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ML4824CS1X PDF预览

ML4824CS1X

更新时间: 2024-09-28 21:02:43
品牌 Logo 应用领域
飞兆/仙童 - FAIRCHILD 功率因数校正光电二极管
页数 文件大小 规格书
15页 130K
描述
CCM PFC + PWM Combination Controller , 16LD,SOIC,JEDEC MS013, .300" WIDE BODY, 1000/TAPE REEL

ML4824CS1X 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, SOP16,.4针数:16
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.31.00.01风险等级:5.26
其他特性:CAN ALSO BE CONFIGURED IN CURRENT MODE模拟集成电路 - 其他类型:POWER FACTOR CONTROLLER WITH POST REGULATOR
控制模式:VOLTAGE-MODE控制技术:PULSE WIDTH MODULATION
最大输入电压:12.8 V最小输入电压:11 V
标称输入电压:11.8 VJESD-30 代码:R-PDSO-G16
JESD-609代码:e3长度:10.3 mm
湿度敏感等级:1功能数量:1
端子数量:16最高工作温度:70 °C
最低工作温度:最大输出电流:0.5 A
封装主体材料:PLASTIC/EPOXY封装代码:SOP
封装等效代码:SOP16,.4封装形状:RECTANGULAR
封装形式:SMALL OUTLINE峰值回流温度(摄氏度):260
认证状态:Not Qualified座面最大高度:2.65 mm
子类别:Switching Regulator or Controllers表面贴装:YES
切换器配置:SINGLE最大切换频率:250 kHz
技术:BIPOLAR温度等级:COMMERCIAL
端子面层:Matte Tin (Sn)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:30宽度:7.5 mm
Base Number Matches:1

ML4824CS1X 数据手册

 浏览型号ML4824CS1X的Datasheet PDF文件第2页浏览型号ML4824CS1X的Datasheet PDF文件第3页浏览型号ML4824CS1X的Datasheet PDF文件第4页浏览型号ML4824CS1X的Datasheet PDF文件第5页浏览型号ML4824CS1X的Datasheet PDF文件第6页浏览型号ML4824CS1X的Datasheet PDF文件第7页 
www.fairchildsemi.com  
ML4824  
Power Factor Correction and PWM Controller  
Combo  
Features  
General Description  
• Internally synchronized PFC and PWM in one IC  
• Low total harmonic distortion  
• Reduces ripple current in the storage capacitor between  
the PFC and PWM sections  
• Average current, continuous boost leading edge PFC  
• Fast transconductance error amp for voltage loop  
• High efficiency trailing edge PWM can be configured for  
current mode or voltage mode operation  
• Average line voltage compensation with brownout  
control  
The ML4824 is a controller for power factor corrected,  
switched mode power supplies. Power Factor Correction  
(PFC) allows the use of smaller, lower cost bulk capacitors,  
reduces power line loading and stress on the switching FETs,  
and results in a power supply that fully complies with  
IEC1000-2-3 specification. The ML4824 includes circuits  
for the implementation of a leading edge, average current,  
“boost” type power factor correction and a trailing edge,  
pulse width modulator (PWM).  
The device is available in two versions; the ML4824-1 (fPWM  
= fPFC) and the ML4824-2 (fPWM = 2 x fPFC). Doubling the  
switching frequency of the PWM allows the user to design  
with smaller output components while maintaining the best  
operating frequency for the PFC. An over-voltage compara-  
tor shuts down the PFC section in the event of a sudden  
decrease in load. The PFC section also includes peak current  
limiting and input voltage brown-out protection. The PWM  
section can be operated in current or voltage mode at up to  
250kHz and includes a duty cycle limit to prevent trans-  
former saturation.  
• PFC overvoltage comparator eliminates output  
“runaway” due to load removal  
• Current fed gain modulator for improved noise immunity  
• Overvoltage protection, UVLO, and soft start  
Block Diagram  
16  
1
13  
POWER FACTOR CORRECTOR  
V
CC  
IEAO  
VEAO  
V
CCZ  
13.5V  
OVP  
+
V
V
REF  
VEA  
FB  
7.5V  
REFERENCE  
IEA  
14  
12  
3.5kΩ  
15  
+
2.7V  
+
2.5V  
AC  
+
S
Q
I
2
4
3
1V  
+
GAIN  
MODULATOR  
V
R
S
Q
Q
RMS  
PFC OUT  
3.5kΩ  
PFC I  
LIMIT  
I
SENSE  
R
Q
RAMP 1  
OSCILLATOR  
7
8
x 2  
(-2 VERSION ONLY)  
RAMP 2  
DUTY CYCLE  
LIMIT  
8V  
V
1.25V  
DC  
6
5
9
+
PWM OUT  
V
S
R
Q
Q
CC  
11  
V
OK  
1V  
IN  
V
50µA  
FB  
SS  
+
2.5V  
+
+
DC I  
LIMIT  
8V  
DC I  
LIMIT  
V
UVLO  
CCZ  
PULSE WIDTH MODULATOR  
REV. 1.0.4 6/6/01  

ML4824CS1X 替代型号

型号 品牌 替代类型 描述 数据表
ML4824CS1 FAIRCHILD

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ML4824IS1 FAIRCHILD

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Power Factor Correction and PWM Controller Combo

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