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UC19431 Datasheet(PDF) 2 Page - Texas Instruments |
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UC19431 Datasheet(HTML) 2 Page - Texas Instruments |
2 / 7 page 2 UC19431 UC29431 UC39431 UC39431B DIL-8, SOIC-8 (Top View) N or J, D Package ABSOLUTE MAXIMUM RATINGS Supply Voltage: V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36V Regulated Output: V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36V Internal Resistors: R1, R2, R3 . . . . . . . . . . . . . . . . . . . . . . . 13V E/A Input: SENSE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6V E/A Compensation: COMP . . . . . . . . . . . . . . . . . . . . . . . . . . 6V Output Sink Current: I . . . . . . . . . . . . . . . . . . . . . . . . . . . 140mA Power Dissipation at TA ≤25°C (DIL-8) . . . . . . . . . . . . . . . . . 1W Derate 8mW/°C for TA > 25°C Storage Temperature Range . . . . . . . . . . . . . –65°C to +150°C Junction Temperature . . . . . . . . . . . . . . . . . . . –55°C to +150°C Lead Temperature (Soldering, 10 sec.) . . . . . . . . . . . . . +300°C Currents are positive into, negative out of the specified termi- nal. Consult Packaging Section of Databook for thermal limita- tions and considerations of packages. ELECTRICAL CHARACTERISTICS: Unless otherwise stated, these specifications apply for TA = –55°C to +125°C and COLL Output = 2.4V to 36.0V for the UC19431, TA = –25°C to +85°C and COLL Output = 2.3V to 36.0V for the UC29431, and TA = 0°C to +70°C and COLL Output = 2.3V to 36.0V for the UC39431/B, VCC = 15V, ICOLL = 10mA, TA =TJ. PARAMETER TEST CONDITIONS MIN TYP MAX UNITS Reference Voltage Tolerance TA = 25°C 19431* 1.295 1.3 1.305 V 39431B 1.29 1.3 1.31 V Reference Temperature Tolerance VCOLL = 5.0 19431* 1.291 1.3 1.309 V 39431B 1.286 1.3 1.314 V Reference Line Regulation Reference Load Regulation VCC = 2.2V to 36.0V, VCOLL = 5V ICOLL = 10mA to 50mA, VCOLL = 5V 19431* 10 38 mV 39431B 19431* 10 10 57 38 mV mV 39431B 10 57 mV Sense Input Current –0.5 –0.2 µA Minimum Operating Current VCC = 36.0V, VCOLL = 5V 0.50 0.80 mA Collector Current Limit VCOLL = VCC = 36.0V, Ref = 1.35V 130 145 mA Collector Saturation ICOLL = 20mA 0.7 1.1 1.5 V Transconductance (gm) VCC = 2.4V to 36.0V, VCOLL = 3V, ICOLL = 20mA 19431* –170 –140 –110 mS 39431B –180 –140 –100 mS 5.1V Reference Internal Divider 19431* 5.05 5.1 5.15 V 39431B 5 5.1 5.2 V 12.24V Reference Internal Divider 19431* 12 12.24 12.5 V 39431B 12 12.24 12.5 V Error Amplifier AVOL 60 90 dB Error Amplifier GBW (Note 1) 3.0 5 MHz Transconductance Amplifier GBW 3 MHz * Also applies to the UC29431 and UC39431 Note: The internal divider can be configured to give six unique references. These references are 2.82V, 3.12V, 5.1V, 7.8V, 10.42V, 12.24V. Note 1: Guaranteed by design. Not 100% tested in production. CONNECTION DIAGRAM |
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