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MC34063AD 参数 Datasheet PDF下载

MC34063AD图片预览
型号: MC34063AD
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
文件页数/大小: 16 页 / 494 K
品牌: TI [ TEXAS INSTRUMENTS ]
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MC33063A, MC34063A
1.5-A PEAK BOOST/BUCK/INVERTING SWITCHING REGULATORS
www.ti.com
SLLS636J – DECEMBER 2004 – REVISED OCTOBER 2005
FEATURES
Wide Input Voltage Range…3 V to 40 V
High Output Switch Current…Up to 1.5 A
Adjustable Output Voltage
Oscillator Frequency…Up to 100 kHz
Precision Internal Reference…2%
Short-Circuit Current Limiting
Low Standby Current
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
I
pk
V
CC
Comparator Inverting Input
DRJ (QFN) PACKAGE
(TOP VIEW)
Switch Collector
Switch Emitter
Timing Capacitor
GND
1
2
3
4
8
7
6
5
Driver Collector
I
pk
V
CC
Comparator Inverting Input
Exposed thermal pad is connected internally to GND via die attach.
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.
ORDERING INFORMATION
T
A
PDIP – P
–40°C to 85°C
QFN – DRJ
SOIC – D
PDIP – P
0°C to 70°C
QFN – DRJ
SOIC – D
(1)
PACKAGE
(1)
Tube of 50
Reel of 1000
Tube of 75
Reel of 2500
Tube of 50
Reel of 1000
Tube of 75
Reel of 2500
ORDERABLE PART NUMBER
MC33063AP
MC33063ADRJR
MC33063AD
MC33063ADR
MC34063AP
MC34063ADRJR
MC34063AD
MC34063ADR
TOP-SIDE MARKING
MC33063AP
PREVIEW
M33063A
MC34063AP
PREVIEW
M34063A
Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at
www.ti.com/sc/package.
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.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright © 2004–2005, Texas Instruments Incorporated