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MB39A110 Datasheet

Part NameDescriptionManufacturer
MB39A110 4-ch DC/DC Converter IC with Synchronous Rectification Fujitsu
Fujitsu Fujitsu
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■DESCRIPTION
The MB39A110 is a 4-channel DC/DC converter IC using pulse width modulation (PWM). This IC is ideal for up
conversion, down conversion, and up/down conversion.
This is built-in 4 ch in TSSOP-38P package and operates at 2 MHz Max. Each channel can be controlled, and
soft-start.
This is an ideal power supply for high-performance portable devices such as digital still cameras.
This product is covered by US Patent Number 6,147,477.

■FEATURES
• Supports for down-conversion and up/down Zeta conversion (CH1 to CH3)
• Supports for up-conversion and up/down Sepic conversion (CH4)
• For synchronous rectification (CH1, CH2)
• Power supply voltage range : 2.5 V to 11 V
• Reference voltage : 2.0 V ±1 %
• Error amplifier threshold voltage : 1.23 V ±1%
• High-frequency operation capability: 2 MHz (Max)
• Standby current : 0 µA (Typ)
• Built-in soft-start circuit independent of loads
• Built-in totem-pole type output for MOS FET
• Short-circuit detection capability by external signal (−INS terminal)
• One type of package (TSSOP-38 pin : 1 type)

■APPLICATIONS
• Digital still camera(DSC)
• Digital video camera(DVC)
• Surveillance camera etc.

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