MB39A115

5 ch DC/DC Converter IC with Synchronous Rectification

■DESCRIPTION TheMB39A115isa5-channelDC/DCconverterICusingpulsewidthmodulation(PWM),andtheMB39A115issuitableforupconversion,downconversion,andup/downconverstion.TheMB39A115isbuiltin5channelsintoTSSOP-38P/BCC-40Ppackageandoperatesat2MHzmaximumand,this

MB39A115

5ch DC/DC Converter IC with Synchronous Rectification; • Supports for down-conversion with synchronous rectification (ch.1)\n• Supports for down-conversion and up/down Zeta conversion (ch.2 to ch.4)\n• Supports for up-conversion and up/down Sepic conversion (ch.5)\n• Low voltage start-up (ch.5) : 1.7 V\n• Power supply voltage range : 2.5 V to 11 V\n• Reference voltage : 2.0 V ± 1%\n• Error amplifier threshold voltage : 1.0 V ± 1% (ch.1) , 1.23 V ± 1% (ch.2 to ch.5)\n• Oscillation frequency range : 200 kHz to 2.0 MHz\n• Standby current : 0 µA (Typ)\n• Built-in soft-start circuit independent of loads\n• Built-in totem-pole type output for MOS FET\n• Short-circuit detection capability by external signal (−INS terminal);

■ DESCRIPTION\nThe MB39A115 is a 5-channel DC/DC converter IC using pulse width modulation (PWM) , and the MB39A115 is suitable for up conversion, down conversion, and up/down converstion. The MB39A115 is built in 5 channels into TSSOP-38P/BCC-40P package and operates at 2 MHz maximum and, this IC can control and soft-start at each channel. The MB39A115 is suitable for power supply of high performance potable instruments such as a digital still camera (DSC).■ FEATURES\n• Supports for down-conversion with synchronous rectification (ch.1)\n• Supports for down-conversion and up/down Zeta conversion (ch.2 to ch.4)\n• Supports for up-conversion and up/down Sepic conversion (ch.5)\n• Low voltage start-up (ch.5) : 1.7 V\n• Power supply voltage range : 2.5 V to 11 V\n• Reference voltage : 2.0 V ± 1%\n• Error amplifier threshold voltage : 1.0 V ± 1% (ch.1) , 1.23 V ± 1% (ch.2 to ch.5)\n• Oscillation frequency range : 200 kHz to 2.0 MHz\n• Standby current : 0 µA (Typ)\n• Built-in soft-start circuit independent of loads\n• Built-in totem-pole type output for MOS FET\n• Short-circuit detection capability by external signal (−INS terminal)

MB39A115PFT

5 ch DC/DC Converter IC with Synchronous Rectification

■DESCRIPTION TheMB39A115isa5-channelDC/DCconverterICusingpulsewidthmodulation(PWM),andtheMB39A115issuitableforupconversion,downconversion,andup/downconverstion.TheMB39A115isbuiltin5channelsintoTSSOP-38P/BCC-40Ppackageandoperatesat2MHzmaximumand,this

MB39A115PV2

5 ch DC/DC Converter IC with Synchronous Rectification

■DESCRIPTION TheMB39A115isa5-channelDC/DCconverterICusingpulsewidthmodulation(PWM),andtheMB39A115issuitableforupconversion,downconversion,andup/downconverstion.TheMB39A115isbuiltin5channelsintoTSSOP-38P/BCC-40Ppackageandoperatesat2MHzmaximumand,this