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BD9306AFVM

Rohm
Part Number BD9306AFVM
Manufacturer Rohm
Description Boost Controller
Published Oct 20, 2014
Detailed Description Datasheet 4.2V to 18V Input 1ch Boost Controller BD9306AFVM General Description BD9306AFVM is a 1-channel DC/DC convert...
Datasheet PDF File BD9306AFVM PDF File

BD9306AFVM
BD9306AFVM

Overview
Datasheet 4.
2V to 18V Input 1ch Boost Controller BD9306AFVM General Description BD9306AFVM is a 1-channel DC/DC converter controller.
A Step-up DC/DC converter can be configured.
In addition, it has a built-in master-slave function which improves synchronization.
Features  1ch PWM Controlled DC/DC Converter Controller  Built-in Soft Start Function  Built-in Master / Slave Function  Protection Circuits:  Under Voltage Lockout Protection Circuit  Thermal Shutdown Circuit  Short Protection Circuit of Timer Latch type Key Specifications  Power Supply Voltage Range: 4.
2V to 18V  Error Amplifier Feed Back Voltage: 1.
25±1.
6%  Oscillating Frequency Range: 100kHz to 800kHz  Standby Current: 0µA(Typ)  Operating Temperature Range: -40°C to +85°C Package W(Typ) x D(Typ) x H(Max) Applications ・TV, Power Supply for the TFT-LCD Panels used for LCD TVs, Back Lights ・DSC, DVC, Printer, DVD ,DVD Recorder, Generally Consumer Equipments etc.
MSOP8 2.
90mm x 4.
00mm x 0.
90mm Typical Application Circuit FB 8 1.
25V Err OSC 1 RT 20Ω 10000pF 3.
9kΩ COMP 7 GND 6 VCccC 5 Soft Start Timer 0 Latch － Shut Down Vref UV-LO TSD Vcc Shut Down VCC 10uF 47uH V Io=30mA PWM DRV ENABLE 2 CT 200pF 3 ENB 10kΩ 4 GD VVCCCC Figure 1.
Typical Application Circuit 20uF 200kΩ 15kΩ VVoOUT 1kΩ 100pF ○Product structure：Silicon monolithic integrated circuit www.
rohm.
com © 2015 ROHM Co.
, Ltd.
All rights reserved.
TSZ22111・14・001 ○This product has no designed protection against radioactive rays 1/20 TSZ02201-0323AAJ00640-1-2 13.
Nov.
2015 Rev.
001 BD9306AFVM Pin Configuration TOP VIEW Pin Descriptions Pin No 1 2 3 4 5 6 7 8 Block Diagram Pin Name RT CT ENB GD VCC GND COMP FB Function External timing resistor pin External timing capacitor pin Control pin Gate drive output pin Power supply pin Ground pin Error amp output pin Error amp inversion input pin FB 8 1.
25V Err COMP 7 GND 6 VCVCcc 5 Soft Start Timer 0 Latch － Shut Down Vref UV-LO TSD Vcc Shut Down ...


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