OM1320 datasheet(3/4 Pages) IRF

Part #	OM1320

Description	Similar To Industry Standard LM117

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Manufacturer	IRF [International Rectifier]

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3 / 4 page

3.5 - 3

3.5

ELECTRICAL CHARACTERISTICS

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

OM1320N2M

OM1320STM

Vin

Cin*

0.1 µF

Vout

Co**

1.0 µF

R2

Adjust

IAdj

R1

240Ω

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 = 1.25 V (1 +

)+ IAd j R2

Since IAdj is controlled to less than 100 µA,

the error associated with this term is negligible

in most applications.

OM1320NTM, OM1320STM, OM1320NKM, OM1320SMM, OM1320NMM, OM1320N2M

Parameter

Symbol

Test Conditions

Min.

Max.

Unit

Reference Voltage

VREF

VDIFF = 3.0V, TA = 25°C1.20

1.30

VDIFF = 3.3V

•

1.20

1.30

V

VDIFF = 40V

•

1.20

1.30

Line Regulation

RLINE

3.0V ≤ VDIFF ≤ 40V, Vout = Vref, TA = 25°C-9

9

mV

(Note 1)

3.3V ≤ VDIFF ≤ 40V, Vout = Vref

•

-23

23

Load Regulation

RLOAD

VDIFF = 3.0V, 10mA ≤ IL ≤ .5A, TA = 25°C-15

15

(Note 1)

VDIFF = 3.3V, 10mA ≤ IL ≤ .5A

•

-15

15

mV

VDIFF = 40V, 10mA ≤ IL ≤ 150mA, TA = 25°C-15

15

VDIFF = 40V, 10mA ≤ IL ≤ 100mA

•

-15

15

Thermal Regulation

VRTH

Vin = 14.6V, IL = 300mA

-16

16

mV

Pd = 4 Watts, t = 20 ms, TA =25°C

Ripple Rejection

RN

f = 120 Hz, Vout = Vref

•

66

dB

(Note 2)

CAdj = 10 µF

Adjustment Pin Current

IAdj

VDIFF = 3.0V, TA = 25°C100

VDIFF = 3.3V

•

100

µA

VDIFF = 40V

•

100

Adjustment Pin

∆IAdj

VDIFF = 3.0V, 10mA ≤ IL ≤ .5A, TA = 25°C-5

5

Current Change

VDIFF = 3.3V, 10mA ≤ IL ≤ .5A

•

-5

5

VDIFF = 40V, 10mA ≤ IL ≤ 150mA, TA = 25°C

•

-5

5

VDIFF = 40V, 10mA ≤ IL ≤ 100mA

•

-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

•

.5

1.65

(Note 2)

VDIFF = 40V, TA = 25°C0.15

.065

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.

R2

R1

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