Datasheet > MC33063A_09

MC33063A_09

更新时间： 2022-02-26 11:30:12

品牌	Logo	应用领域
德州仪器 - TI		开关
页数	文件大小	规格书
20页	735K
描述
1.5-A PEAK BOOST/BUCK/INVERTING SWITCHING REGULATORS

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MC33063A_09 数据手册

MC33063A

MC34063A

www.ti.com

SLLS636L –DECEMBER 2004–REVISED DECEMBER 2009

1.5-A PEAK BOOST/BUCK/INVERTING SWITCHING REGULATORS

Check for Samples: MC33063A MC34063A

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

Driver Collector

I_pk

V_CC

Comparator Inverting Input

DRJ (QFN) PACKAGE

(TOP VIEW)

†

Switch Collector

Driver Collector

Switch Emitter

I_pk

Timing Capacitor

V_CC

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.

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.

12 3 4 5 6 7...20

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