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CS3845GD14 PDF预览

CS3845GD14

更新时间: 2024-02-13 15:30:32
品牌 Logo 应用领域
安森美 - ONSEMI 开关光电二极管
页数 文件大小 规格书
12页 158K
描述
1A SWITCHING CONTROLLER, PDSO14, SO-14

CS3845GD14 技术参数

是否Rohs认证: 不符合生命周期:Transferred
包装说明:SO-14Reach Compliance Code:unknown
风险等级:5.73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:25 V最小输入电压:12 V
标称输入电压:15 VJESD-30 代码:R-PDSO-G14
JESD-609代码:e0功能数量:1
端子数量:14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:SOP
封装等效代码:SOP14,.25封装形状:RECTANGULAR
封装形式:SMALL OUTLINE认证状态:Not Qualified
子类别:Switching Regulator or Controllers表面贴装:YES
切换器配置:BUCK最大切换频率:500 kHz
技术:BIPOLAR温度等级:COMMERCIAL
端子面层:Tin/Lead (Sn/Pb)端子形式:GULL WING
端子节距:1.27 mm端子位置:DUAL
Base Number Matches:1

CS3845GD14 数据手册

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CS2844, CS3844, CS2845,  
CS3845  
Current Mode PWM  
Control Circuit with  
50% Max Duty Cycle  
http://onsemi.com  
MARKING  
The CS3844/45 provides all the necessary features to implement  
off–line fixed frequency current–mode control with a minimum  
number of external components.  
The CS3844 family incorporates a new precision  
temperature–controlled oscillator to minimize variations in frequency.  
An internal toggle flip–flop, which blanks the output every other clock  
cycle, limits the duty–cycle range to less than 50%. An undervoltage  
DIAGRAMS  
8
CSx84yN  
AWL  
YYWW  
DIP–8  
N SUFFIX  
CASE 626  
8
lockout ensures that V  
is stabilized before the output stage is  
REF  
1
8
1
enabled. In the CS2844/CS3844 turn on occurs at 16 V and turn off at  
10 V. In the CS2845/CS3845 turn on is at 8.4 V and turn off at 7.6 V.  
Other features include low start–up current, pulse–by–pulse current  
limiting, and a high–current totem pole output for driving capacitive  
loads, such as gate of a power MOSFET. The output is low in the off  
state, consistent with N–channel devices.  
SO–8  
D SUFFIX  
CASE 751  
384yD  
ALYW  
8
1
1
14  
SO–14  
D SUFFIX  
CASE 751A  
Features  
Optimized for Off–Line Control  
Temp. Compensated Oscillator  
50% Max Duty–Cycle Clamp  
CSx84yD14  
AWLYWW  
14  
1
1
16  
V  
Stabilized Before Output Stage Is Enabled  
REF  
SO–16L  
DW SUFFIX  
CASE 751G  
Low Start–Up Current  
CSx84yDW  
AWLYYWW  
16  
Pulse–By–Pulse Current Limiting  
Improved Undervoltage Lockout  
Double Pulse Suppression  
1
1
1.0% Trimmed Bandgap Reference  
High Current Totem Pole Output  
x
y
= 2 or 3  
= 4 or 5  
A
= Assembly Location  
WL, L = Wafer Lot  
YY, Y = Year  
WW, W = Work Week  
ORDERING INFORMATION  
See detailed ordering and shipping information in the package  
dimensions section on page 7 of this data sheet.  
Semiconductor Components Industries, LLC, 2001  
1
Publication Order Number:  
June, 2001 – Rev. 3  
CS2844/D  

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