(Hong Kong)
Product Summary
The MC34063AP1 is a monolithic control circuit containing the primary functions required for DC−to−DC converters. The device consists of an internal temperature compensated reference, comparator, controlled duty cycle oscillator with an active current limit circuit, driver and high current output switch. The MC34063AP1 was specifically designed to be incorporated in Step−Down and Step−Up and Voltage−Inverting applications with a minimum number of external components. Refer to Application Notes AN920A/D and AN954/D for additional design information.
Parametrics
MC34063AP1 absolute maximum ratings: (1)Power Supply Voltage VCC: 40 Vdc; (2)Comparator Input Voltage Range VIR: -0.3 to +40 Vdc; (3)Switch Collector Voltage VC(switch): 40 Vdc; (4)Switch Emitter Voltage (VPin 1 = 40 V) VE(switch): 40 Vdc; (5)Switch Collector to Emitter Voltage VCE(switch): 40 Vdc; (6)Driver Collector Voltage VC(driver): 40 Vdc; (7)Driver Collector Current IC(driver): 100 mA; (8)Switch Current ISW: 1.5 A; (9)Power Dissipation and Thermal Characteristics TA = 25℃ PD: 1.25 W; (10)Thermal Resistance RθJA: 100 ℃/W; (11)Operating Junction Temperature TJ: +150 ℃; (12)Operating Ambient Temperature Range TA: 0 to +70℃; (13)Storage Temperature Range Tstg: -65 to +150℃.
Features
MC34063AP1 features: (1)Operation from 3.0 V to 40 V Input; (2)Low Standby Current; (3)Current Limiting; (4)Output Switch Current to 1.5 A; (5)Output Voltage Adjustable; (6)Frequency Operation to 100 kHz; (7)Precision 2% Reference.
Diagrams
| Image | Part No | Mfg | Description |  |
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 MC34063AP1 |
ON Semiconductor |
Switching Converters, Regulators & Controllers 40V 1.5A |
Data Sheet |
Negotiable |
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MC34063AP1G |
ON Semiconductor |
Switching Converters, Regulators & Controllers 40V 1.5A Buck/Boost/Inverting |
Data Sheet |
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