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International Rectifier Electronic Components Datasheet

OM1840NKM Datasheet

5 AMP LOW DROPOUT POSITIVE ADJUSTABLE

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OM1840NKM pdf
OM1840NKM OM1840SCM
OM1840NCM
5 AMP LOW DROPOUT POSITIVE ADJUSTABLE
REGULATOR APPROVED TO DESC DRAWING 5962-89521
Three Terminal, Positive Adjustable
Low Dropout Voltage Regulator In
Hermetic Packages
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
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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 @ 25°C
Power Dissipation (Pd) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Internally Limited
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:
θJC (TO-258 Isolated) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3.0°C/W
θJC (TO-258 Non-Isolated) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2.3°C/W
θJC (TO-3) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3.0°C/W
Maximum Output Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.0 A
Recommended Operating Conditions:
Output Voltage Range. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3.3V to 15 V
Ambient Operating Temperature Range (TA) . . . . . . . . . . . . . . . . - 55°C to + 125°C
Input Voltage Range. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5V to 25 V
3.3
1 08 R3
Supersedes 4 11 R2
3.3 - 75
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International Rectifier Electronic Components Datasheet

OM1840NKM Datasheet

5 AMP LOW DROPOUT POSITIVE ADJUSTABLE

No Preview Available !

OM1840NKM pdf
OM1840SCM OM1840NCM OM1840NKM
ELECTRICAL CHARACTERISTICS -55°C TA +125°C (unless otherwise specified)
Parameter
Symbol
Test Conditions
Min. Max.
Unit
Reference Voltage
VREF
Line Regulation
(Note 1)
VOUT
VIN
Load Regulation
(Note 1)
VOUT
IOUT
Dropout Voltage
Thermal Regulation
Ripple Rejection
VDO
-
VIN
VOUT
Adjust Pin Current
IAdj
Adjust Pin Current Change
IAdj
Miminum Load Current
Current Limit
IMin
ILim
Temperature Stability
(Note 2)
VOUT
T
VIN - VOUT = 3.0 V,
IOUT = 10 mA, TA = 25° C
1.5 V ≤ VIN - VOUT  ≤ 25 V,
IOUT = 10 mA, IFL = 3.0 A
1.5 V ≤ VIN - VOUT  ≤ 15 V,
IOUT = 10 mA, TA = 25° C
15 V ≤ VIN - VOUT  ≤ 35 V,
IOUT = 10 mA
VIN - VOUT = 3.0 V, TA = 25° C
IOUT = 10 mA, IFL = 3.0 A
IFL = 3.0 A, VREF = 1%
30 ms pulse, TA = +25° C
f = 120 Hz, CAdj = 25 µF,
COUT = 25 µF (tantalum), IFL = 3.0 A,
VIN - VOUT = 3.0 V
1.5 V ≤ VIN - VOUT  ≤ 25 V,
IOUT = 10 mA, IFL = 3.0 A
1.5 V ≤ VIN - VOUT  ≤ 25 V,
10 mA IOUT 3.0 A
VIN - VOUT = 25 V
VIN - VOUT  ≤ 5.0 V
VIN - VOUT = 25 V
-55° C T +125° CJ
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1.238
1.225
60
5.5
0.3
1.262
1.270
0.2
0.5
0.3
0.4
1.5
0.015
120
5.0
10
1.5
V
V
%
%
%
%
V
%/W
dB
µA
µA
mA
A
A
%
Long Term Stability
(Note 2)
VOUT
T
TA = +125° C, t = 1000 hrs
1.0 %
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 45 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.
3.3
PART NUMBER DESIGNATOR
Standard Military Drawing Number
Omnirel Part Number
8952101Y
OM1840SCM
8952101Z
OM1840NCM
8952101X
OM1840NKM
“Y” = Isolated
“Z” = Non-Isolated
Part Numbering System
Voltage Regulators
OM-1840-S-C-M
Company
I dentif ica tion
Screening
M= MIL-M
Part 38535
Number
Package
(see Package codes*)
S= Isolated
N= Non
isolated
isola
* Package Codes:
K= TO-204AA (TO-3)
Z= TO-259AA (Z-Tab)
C = TO-258AA
3.3 - 76
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Part Number OM1840NKM
Description 5 AMP LOW DROPOUT POSITIVE ADJUSTABLE
Maker International Rectifier
Total Page 4 Pages
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