■DESCRIPTION

The MB39A102 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. 4ch is built in TSSOP-30P/BCC-32P package. Each channel can be controlled, and soft-start. This is an ideal power supply for high-performance portable devices such as digital still cameras.

■FEATURES

• Supports for down-conversion and up/down Zeta conversion (CH1 to CH3)

• Supports for up-conversion and up/down Sepic conversion (CH4)

• Power supply voltage range : 2.5 V to 11 V

• Reference voltage : 2.0 V ±1

• Error amplifier threshold voltage : 1.24 V ±1.5

• Built-in totem-pole type output for MOS FET

• Built-in soft-start circuit without load dependence

• High-frequency operation capability : 1.5 MHz (Max)

• External short-circuit detection capability by −INS terminal