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TDA8138A Datasheet(PDF) 1 Page - STMicroelectronics |
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TDA8138A Datasheet(HTML) 1 Page - STMicroelectronics |
1 / 6 page May 1993 5.1V +12V REGULATOR WITH DISABLE AND RESET TDA8138 . OUTPUT CURRENTS UP TO 1A . FIXED PRECISION OUTPUT 1 VOLTAGE 5.1V +/- 2% . FIXED PRECISION OUTPUT 2 VOLTAGE 12V +/- 2% . OUTPUT 1 WITH RESET FACILITY . OUTPUT 2 WITH DISABLE BY TTL INPUT . SHORT CIRCUIT PROTECTION AT BOTH OUTPUTS . THERMAL PROTECTION . LOW DROP OUTPUT VOLTAGE . AVAILABLE ALSO IN HEPTAWATT PACKAGE IN TWO VERSIONS : TDA8138A (DISABLE ONLY), TDA8138B (RESET ONLY) DESCRIPTION The TDA8138 is a monolithic dual positive voltage regulator designed to provide fixed precision output voltages of 5.1V and 12V at currents up to 1A. An internal reset circuit generates a reset pulse when the output 1 decrease below the regulated voltage value (for TDA8138 and TDA8138B). Output 2 can be disabled by TTL input (for TDA8138 and TDA8138A). Short circuit and thermal protections are included in all the versions. PIN CONNECTIONS HEPTAWAT (Plastic Package) ORDER CODE : TDA8138A / TDA8138B SIP9 (Plastic Package) ORDER CODE : TDA8138 OUTPUT1 OUTPUT2 GROUND INPUT 2 INPUT 1 1 2 3 4 5 6 7 N.C. FOR TDA8138A RESET FOR TDA8138B DISABLEFOR TDA8138A DEL. CAPA FOR TDA8138B Tab. connected to Pin 4 HEPTAWATT 1 2 3 4 5 6 7 8 9 DEL. CAP. DISABLE RESET N.C. OUTPUT 2 OUTPUT 1 INPUT 1 INPUT 2 GROUND Tab. connected to Pin 5 SIP9 1/6 |
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