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MC34163

更新时间： 2024-11-04 22:54:55
品牌 Logo 应用领域
安森美 - ONSEMI 稳压器开关电源开关
页数 文件大小 规格书
16页 401K
描述
POWER SWITCHING REGULATORS

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中文翻译

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MC34163 数据手册

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Order this document by MC34163/D  
The MC34163 series are monolithic power switching regulators that  
contain the primary functions required for dc–to–dc converters. This series is  
specifically designed to be incorporated in step–up, step–down, and  
voltage–inverting applications with a minimum number of external  
components.  
POWER SWITCHING  
REGULATORS  
These devices consist of two high gain voltage feedback comparators,  
temperature compensated reference, controlled duty cycle oscillator, driver  
with bootstrap capability for increased efficiency, and a high current output  
switch. Protective features consist of cycle–by–cycle current limiting, and  
internal thermal shutdown. Also included is a low voltage indicator output  
designed to interface with microprocessor based systems.  
SEMICONDUCTOR  
TECHNICAL DATA  
These devices are contained in a 16 pin dual–in–line heat tab plastic  
package for improved thermal conduction.  
• Output Switch Current in Excess of 3.0 A  
• Operation from 2.5 V to 40 V Input  
• Low Standby Current  
• Precision 2% Reference  
• Controlled Duty Cycle Oscillator  
16  
1
P SUFFIX  
PLASTIC PACKAGE  
CASE 648C  
(DIP–16)  
• Driver with Bootstrap Capability for Increased Efficiency  
• Cycle–by–Cycle Current Limiting  
16  
• Internal Thermal Shutdown Protection  
• Low Voltage Indicator Output for Direct Microprocessor Interface  
• Heat Tab Power Package  
1
DW SUFFIX  
PLASTIC PACKAGE  
CASE 751G  
(SOP–16L)  
Representative Block Diagram  
PIN CONNECTIONS  
Driver  
Collector  
I
Limit  
Bootstrap Input  
1
2
3
4
5
6
7
8
16  
15  
14  
13  
12  
11  
10  
9
8
7
6
5
9
I
Sense  
LVI Output  
Voltage Feedback 2  
Voltage Feedback 1  
–
+
pk  
Switch  
Emitter  
10  
11  
12  
V
CC  
+
Switch  
Collector  
Timing  
Gnd  
Gnd  
OSC  
Capacitor  
Timing Capacitor  
Switch Collector  
Driver Collector  
Control Logic  
and Thermal  
Shutdown  
V
CC  
Gnd  
Gnd  
I
Sense  
pk  
4
3
13  
14  
+
(Top View)  
Voltage  
Feedback 1  
Switch  
Emitter  
ORDERING INFORMATION  
Operating  
+ VFB  
Voltage  
2
1
15  
16  
+
–
Feedback 2  
Temperature Range  
Device  
Package  
LVI  
+
Bootstrap  
Input  
LVI Output  
+
–
MC34163DW  
MC34163P  
MC33163DW  
MC33163P  
SOP–16L  
DIP–16  
T
= 0° to +70°C  
A
+
SOP–16L  
DIP–16  
(Bottom View)  
T
A
= – 40° to +85°C  
This device contains 114 active transistors.  
Motorola, Inc. 1996  
Rev 2  
1234567...16

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