OM1840NCM IRF [International Rectifier], OM1840NCM Datasheet

OM1840NCM

Manufacturer Part Number

OM1840NCM

Description

5 AMP LOW DROPOUT POSITIVE ADJUSTABLE REGULATOR APPROVED TO DESC DRAWING 5962-89521

Manufacturer

IRF [International Rectifier]

Datasheet

1.OM1840NCM.pdf (4 pages)

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5 AMP LOW DROPOUT POSITIVE ADJUSTABLE

REGULATOR APPROVED TO DESC DRAWING 5962-89521

1 08 R3

Supersedes 4 11 R2

FEATURES

• Similar To Industry Standard LT1084

• Approved To DESC Standardized Military Drawing Number 5962-89521

• Adjustable Output Voltage

• Built In Thermal Overload Protection

• Short Circuit Current Limiting

• Maximum Output Voltage Tolerance is Guaranteed To ±1%

• Guaranteed Dropout Voltage At Multiple Current Levels

• TO-258 Available in Isolated and Non-Isolated Packages

DESCRIPTION

This three terminal positive adjustable voltage regulator is designed to provide 5A

with higher efficiency than conventional voltage regulators. This device is designed

to operate down to 1 Volt input to output differential and the dropout voltage is fully

specified as a function of load current. Supplied in easy-to-use hermetic TO-258 and

TO-3 packages, this device is ideally suited for Military applications where small size

and high reliability is required.

ABSOLUTE MAXIMUM RATINGS

Power Dissipation (P

Input - Output Voltage Differential . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 V

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

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

Lead Temperature (Soldering 10 seconds) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 300°C

Thermal Resistance:

Maximum Output Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.0 A

Recommended Operating Conditions:

Output Voltage Range. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3.3V to 15 V

Ambient Operating Temperature Range (T

Input Voltage Range. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5V to 25 V

(TO-258 Isolated) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3.0°C/W

(TO-258 Non-Isolated) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2.3°C/W

(TO-3) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3.0°C/W

Three Terminal, Positive Adjustable

Low Dropout Voltage Regulator In

Hermetic Packages

) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Internally Limited

3.3 - 75

) . . . . . . . . . . . . . . . . - 55°C to + 125°C

@ 25°C

OM1840NKM

OM1840NCM

OM1840SCM

3.3

Related parts for OM1840NCM

OM1840NCM Summary of contents

Page 1

... JC Maximum Output Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.0 A Recommended Operating Conditions: Output Voltage Range .3. Ambient Operating Temperature Range (T Input Voltage Range Supersedes OM1840NKM @ 25° 55° 125° OM1840SCM OM1840NCM 3.3 ...

Page 2

... OM1840SCM OM1840NCM OM1840NKM ELECTRICAL CHARACTERISTICS Parameter Symbol Reference Voltage Line Regulation (Note 1) Load Regulation (Note 1) Dropout Voltage Thermal Regulation Ripple Rejection Adjust Pin Current Adjust Pin Current Change Miminum Load Current Current Limit Temperature Stability (Note 2) Long Term Stability (Note 2) Notes: 1 ...

Page 3

... TEMERATURE (°C) TEMPERATURE STABILITY 1.270 1.260 1.250 1.240 1.230 -50 - 100 125 TEMPERATURE (°C) OM1840NKM OM1840SCM OM1840NCM SHORT CIRCUIT CURRENT FULL LOAD 1 0 150 INPUT/OUTPUT DIFFERENTIAL (V) DROPOUT VOLTAGE 2 • ...

Page 4

... OM1840SCM OM1840NCM OM1840NKM Parelleling Regulators OM1840 V IN OUT IN ADJ OM1840 IN OUT ADJ R1 120 1.2V - 15V Adjustable Regulator OM1840 OUT ADJ + C1 10µ *NEEDED IF DEVICE IS FAR FROM FILTER CAPACITORS † V =1.25V OUT R1 MECHANICAL OUTLINE .695 .165 .685 .155 .707 .697 ...

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