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MC34063ADG4 参数 Datasheet PDF下载

MC34063ADG4图片预览
型号: MC34063ADG4
PDF下载: 下载PDF文件 查看货源
内容描述: 1.5 A峰值升压/降压/反相开关稳压器 [1.5-A PEAK BOOST/BUCK/INVERTING SWITCHING REGULATORS]
分类和应用: 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
文件页数/大小: 20 页 / 735 K
品牌: TI [ TEXAS INSTRUMENTS ]
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MC33063A  
MC34063A  
www.ti.com  
SLLS636L DECEMBER 2004REVISED DECEMBER 2009  
1.5-A PEAK BOOST/BUCK/INVERTING SWITCHING REGULATORS  
Check for Samples: MC33063A MC34063A  
1
FEATURES  
Wide Input Voltage Range: 3 V to 40 V  
Precision Internal Reference: 2%  
High Output Switch Current: Up to 1.5 A  
Adjustable Output Voltage  
Short-Circuit Current Limiting  
Low Standby Current  
Oscillator Frequency Up to 100 kHz  
D (SOIC) OR P (PDIP) PACKAGE  
(TOP VIEW)  
Switch Collector  
Switch Emitter  
Timing Capacitor  
GND  
1
2
3
4
8
7
6
5
Driver Collector  
Ipk  
VCC  
Comparator Inverting Input  
DRJ (QFN) PACKAGE  
(TOP VIEW)  
Switch Collector  
8
1
Driver Collector  
2
3
4
Switch Emitter  
7
6
5
Ipk  
Timing Capacitor  
VCC  
GND  
Comparator Inverting Input  
The exposed thermal pad is electrically bonded internally to pin 4 (GND) .  
DESCRIPTION/ORDERING INFORMATION  
The MC33063A and MC34063A are easy-to-use ICs containing all the primary circuitry needed for building  
simple dc-dc converters. These devices primarily consist of an internal temperature-compensated reference, a  
comparator, an oscillator, a PWM controller with active current limiting, a driver, and a high-current output switch.  
Thus, the devices require minimal external components to build converters in the boost, buck, and inverting  
topologies.  
The MC33063A is characterized for operation from –40°C to 85°C, while the MC34063A is characterized for  
operation from 0°C to 70°C.  
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas  
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
PRODUCTION DATA information is current as of publication date.  
Copyright © 2004–2009, Texas Instruments Incorporated  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
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