OM1850 datasheet(2/4 Pages) ETC

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3.3

OM1850STM OM1850NMM OM1850NKM

ELECTRICAL CHARACTERISTICS -55°C ≤ T

A ≤ 125°C (unless otherwise specified)

Parameter

Symbol

Test Conditions

Min.

Max.

Unit

Reference Voltage

VREF

V

IN - VOUT  = 3.0 V, TA = 25° C

1.238

1.262

IOUT = 10 mA

1.5 V

≤V

IN - VOUT ≤ 25 V,

•

1.220

1.270

10 mA

≤ I

OUT ≤ 2.0 A

Line Regulation

∆V

OUT

1.5 V

≤V

IN - VOUT ≤ 15 V,

0.2

(Note 1)

∆V

IOUT = 10 mA, TA = 25° C

15 V

≤V

IN - VOUT ≤ 35 V,

•

0.5

IOUT = 10 mA

Load Regulation

∆V

OUT

V

IN - VOUT  = 3.0 V, TA = 25° C

0.8

(Note 1)

∆I

OUT

10 mA

≤ I

OUT ≤ 2.0 A

•

1.0

Dropout Voltage

VDO

IOUT = 2.0 A, ∆VREF = 1%

•

1.5

Thermal Regulation

30 ms pulse, TA = +25° C

0.02

%/W

Ripple Rejection

∆V

f = 120 Hz, CAdj = 25 µF,

•

∆V

OUT

COUT = 25 µF (tantalum), IOUT = 2.0 A,

V

IN - VOUT  = 3.0 V

Adjust Pin Current

IAdj

1.5 V

≤V

IN - VOUT ≤ 25 V,

•

120

µA

10 mA

≤ I

OUT ≤ 2.0 A

Adjust Pin Current Change

∆I

Adj

1.5 V

≤V

IN - VOUT ≤ 25 V,

•

5.0

µA

10 mA

≤ I

OUT ≤ 2.0 A

Miminum Load Current

IMin

V

IN - VOUT  = 24 V

•

Current Limit

ILim

V

IN - VOUT ≤ 5.0 V

•

3.2

V

IN - VOUT  = 25 V

•

0.2

Temperature Stability

∆V

OUT

-55° C

≤ T

J ≤ +125° C

•

1.5

(Note 2)

∆T

Long Term Stability

∆V

OUT

TA = +125° C, t = 1000 hrs

1.0

(Note 2)

∆T

Notes:

1. Line and Load Regulation are measured at a constant junction temperature using a low duty cycle pulse technique.

Although power dissipation is internally limited, regulation is guaranteed up to the maximum power dissipation of 30 W.

Power dissipation is determined by the input/output differential voltage and the output current. Guaranteed maximum

power dissipation will not be available over the full input/output voltage range.

2. Guaranteed by design, characterization or correlation to other tested parameters.

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

Part Number Designator

SMD #

Omnirel

Package

5962-8864601U

OM1850STM

TO-257 (Isolated)

5962-8864601N

OM1850NMM

SMD-1 (Non-Isolated)

5962-8864601X

OM1850NKM

TO-3

Part Numbering System

Voltage Regulators

OM-1850-S-T-M

Company

Identification

Part

Number

S= Isolated

N= Non isolated

Package

(see Package codes*)

Screening

M= MIL-M 38535

* Package Codes:

K= TO-204AA (TO-3)

M= SMD-1

T= TO-257AA

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