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| 42094 POSITIVE HIGH TEMPERATURE REGULATOR Mii HYBRID MICROELECTRONICS PRODUCTS DIVISION Features: * * * * * * Output current to 1.5 amps Input voltage to 38V Internal short circuit protection, foldback and current limiting Storage Temperature 225C 200C Operating Temperature Output voltage to 30 VDC Applications: * * * * Logging while drilling Measuring while drilling (down-hole applications) Other harsh environments Designed to use in high temperature environments 200C DESCRIPTION The 42094 series of regulators covers the voltage range from 5 VDC through 30 VDC. These regulators are fabricated using hybrid techniques and will operate at temperatures up to 200C case. These devices are complete with internal short circuit protection which includes voltage shutdown and current foldback. The 42094 series regulators normally do not require any additional components. However, for good design practice, an external filter cap should be installed at the input, as close to the case as possible. ABSOLUTE MAXIMUM RATINGS AT 200C Output Current (IOUT) ............................................................................................................................................................. 1.5A Input Voltage (VIN) ......................................................................................................................................................... +38VDC Operating Temperature (TC)............................................................................................................................................... 200C Storage Temperature ..........................................................................................................................................-65C to 200C Power Dissipation (Pd)...........................................................................................................................................................25W TYPE 42094-005 42094-012 42094-015 42094-018 42094-024 42094-030 TABLE 1 (see note) VOUT VDC 5 12 15 18 24 30 MAX IOUT A 1.5 1.5 1.5 1.5 1.5 1.5 TYP IKNEE A 2.0 2.0 2.0 2.0 2.0 2.0 NOTE: Under condition (VIN - VOUT) x lOUT 25 watts at 200C case. Micropac can provide custom output voltages between 5VDC and 30VDC. Micropac Industries cannot assume any responsibility for any circuits shown or represent that they are free from patent infringement. Micropac reserves the right to make changes at any time in order to improve design and to supply the best product possible. MICROPAC INDUSTRIES, INC. HYBRID MICROELECTRONICS PRODUCTS DIVISION * 905 E. Walnut St., Garland, TX 75040 * (972) 272-3571 * Fax (972) 494-2281 www.micropac.com E-MAIL: hybridsales@micropac.com 12/13/01 1 42094 POSITIVE HIGH TEMPERATURE REGULATOR ELECTRICAL CHARACTERISTICS PARAMETER *Output Voltage *Line Regulation TEST CONDITIONS IOUT = 300 mA VIN = VOUT +3VDC VIN = VOUT +3VDC to VIN = 38 VDC IOUT = 50 mA VIN = VOUT +5VDC IOUT = 50 to 300mA VIN = VOUT +5VDC VIN = VOUT +5VDC IOUT = 0 VIN = VOUT +5VDC VIN = VOUT +5VDC VIN = VOUT +5VDC VIN = VOUT +5VDC VIN = VOUT +5VDC IOUT = 300 mA IOUT = 300 mA TEMPERATURE CASE TEMP +25C to +200C +25C to +200C TYPICAL VOUT 1.0% VOUT 0.3% Load Regulation Ripple Rejection at 120 Hz Standby Current Short Circuit Current Short Circuit Current Foldback Current (knee) Foldback Current (knee) Noise Output Differential Voltage * ( V= VIN - VOUT ) * VIN = 10V Min +25C to +200C +25C +25C +25C +200C +25C +200C +25C +25C to +200C VOUT 0.5% -60db 30mA 400mA 200mA 2A 1.5A 2mVRMS 3VDC MIN Micropac Industries cannot assume any responsibility for any circuits shown or represent that they are free from patent infringement. Micropac reserves the right to make changes at any time in order to improve design and to supply the best product possible. MICROPAC INDUSTRIES, INC. HYBRID MICROELECTRONICS PRODUCTS DIVISION * 905 E. Walnut St., Garland, TX 75040 * (972) 272-3571 * Fax (972) 494-2281 www.micropac.com E-MAIL: hybridsales@micropac.com 12/13/01 2 42094 POSITIVE HIGH TEMPERATURE REGULATOR Mechanical Configuration .550 MAX. .83 MAX. DIA. .450 MAX. .135 MAX. .470 .440 1.177 1.197 .655 .657 .151 DIA. .161 .039 DIA. .043 2 1 .205 .225 .420 .440 Typical Connection Diagram D1 RECTIFIED INPUT AS REQUESTED V IN + + 2uF HEADER V OUT 2 + REGULATED OUTPUT COMMON AS REQUESTED Note: D1 should be installed for input safety. Electrical Conncetions Case VIN Pin 1 Ground Pin 2 VOUT Micropac Industries cannot assume any responsibility for any circuits shown or represent that they are free from patent infringement. Micropac reserves the right to make changes at any time in order to improve design and to supply the best product possible. MICROPAC INDUSTRIES, INC. HYBRID MICROELECTRONICS PRODUCTS DIVISION * 905 E. Walnut St., Garland, TX 75040 * (972) 272-3571 * Fax (972) 494-2281 www.micropac.com E-MAIL: hybridsales@micropac.com 12/13/01 3 |
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