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UC3909DW PDF预览

UC3909DW

更新时间: 2024-02-03 09:10:30
品牌 Logo 应用领域
德州仪器 - TI 稳压器开关式稳压器或控制器电源电路电池开关式控制器光电二极管
页数 文件大小 规格书
14页 748K
描述
Switchmode Lead-Acid Battery Charger

UC3909DW 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Obsolete零件包装代码:SOIC
包装说明:SOP, SOP20,.4针数:20
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:7.05
Is Samacsys:N模拟集成电路 - 其他类型:BATTERY CHARGE CONTROLLER
控制模式:CURRENT-MODE控制技术:PULSE WIDTH MODULATION
最大输入电压:35 V最小输入电压:8.8 V
标称输入电压:15 VJESD-30 代码:R-PDSO-G20
JESD-609代码:e4长度:10.365 mm
湿度敏感等级:2功能数量:1
端子数量:20最高工作温度:70 °C
最低工作温度:最大输出电流:0.1 A
封装主体材料:PLASTIC/EPOXY封装代码:SOP
封装等效代码:SOP20,.4封装形状:RECTANGULAR
封装形式:SMALL OUTLINE峰值回流温度(摄氏度):260
电源:15 V认证状态:Not Qualified
座面最大高度:2.64 mm子类别:Power Management Circuits
最大供电电流 (Isup):19 mA标称供电电压 (Vsup):15 V
表面贴装:YES切换器配置:SINGLE
最大切换频率:242 kHz技术:BIPOLAR
温度等级:COMMERCIAL端子面层:Nickel/Palladium/Gold (Ni/Pd/Au)
端子形式:GULL WING端子节距:1.27 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:7.5 mmBase Number Matches:1

UC3909DW 数据手册

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UC2909  
UC3909  
Switchmode Lead-Acid Battery Charger  
FEATURES  
DESCRIPTION  
Accurate and Efficient Control of  
Battery Charging  
The UC3909 family of Switchmode Lead-Acid Battery Chargers accurately  
controls lead acid battery charging with a highly efficient average current  
mode control loop. This chip combines charge state logic with average cur-  
rent PWM control circuitry. Charge state logic commands current or voltage  
control depending on the charge state. The chip includes undervoltage  
lockout circuitry to insure sufficient supply voltage is present before output  
switching starts. Additional circuit blocks include a differential current sense  
amplifier, a 1.5% voltage reference, a –3.9mV/°C thermistor linearization  
circuit, voltage and current error amplifiers, a PWM oscillator, a PWM com-  
parator, a PWM latch, charge state decode bits, and a 100mA open collec-  
tor output driver.  
Average Current Mode Control from  
Trickle to Overcharge  
Resistor Programmable Charge  
Currents  
Thermistor Interface Tracks Battery  
Requirements Over Temperature  
Output Status Bits Report on Four  
Internal Charge States  
Undervoltage Lockout Monitors VCC  
and VREF  
BLOCK DIAGRAM  
UDG-95007-1  
Pin numbers refer to J, N, DW packages.  
1/99  

UC3909DW 替代型号

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UC2909DW TI

完全替代

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