Fujitsu MB39A112
The MB39A112 is a 3-channel DC/DC converter IC using pulse width modulation (PWM) , and the MB39A112 is suitable for down-conversion. Each channel can be controlled and soft-start. The MB39A112 contains a constant voltage bias circuit for output block, capable of implementing an efficient high-frequency DC/DC converter.| Part No. | MB39A112 |
|---|---|
| Datasheet | MB39A112 Download |
| Manufacturer |  Fujitsu |
| Description | 3-Channel DC/DC Converter IC |
| Buy | Stock & Price |
APPLICATIONS
(General-Purpose DC/DC Converter) 3-ch DC/DC Converter IC MB39A112 sDESCRIPTION
3-channel is built in TSSOP-20P package. Each channel can be controlled and soft-start. It is ideal for built-in power supply such as ADSL modems. s REATURES● Supports for down-conversion (CH1 to CH3)
● Power supply voltage range : 7 V to 25 V
● Error amplifier threshold voltage : 1.00 V ± 1% (CH1) : 1.23 V ± 1% (CH2, CH3)
● Oscillation frequency range : 250 kHz to 2.6 MHz
● Built-in soft-start circuit independent of loads
● Built-in timer-latch short-circuit protection circuit
● Built-in totem-pole type output for P-channel MOS FET devices
● Built-in constant voltage (VCCO − 5 V) bias circuit for output block s PACKAGE 20-pin plastic TSSOP (FPT-20P-M06) MB39A112 s PIN ASSIGNMENT (TOP VIEW) CS1 : 1 −INE1 : 2 FB1 : 3 VCC : 4 RT : 5 CT : 6 GND : 7 FB2 : 8 −INE2 : 9 CS2 : 10 20 : VCCO 19 : OUT1 18 : OUT2 17 : OUT3 16 : VH 15 : GNDO 14 : CSCP 13 : FB3 12 : −INE3 11 : CS3 (FPT-20P-M06) 2 MB39A112 s PIN
DESCRIPTION
Pin No.
