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UC3870N-1 PDF预览

UC3870N-1

更新时间: 2024-02-01 10:09:42
品牌 Logo 应用领域
其他 - ETC 开关光电二极管控制器
页数 文件大小 规格书
10页 354K
描述
Current-Mode SMPS Controller

UC3870N-1 技术参数

是否无铅: 含铅是否Rohs认证: 不符合
生命周期:Obsolete零件包装代码:DIP
包装说明:DIP, DIP18,.3针数:18
Reach Compliance Code:not_compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.79
Is Samacsys:N模拟集成电路 - 其他类型:SWITCHING CONTROLLER
控制模式:CURRENT-MODE控制技术:PULSE WIDTH MODULATION
最大输入电压:24 V最小输入电压:12 V
标称输入电压:12 VJESD-30 代码:R-PDIP-T18
功能数量:1端子数量:18
最高工作温度:70 °C最低工作温度:
最大输出电流:1 A封装主体材料:PLASTIC/EPOXY
封装代码:DIP封装等效代码:DIP18,.3
封装形状:RECTANGULAR封装形式:IN-LINE
峰值回流温度(摄氏度):NOT SPECIFIED认证状态:Not Qualified
子类别:Switching Regulator or Controllers表面贴装:NO
切换器配置:PUSH-PULL最大切换频率:300 kHz
技术:BIPOLAR温度等级:COMMERCIAL
端子形式:THROUGH-HOLE端子节距:2.54 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
Base Number Matches:1

UC3870N-1 数据手册

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UC1870 -1/ -2  
UC2870 -1/ -2  
UC3870 -1/ -2  
DESCRIPTION (continued)  
A low power sleep mode can be invoked through the SS thresholds of 10V and 9V respectively. A precision 2.5V  
pin. Quiescent supply current in sleep mode is typically reference can supply 20mA to external circuitry. An error  
less than 50 A. Two UVLO options are available. The amplifier with soft start, high bandwidth current amplifier,  
UC3870-1 is designed for logic level MOSFETs and has and a synchronizable oscillator are additional features.  
UVLO turn-on and turn-off thresholds of 4.5V and 4.4V  
Available packages include 18-pin plastic and ceramic  
respectively. The UC3870-2 is designed for standard  
DIP (N, J), 18-pin SOIC (DW), and 20-pin plastic and  
power MOSFETs and has UVLO turn-on and turn-off  
ceramic leadless chip carriers (Q, L).  
CONNECTION DIAGRAMS  
ABSOLUTE MAXIMUM RATINGS  
Supply Voltage (VCC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36V  
Boost Voltage (BOOT). . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50V  
OUTPUT Drivers (HDRIVE, LDRIVE) Currents  
DIL-18 (TOP VIEW)  
J or N, DW Packages  
(continuous) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.25A  
(peak) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1A  
VREF Current. . . . . . . . . . . . . . . . . . . . . . . . . . internally limited  
Inputs (VSNS, SS, COMP, CT) . . . . . . . . . . . . . . . . –0.3 to 10V  
Inputs (CMD) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.3 to 7.5V  
Inputs (ISNS+, ISNS-) . . . . . . . . . . . . . . . . . . . . . . . –0.3 to20V  
Outputs (CAO) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.3 to10V  
Soft start Sinking Current . . . . . . . . . . . . . . . . . . . . . . . . 1.5mA  
Storage Temperature . . . . . . . . . . . . . . . . . . . –65°C to +150°C  
Junction Temperature. . . . . . . . . . . . . . . . . . . 65°C to +150°C  
Lead Temperature (Soldering, 10 sec.) . . . . . . . . . . . . . +300°C  
All currents are positive into, negative out of the specified ter-  
minal. All voltages are referenced to GND. Consult Packaging  
Section of Databook for thermal limitations and considerations  
of packages.  
PLCC-20 (TOP VIEW)  
J or N, DW Packages  
PLCC-20 (TOP VIEW)  
J or N, DW Packages  
2

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