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MB39C007 Datasheet(PDF) 1 Page - Cypress Semiconductor |
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MB39C007 Datasheet(HTML) 1 Page - Cypress Semiconductor |
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1 / 41 page  MB39C007 2 ch DC/DC Converter IC with PFM/PWM Synchronous Rectification Cypress Semiconductor Corporation • 198 Champion Court • San Jose , CA 95134-1709 • 408-943-2600 Document Number: 002-08228 Rev. *C Revised May 31, 2017 Description The MB39C007 is a current mode type 2-channel DC/DC converter IC built-in voltage detection, synchronous rectifier, and down conversion support. The device is integrated with a switching FET, oscillator, error amplifier, PFM/PWM control circuit, reference voltage source, and voltage detection circuit. The external inductor and de-coupling capacitor are needed only for the external component.MB39C007 is small, achieve a highly effective DC/DC converter in the full load range. This device is suitable as the built-in power supply for handheld equipment such as mobile phones/PDA, DVDs, and HDDs. Features ■ High efficiency: 96 % (Max) ■ Low current consumption: 30 μA (At PFM/ch) ■ Output current: 800 mA/ch (Max) ■ Input voltage range: 2.5 V to 5.5 V ■ Operating frequency: 2.0 MHz (Typ) ■ Built-in PWM operation fixed function ■ No flyback diode needed ■ Low dropout operation: For 100 % on duty ■ Built-in high-precision reference voltage generator: 1.30 V ± 2% ■ Consumption current in shutdown mode: 1 μA or less ■ Built-in switching FET: P-ch MOS 0.3 Ω (Typ), N-ch MOS 0.2 Ω (Typ) ■ High speed for input and load transient response in the current mode ■ Over-temperature protection ■ Packaged in a compact package: QFN-24 Applications ■ Flash ROMs ■ MP3 players ■ Electronic dictionary devices ■ Surveillance cameras ■ Portable GPS navigators ■ DVD drives ■ IP phones ■ Network hubs ■ Mobile phones etc. |
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