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MC44603ADW

更新时间： 2024-11-14 22:39:59
品牌 Logo 应用领域
摩托罗拉 - MOTOROLA 稳压器开关式稳压器或控制器电源电路开关式控制器光电二极管
页数 文件大小 规格书
24页 414K
描述
MIXED FREQUENCY MODE GREENLINE PWM CONTROLLER

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中文翻译

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MC44603ADW 技术参数

生命周期：Transferred零件包装代码：SOIC
包装说明：SOP, SOP16,.4针数：16
Reach Compliance Code：unknownECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.18
Is Samacsys：N模拟集成电路 - 其他类型：SWITCHING CONTROLLER
控制模式：CURRENT/VOLTAGE-MODE控制技术：PULSE WIDTH MODULATION
最大输入电压：14.5 V最小输入电压：9 V
标称输入电压：12 VJESD-30 代码：R-PDSO-G16
JESD-609代码：e0长度：10.3 mm
功能数量：1端子数量：16
最高工作温度：85 °C最低工作温度：-25 °C
最大输出电流：0.75 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
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：52 kHz
技术：BIPOLAR温度等级：OTHER
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
宽度：7.5 mmBase Number Matches：1

MC44603ADW 数据手册

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Order this document by MC44603A/D  
MIXED FREQUENCY MODE  
GREENLINE PWM*  
CONTROLLER:  
Fixed Frequency, Variable Frequency,  
Standby Mode  
VARIABLE FREQUENCY,  
FIXED FREQUENCY,  
STANDBY MODE  
The MC44603A is an enhanced high performance controller that is  
specifically designed for off–line and dc–to–dc converter applications. This  
device has the unique ability of automatically changing operating modes if  
the converter output is overloaded, unloaded, or shorted, offering the  
designer additional protection for increased system reliability. The  
MC44603A has several distinguishing features when compared to  
conventional SMPS controllers. These features consist of a foldback facility  
for overload protection, a standby mode when the converter output is slightly  
loaded, a demagnetization detection for reduced switching stresses on  
transistor and diodes, and a high current totem pole output ideally suited for  
driving a power MOSFET. It can also be used for driving a bipolar transistor  
in low power converters (< 150 W). It is optimized to operate in  
discontinuous mode but can also operate in continuous mode. Its advanced  
design allows use in current mode or voltage mode control applications.  
* PWM = Pulse Width Modulation  
16  
1
P SUFFIX  
PLASTIC PACKAGE  
CASE 648  
Current or Voltage Mode Controller  
• Operation up to 250 kHz Output Switching Frequency  
• Inherent Feed Forward Compensation  
• Latching PWM for Cycle–by–Cycle Current Limiting  
• Oscillator with Precise Frequency Control  
High Flexibility  
16  
1
DW SUFFIX  
PLASTIC PACKAGE  
CASE 751G  
• Externally Programmable Reference Current  
• Secondary or Primary Sensing  
(SOP–16L)  
• Synchronization Facility  
• High Current Totem Pole Output  
• Undervoltage Lockout with Hysteresis  
Safety/Protection Features  
PIN CONNECTIONS  
V
1
2
16  
15  
14  
R
R
CC  
ref  
• Overvoltage Protection Against Open Current and Open Voltage Loop  
• Protection Against Short Circuit on Oscillator Pin  
• Fully Programmable Foldback  
Frequency  
V
C
Standby  
Voltage Feedback  
Input  
Output  
Gnd  
3
4
5
13 Error Amp Output  
• Soft–Start Feature  
• Accurate Maximum Duty Cycle Setting  
• Demagnetization (Zero Current Detection) Protection  
• Internally Trimmed Reference  
R
Foldback Input  
12  
Power Standby  
Overvoltage  
Protection (OVP)  
Soft–Start/D  
Voltage Mode  
/
max  
6
7
11  
10  
Current Sense Input  
C
T
• Enhanced Output Drive  
Demag Detection  
8
9
Sync Input  
GreenLine Controller: Low Power Consumption in Standby Mode  
• Low Startup and Operating Current  
• Fully Programmable Standby Mode  
• Controlled Frequency Reduction in Standby Mode  
• Low dV/dT for Low EMI Radiations  
(Top View)  
ORDERING INFORMATION  
Operating  
Temperature Range  
Device  
Package  
Plastic DIP–16  
SOP–16L  
GreenLine is a trademark of Motorola, Inc.  
MC44603AP  
MC44603ADW  
T
= –25° to +85°C  
A
This document contains information on a new product. Specifications and information herein  
Motorola, Inc. 1997  
Rev 0  
are subject to change without notice.  
1234567...24

中文翻译

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MC44603DW ONSEMI

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