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MC34129 PDF预览

MC34129

更新时间: 2024-01-27 12:31:25
品牌 Logo 应用领域
摩托罗拉 - MOTOROLA 控制器
页数 文件大小 规格书
16页 351K
描述
HIGH PERFORMANCE CURRENT MODE CONTROLLERS

MC34129 技术参数

是否Rohs认证: 不符合生命周期:Transferred
零件包装代码:DIP包装说明:DIP,
针数:14Reach Compliance Code:not_compliant
ECCN代码:EAR99HTS代码:8542.31.00.01
风险等级:5.69Is Samacsys:N
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:12 V
最小输入电压:4.2 V标称输入电压:10 V
JESD-30 代码:R-PDIP-T14JESD-609代码:e0
长度:18.86 mm湿度敏感等级:1
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:DIP封装形状:RECTANGULAR
封装形式:IN-LINE峰值回流温度(摄氏度):225
认证状态:Not Qualified座面最大高度:4.69 mm
表面贴装:NO切换器配置:SINGLE
最大切换频率:300 kHz技术:BIPOLAR
温度等级:COMMERCIAL端子面层:Tin/Lead (Sn/Pb)
端子形式:THROUGH-HOLE端子节距:2.54 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:7.62 mmBase Number Matches:1

MC34129 数据手册

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Order this document by MC34129/D  
HIGH PERFORMANCE  
CURRENT MODE  
CONTROLLERS  
The MC34129/MC33129 are high performance current mode switching  
regulators specifically designed for use in low power digital telephone  
applications. These integrated circuits feature a unique internal fault timer  
that provides automatic restart for overload recovery. For enhanced system  
efficiency, a start/run comparator is included to implement bootstrapped  
SEMICONDUCTOR  
TECHNICAL DATA  
operation of V . Other functions contained are a temperature compensated  
CC  
reference, reference amplifier, fully accessible error amplifier, sawtooth  
oscillator with sync input, pulse width modulator comparator, and a high  
current totem pole driver ideally suited for driving a power MOSFET.  
Also included are protective features consisting of soft–start,  
undervoltage lockout, cycle–by–cycle current limiting, adjustable deadtime,  
and a latch for single pulse metering.  
P SUFFIX  
PLASTIC PACKAGE  
CASE 646  
14  
Although these devices are primarily intended for use in digital telephone  
systems, they can be used cost effectively in many other applications.  
1
Current Mode Operation to 300 kHz  
Automatic Feed Forward Compensation  
Latching PWM for Cycle–by–Cycle Current Limiting  
Continuous Retry after Fault Timeout  
Soft–Start with Maximum Peak Switch Current Clamp  
Internally Trimmed 2% Bandgap Reference  
High Current Totem Pole Driver  
D SUFFIX  
PLASTIC PACKAGE  
14  
CASE 751A  
(SO–14)  
1
Input Undervoltage Lockout  
Low Startup and Operating Current  
Direct Interface with Motorola SENSEFET Products  
PIN CONNECTIONS  
Drive Output  
Drive Ground  
Ramp Input  
1
2
3
4
5
6
7
14 V  
CC  
13 Start/Run Output  
12  
11  
10  
9
C
Soft–Start  
Feedback/  
PWM Input  
Error Amp  
Inverting Input  
Error Amp  
Noninverting Input  
Sync/Inhibit  
Input  
Simplified Block Diagram  
R /C  
T
T
13  
14  
Start/Run  
Output  
Start/Run  
V
2.5 V  
Gnd  
ref  
8
V
1.25 V  
ref  
Soft–Start  
and  
Fault Timer  
12  
Undervoltage  
Lockout  
C
Soft–Start  
V
CC  
(Top View)  
8
1.25V  
Reference  
V
1.25V  
ref  
7
6
Gnd  
Error Amp  
Noninverting  
Input  
Inverting  
Input  
Feedback/  
PWM Input  
Drive Out  
Drive Gnd  
Ramp Input  
9
ORDERING INFORMATION  
Operating  
+
10  
X2  
V
2.5V  
ref  
Temperature Range  
Device  
Package  
11  
1
Latching  
PWM  
MC34129D  
MC34129P  
MC33129D  
MC33129P  
SO–14  
T
= 0° to +70°C  
A
5
4
Plastic DIP  
Oscillator  
R /C  
T
T
2
SO–14  
T
= 40° to +85°C  
3
A
Sync/Inhibit  
Input  
Plastic DIP  
Motorola, Inc. 1996  
Rev 1  

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