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부품번호 | OM1840SCM 기능 |
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기능 | 5 AMP LOW DROPOUT POSITIVE ADJUSTABLE | ||
제조업체 | International Rectifier | ||
로고 | |||
전체 4 페이지수
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
Datasheet pdf - http://www.DataSheet4U.net/
OM1840SCM OM1840NCM OM1840NKM
TYPITCYAPLIACPAPLLAICPAPTLIIOCNASTIONS
Parelleling Regulators
Improving Ripple Rejection
VIN IN OM1840 OUT
2 FEET #18 WIRE*
ADJ
IN OM1840 OUT
ADJ
( )1+ R__2
VOUT =1.25 R1
00..001155Ω IOUT= OA TO 15A
* THE #18 WIRE ACTS
AS BALLAST RESISTENCE
R1
120
INSURING CURRENT SHARING
BETWEEN BOTH DEVICES.
R2
VIN
10µF +
VIN OM1840 VOUT
ADJ
R1
1211% Ω
*C1 IMPROVES RIPPLE
REJECTION. XC SHOULD BE
~ R1 AT RIPPLE FREQUENCY.
R2
365
1% Ω
+ C1
10µF*
VIN ≥16.5V
150µF
3.3
1.2V - 15V Adjustable Regulator
5V Regulator with Shutdown
VIN OM1840 VOUT
ADJ
+
C1
10µF R2
5k
R1
121 Ω
+
VOUT †
C2
100µF
*NEEDED IF DEVICE IS FAR FROM FILTER CAPACITORS
( )† VOUT=1.25V
1+
R__2
R1
VIN VIN OM1840 VOUT
ADJ
+
10µF
TTL 2N3904
1k 1k
121 Ω
1%
5V
+
100µF
365 Ω
1%
MECHANICAL OUTLINE
MECHANICAL OUTLINE TO-3
.165
.155
.707
.697
.750
.500
.200 TYP.
.695
.685
12
.270
.240
.835
.815
.550
.530
.065
.055
3 .140 TYP.
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.045
.035
0.135
MAX.
SEATING
PLANE
.092 MAX.
.005
1.53
REF.
0.875
MAX.
0.043
0.038
2 PLCS.
1.197
1.177
0.188 R.
MAX.
0.675
0.655
0.440
0.420
0.450
0.250
0.312
MIN.
0.225
0.205
0.161
0.151
0.525 R.
MAX.
PIN OUT
1 Adjust
2
Case
VIN
VOUT
PIN OUT
1 Adjust
2 VOUT
3 VIN
NOTES
• Case is metal/hermetically sealed
• Isolated Tab
Datasheet pdf - http://www.DataSheet4U.net/
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부품번호 | 상세설명 및 기능 | 제조사 |
OM1840SCM | 5 AMP LOW DROPOUT POSITIVE ADJUSTABLE | International Rectifier |
DataSheet.kr | 2020 | 연락처 | 링크모음 | 검색 | 사이트맵 |