om7612st International Rectifier Corp., om7612st Datasheet
om7612st
Manufacturer Part Number
om7612st
Description
Three Terminal, High Voltage, Precision Adjustable Negative Voltage Regulator In Hermetic Jedec To-257aa Package
Manufacturer
International Rectifier Corp.
Datasheet
1.OM7612ST.pdf
(4 pages)
1.5 AMP HIGH VOLTAGE NEGATIVE
ADJUSTABLE REGULATOR
4 11 R0
FEATURES
• Similar To Industry Standard LT137AHV
• Adjustable Output Voltage
• Built In Thermal Overload Protection
• Short Circuit Current Limiting
• Available In Isolated and Non-Isolated Package
• Maximum Output Voltage Tolerance Is Guaranteed To ±1%
• Available Hi-Rel Screened
DESCRIPTION
This three terminal negative regulator is supplied in a hermetically sealed metal
package whose outline is similar to the industry standard TO-220 plastic package. All
protective features are designed into the circuit, including thermal shutdown, current
limiting, and safe-area control. With heat sinking, these devices can deliver up to 1.5
amps of output current. The unit also features output voltages that can be fixed from
-1.2 volts to -47 volts.
ABSOLUTE MAXIMUM RATINGS
Power Dissipation (P d ) (Internally Limited). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 W
Input - Output Voltage Differential . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 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. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.5 A
q
q
q
JC
JC
JA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42°C/W
(Isolated) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.2°C/W
(Non-Isolated) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.5°C/W
Three Terminal, High Voltage, Precision
Adjustable Negative Voltage Regulator In
Hermetic JEDEC TO-257AA Package
3.3 - 161
@ 25°C
OM7612ST
3.3
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om7612st Summary of contents
Page 1
... JA Maximum Output Current 1 25°C 3.3 - 161 OM7612ST 3.3 ...
Page 2
... OM7612ST ELECTRICAL CHARACTERISTICS Parameter Symbol Reference Voltage V REF Line Regulation R LINE (Note 1) Load Regulation R LOAD (Note 1) Thermal Regulation V RTH Ripple Rejection R N (Note 2) Adjustment Pin Current I Adj Adjustment Pin ³I Adj Current Change Miminum Load Current I Lmin Current Limit I CL (Note 2) Notes: 1 ...
Page 3
... T , Junction Temperature (C°) J MINIMUM OPERATING CURRENT T = -55° 25° 150°C J 1.4 1.2 1.0 0.8 0.6 0.4 0 Input - Output Voltage Differential ( 3.3 - 163 OM7612ST 1. 1.0A L 100 100 125 125 150 150 3 ...
Page 4
... IN4002 10µ 10µF 1% R5** 100 2.2* D2 1µF* µF 1% IN4002 Adj - OUT IN OUT OM7612ST R 1 .200 .190 .045 .035 .665 .645 .537 .430 .527 .410 .038 MAX. .750 .005 .500 .100 TYP. .120 TYP. ...