BD9859EFJ主要用于2次测电源用途,例如从9V、12V固定电源降压到1.2V/1.8V/3.3V/5V等输出电压。 此IC根据750kHz高频率工作能实现外置线圈和电容的小型化,内置15V耐压整流用Nch-FET SW,具有电流模式控制下的高速负载响应、简单的外部设定相位补偿系统,通过宽范围的外置常量能简单构成小型电源。

型号Status封装包装数量最小独立包装数量包装形态RoHS数据手册
BD9859EFJ-E2ActiveHTSOP-J825002500TapingYesBD9859EFJ
技术特性
GradeStandard
ch1
Integrated FET / ControllerIntegrated FET
Buck / Boost / Buck-Boost / InvertingBuck
Synchronous / NonsynchronousNonsynchronous
Vin1(Min.)[V]5.0
Vin1(Max.)[V]14.0
Vout1(Min.)[V]1.0
Vout1(Max.)[V]10.5
Iout1(Max.)[A]3.0
SW frequency(Max.)[MHz]0.75
Light Load modeNo
ENYes
PGOODNo
Operating Temperature (Min.)[°C]-40
Operating Temperature (Max.)[°C]85
应用领域
  • Coin Processing Machines
  • Portable Data Terminal
  • Meter for Medical Treatments Portable
  • Barcode Scanner
  • Digital Multimeter: Handy Type
  • Digital Stethoscope
  • Single Board Computer
  • Network Attached Storage
  • 冰箱
  • DVD
  • 家庭音响
  • X-ray Inspection Machine for Security
  • Monitor for Medical
  • CT Scanner
  • ECG(EKG)
  • Intercom / Baby Monitor
  • Fingerprint Authentication Device
  • Machine Vision Camera for Industrial
  • 家庭影院
  • Pulse Oximeter
  • Display for EMS
  • Digital Multimeter: Bench Type
  • TV
技术支持资料下载
产品特点
  • 内置100 mΩ Nch MOSFET
  • 输出电流 3A
  • 振荡频率 750kHz
  • 反馈电压 1.0V±1.0%
  • 内置软启动功能
  • 内置过电流保护电路、低输入误工作防止电路、加热保护电路
  • 通过EN端子进行ON/OFF控制 (待机电流0μA Typ.)
  • 封装 :HTSOP-J8 封装
引脚配置图
BD9859EFJ BD9859EFJ
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Application Note BU9006GUZ
Application Note BU9006GUZ
Application Note BU9006GUZ
Application Note BA12004BF
Application Note BU9006GUZ
Application Note BU9006GUZ
Application Note BU9006GUZ
Application Note BU9006GUZ
Package Information BD9D321EFJ
Package Information BD9D321EFJ
Part Explanation BA12004BF
Package Information BD9859EFJ