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FSEZ2037NY

更新时间： 2024-11-11 20:11:07
品牌 Logo 应用领域
飞兆/仙童 - FAIRCHILD 开关光电二极管
页数 文件大小 规格书
13页 501K
描述
Switching Controller, Current-mode, 70kHz Switching Freq-Max, PDIP8, 300 INCH, GREEN, MS-001BA, MDIP-8

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FSEZ2037NY 技术参数

是否Rohs认证： 符合生命周期：Obsolete
零件包装代码：DIP包装说明：DIP, DIP8,.3
针数：8Reach Compliance Code：unknown
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.84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：23.5 V最小输入电压：8.5 V
标称输入电压：15 VJESD-30 代码：R-PDIP-T8
长度：9.415 mm功能数量：1
端子数量：8最高工作温度：105 °C
最低工作温度：-40 °C封装主体材料：PLASTIC/EPOXY
封装代码：DIP封装等效代码：DIP8,.3
封装形状：RECTANGULAR封装形式：IN-LINE
认证状态：Not Qualified座面最大高度：5.08 mm
子类别：Switching Regulator or Controllers表面贴装：NO
切换器配置：SINGLE最大切换频率：70 kHz
温度等级：INDUSTRIAL端子形式：THROUGH-HOLE
端子节距：2.54 mm端子位置：DUAL
宽度：7.62 mmBase Number Matches：1

FSEZ2037NY 数据手册

 浏览型号FSEZ2037NY的Datasheet PDF文件第2页浏览型号FSEZ2037NY的Datasheet PDF文件第3页浏览型号FSEZ2037NY的Datasheet PDF文件第4页浏览型号FSEZ2037NY的Datasheet PDF文件第5页浏览型号FSEZ2037NY的Datasheet PDF文件第6页浏览型号FSEZ2037NY的Datasheet PDF文件第7页 
January 2010  
FSEZ2037  
Low-Power Green-Mode PWM with Power MOSFET  
Integrated without Secondary Feedback (CC)  
Features  
Description  
This highly integrated PWM controller provides several  
features to enhance the performance of low-power  
flyback converters. To minimize standby power  
ƒ Linearly Decreasing PWM Frequency  
ƒ Green Mode Under Light-load and Zero-load  
Conditions  
consumption,  
a
proprietary green-mode function  
provides off-time modulation to linearly decrease the  
switching frequency under light-load and zero-load  
conditions. This green mode enables the power supply  
to meet international power conservation requirements.  
Another advantage is typical startup current of only  
8μA, while the typical operating current can be as low  
as 3.6mA. A large startup resistance can be used to  
achieve even higher power conversion efficiency.  
ƒ Constant Current (CC) without Secondary-Feedback  
Circuitry  
ƒ Low Startup Current: 8μA  
ƒ Low Operating Current: 3.6mA  
ƒ Leading-Edge Blanking  
ƒ Constant Power Limit  
ƒ Universal AC Input Range  
FSEZ2037 integrates a frequency-hopping function  
internally to reduce EMI emissions with minimum line  
filters. Built-in synchronized slope compensation  
maintains the stability of peak current-mode control.  
Proprietary internal compensation ensures constant  
output power limiting over a universal range of AC input  
ƒ Synchronized Slope Compensation  
ƒ 140°C OTP Sensor with Hysteresis  
ƒ VDD Over-Voltage Protection (Auto Restart)  
ƒ Cycle-by-Cycle Current Limiting  
ƒ Under-Voltage Lockout (UVLO)  
ƒ Fixed PWM Frequency with Hopping  
ƒ Gate Output Maximum Voltage Clamped at 17V  
voltages, from 90VAC to 264VAC  
.
The FSEZ2037 provides many protection functions.  
Pulse-by-pulse current limiting ensures constant output  
current, even if a short circuit occurs. The internal  
protection circuit disables PWM output if VDD exceeds  
24.5V. The gate output is clamped at 17V to protect the  
power MOS from over-voltage damage. The built-in  
over-temperature protection (OTP) function shuts down  
the controller at 140°C with a 30°C hysteresis.  
Applications  
General-purpose switching-mode power supplies  
(SMPS) and flyback power converters, such as:  
ƒ Battery Chargers for Cellular Phones, Cordless  
Phones, PDAs, Digital Cameras, Power Tools  
ƒ Power Adapters for Ink Jet Printers, Video Game  
Consoles, Portable Audio Players  
ƒ Open-Frame SMPS for TV/DVD Standby and Auxiliary  
Supplies, Home Appliances, Consumer Electronics  
ƒ Replacement for Linear Transformers and RCC SMPS  
ƒ PC 5V Standby Power  
Ordering Information  
Operating  
Temperature Range  
Part Number  
Package  
Packing Method  
Eco Status  
8-Lead, Dual-Outline  
Package (DIP-8)  
FSEZ2037NY  
Green  
Tube  
-40°C to +105°C  
For Fairchild’s definition of Eco Status, please visit: http://www.fairchildsemi.com/company/green/rohs_green.html.  
© 2009 Fairchild Semiconductor Corporation  
FSEZ2037 • Rev. 1.0.0  
www.fairchildsemi.com  
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