

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