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BA3259HFP Datasheet(PDF) 2 Page - Rohm |
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BA3259HFP Datasheet(HTML) 2 Page - Rohm |
2 / 19 page 2/16 BA3259HFP BA30E00WHFP Datasheet TSZ02201-0R6R0A600100-1-2 26.Jun.2012 Rev.001 www.rohm.com © 2012 ROHM Co., Ltd. All rights reserved. TSZ22111・15・001 ●Block Diagrams / Standard Example Application Circuits / Pin Configurations / Pin Descriptions Fig.1 BA3259HFP Block Diagram Fig.2 BA30E00WHFP Block Diagram Pin No. Pin name Function 1 VCC Power supply pin 2 ADJ Variable output voltage detection pin 3 GND GND pin 4 Vo2 Variable output pin 5 Vo1 3.3 V output pin FIN GND GND pin Pin No. Pin name Function 1 EN Output on/off control pin: High active 2 Vcc2 Power supply pin 2 3 Vcc1 Power supply pin 1 4 GND GND pin 5 Vo1 Power supply pin for 3.3 V output 6 Vo2 Variable output voltage detection pin (0.8 V to 3.3 V) 7 ADJ Variable output voltage detection pin FIN GND GND pin PIN External capacitor setting range Vcc (1Pin) Approximately 3.3µF Vo1 (5Pin) 1 µF to 1000 µF Vo2 (4Pin) 1 µF to 1000 µF TOP VIEW PIN External capacitor setting range Vcc1 (3Pin) Approximately 1 µF Vcc2 (2Pin) Approximately 1 µF Vo1 (5Pin) 47 µF to 1000 µF Vo2 (6Pin) 47 µF to 1000 µF TOP VIEW HRP5 HRP7 ●Absolute Maximum Ratings BA3259HFP BA30E00WHFP Parameter Symbol Ratings Units Parameter Symbol Ratings Units Applied voltage Vcc 15 *1 V Applied voltage Vcc 18 *1 V Power dissipation Pd 2300 *2 mW Power dissipation Pd 2300 *2 mW Operating temperature range Topr 0 to 85 ℃ Operating temperature range Topr −25 to 105 ℃ Ambient storage temperature range Tstg −55 to 150 ℃ Ambient storage temperature range Tstg −55 to 150 ℃ Maximum junction temperature Tjmax 150 ℃ Maximum junction temperature Tjmax 150 ℃ *1 Must not exceed Pd. *2 Derated at 18.4 mW/℃ at Ta>25℃ when mounted on a glass epoxy board (70 mm × 70 mm × 1.6 mm). 1 2 3 4 5 6 7 1 2 3 4 5 VREF Current Limit Thermal Shutdown Current Limit VO1 VO2 GND 3.3V 1 μF 1.5V 1 μF 3.3 μF VIN CO1 CO2 CIN 1 5 4 FIN 2 ADJ Vcc R1 R2 3 GND EN Current Limit Sat. Prevention Current Limit Sat. Prevention Thermal Shut Down GND(Fin) Vcc1 Vcc1 Vcc2 Vcc2 Vcc1 ADJ GND Vo2 Vo1 Vcc2 Reference Voltage R1 R2 47 μF 47 μF 1 μF 1 μF 1 2 3 4 5 6 7 |
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