描述 Description

是內(nèi)置FET的數(shù)碼相機用6信道開關(guān)穩(wěn)壓器 + 單信道LDO。是最適合搭載CMOS傳感器的數(shù)碼相機等設備的電源構(gòu)成。采用小型封裝的WL-CSP，CH1～CH4內(nèi)置反饋電阻，可以較少的部件數(shù)構(gòu)成，有助于減小安裝面積。

特性 Features

? 2.5V minimum input operating, and Supplies power for the internal circuit by step-up converter(CH1).
? CH1 step-up converter, CH2 cross converter, CH3,4 step-down converter CH5 step-down converter controllable output voltage by external resister.CH6 boost converter for LED,
? All channels contain internal Power MOSFET and compensation.
? Operating frequency of 2.0 MHz (CH3,4,5) and 1.0MHz （CH1,2,6）.
? Includes Over Voltage Protection (OVP) for CH1, 2, 6.
? Includes LDO controllable output voltage by serial communication.
? Contains sequence control circuit for CH1～3. It is possible to select sequence CH1?CH3?CH4?CH2 and CH1?CH4?CH3?CH2 by SEQ_CTL pin CH1, 2, 3, 4. CH5, 6, and LDO are possible to turn ON/OFF by serial communication.
8) Built-In discharge switch (CH2,3,4) and contains off sequence control circuit for CH1～4 with inverted start-up sequence.
9) Included cut off output voltage circuit during over current (timer latch type).
10) Include back-gate control for CH1 with soft start function