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MC34025DWR2 PDF预览

MC34025DWR2

更新时间： 2024-02-27 11:29:18
品牌 Logo 应用领域
安森美 - ONSEMI 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
20页 473K
描述
High Speed Double−Ended PWM Controller

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中文翻译

获取价格

MC34025DWR2 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：LEAD FREE, SOIC-16针数：16
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：1 week
风险等级：5.8Is Samacsys：N
其他特性：CAN BE OPERATED IN CURRENT MODE模拟集成电路 - 其他类型：SWITCHING CONTROLLER
控制模式：VOLTAGE-MODE控制技术：PULSE WIDTH MODULATION
最大输入电压：30 V最小输入电压：8.8 V
标称输入电压：15 VJESD-30 代码：R-PDSO-G16
JESD-609代码：e3长度：10.3 mm
湿度敏感等级：3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：2 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：PUSH-PULL最大切换频率：1000 kHz
技术：BIPOLAR温度等级：COMMERCIAL
端子面层：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：40宽度：7.5 mm
Base Number Matches：1

MC34025DWR2 数据手册

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MC34025, MC33025  
High Speed Double−Ended  
PWM Controller  
The MC34025 series are high speed, fixed frequency, double−ended  
pulse width modulator controllers optimized for high frequency  
operation. They are specifically designed for Off−Line and  
DC−to−DC converter applications offering the designer a cost  
effective solution with minimal external components. These  
integrated circuits feature an oscillator, a temperature compensated  
reference, a wide bandwidth error amplifier, a high speed current  
sensing comparator, steering flip−flop, and dual high current totem  
pole outputs ideally suited for driving power MOSFETs.  
http://onsemi.com  
MARKING  
DIAGRAMS  
16  
Also included are protective features consisting of input and  
reference undervoltage lockouts each with hysteresis, cycle−by−cycle  
current limiting, and a latch for single pulse metering.  
PDIP−16  
P SUFFIX  
CASE 648  
MC3x025P  
AWLYYWWG  
16  
The flexibility of this series allows it to be easily configured for  
either current mode or voltage mode control.  
1
1
16  
Features  
• 50 ns Propagation Delay to Outputs  
SO−16WB  
DW SUFFIX  
CASE 751G  
MC3x025DW  
AWLYYWWG  
16  
• Dual High Current Totem Pole Outputs  
• Wide Bandwidth Error Amplifier  
1
• Fully−Latched Logic with Double Pulse Suppression  
• Latching PWM for Cycle−By−Cycle Current Limiting  
• Soft−Start Control with Latched Overcurrent Reset  
• Input Undervoltage Lockout with Hysteresis  
• Low Startup Current (500 mA Typ)  
1
x
A
WL  
YY  
WW  
G
= 3 or 4  
= Assembly Location  
= Wafer Lot  
= Year  
• Internally Trimmed Reference with Undervoltage Lockout  
• 45% Maximum Duty Cycle (Externally Adjustable)  
• Precision Trimmed Oscillator  
= Work Week  
= Pb−Free Package  
• Voltage or Current Mode Operation to 1.0 MHz  
• Functionally Similar to the UC3825  
PIN CONNECTIONS  
• Pb−Free Packages are Available*  
Error Amp  
Inverting Input  
1
2
16  
15  
14  
V
V
ref  
Error Amp  
Noninverting Input  
Error Amp Output  
16  
4
15  
CC  
5.1V  
Reference  
V
ref  
3
4
5
Output B  
V
CC  
Clock  
13  
12  
11  
10  
9
Clock  
V
C
5
UVLO  
Power Ground  
Output A  
R
T
R
T
Oscillator  
13  
14  
C
6
7
8
T
C
V
T
C
6
7
Ground  
Ramp  
Output B  
Ramp  
Current Limit/  
Shutdown  
Latching  
PWM and  
Steering  
Flip Flop  
Soft−Start  
3
2
Error Amp  
Output  
(Top View)  
Error  
Amp  
11  
Noninverting  
Input  
Output A  
Power  
Ground  
Inverting  
Input  
ORDERING INFORMATION  
See detailed ordering and shipping information in the package  
dimensions section on page 18 of this data sheet.  
1
8
12  
9
Current  
Limit/  
Shutdown  
Soft−Start  
Soft−Start  
*For additional information on our Pb−Free strategy  
and soldering details, please download the  
ON Semiconductor Soldering and Mounting  
Techniques Reference Manual, SOLDERRM/D.  
Ground  
10  
This device contains 227 active transistors.  
Figure 1. Simplified Application  
©
Semiconductor Components Industries, LLC, 2005  
1
Publication Order Number:  
October, 2005 − Rev. 7  
MC34025/D  
1234567...20

中文翻译

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MC34025DWR2 替代型号

型号 品牌 替代类型 描述 数据表
MC33025DWR2G ONSEMI

完全替代

 High Speed Double−Ended PWM Controller
MC34025DWR2G ONSEMI

完全替代

 High Speed Double−Ended PWM Controller
MC34025DWG ONSEMI

完全替代

 High Speed Double−Ended PWM Controller

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