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NCP3063-D| Datasheet

By datasheet - July 15th, 2008

NCP3063-D| Datasheet

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NCP3063, NCP3063B, NCV3063 1.5 A, Step-Up/Down/ Inverting Switching Regulators
The NCP3063 Series is a higher frequency upgrade to the popular MC34063A and MC33063A monolithic DC-DC converters. These devices consist of an internal temperature compensated reference, comparator, a controlled duty cycle oscillator with an active current limit circuit, a driver and a high current output switch. This series was specifically designed to be incorporated in Step-Down, Step-Up and Voltage-Inverting applications with a minimum number of external components.
Features http://onsemi.com MARKING DIAGRAMS

8 1 SOIC-8 D SUFFIX CASE 751 1

3063x ALYW G

Operation to 40 V Input Low Standby Current Output Switch Current to 1.5 A Output Voltage Adjustable Frequency Operation of 150 kHz Precision 1.5% Reference New Features: Internal Thermal Shutdown with Hysteresis New Features: Cycle-by-Cycle Current Limiting Pb-Free Packages are Available

V3063 ALYW G 1

NCP3063x AWL YYWWG 1 8 1 PDIP-8 P, P1 SUFFIX CASE 626 1 8 1 DFN-8 SUFFIX CASE 488 NCP 3063x ALYW G NCV 3063 ALYW G NCV3063 AWL YYWWG

Applications

Step-Down, Step-Up and Inverting supply applications High Power LED Lighting Battery Chargers
8 NCP3063 SET dominant R Q 7 COMPARATOR + Rs 0.15 W 6 R 0.2 V OSCILLATOR CT + COMPARATOR 1.25 V REFERENCE REGULATOR CT 2.2 nF 4 3 D L 47 mH S 1 TSD

S Q

SET dominant

2

Vin

12 V + Cin 220 mF 5

Vout 3.3 V / 800 mA +

NCP3063x = Specific Device Code x=B A = Assembly Location L, WL = Wafer Lot Y, YY = Year W, WW = Work Week G = Pb-Free Package (Note: Microdot may be in either location)

R1 2.4 kW

R2

3.9 kW

470 mF Cout

ORDERING INFORMATION
See detailed ordering and shipping information in the package dimensions section on page 16 of this data sheet.

Figure 1. Typical Buck Application Circuit

Semiconductor Components Industries, LLC, 2008

1

January, 2008 - Rev. 5

Publication Order Number: NCP3063/D


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Comments

Cheap High Current LED Driver
Submitted by wordpainter on Thu, 02/12/2009 - 02:51.

High-power LEDs have emerged as decent replacements for bulbs due to their high efficiency. However they require special drivers, capable of delivering high constant currents across a wide range of input voltage and ambient temperature. This article shows you how to use the NCP3063-D, manufactured by ON semi, to build a good LED driver.
SOURCE:http://dev.emcelettronica.com/cheap-high-current-led-driver

Scribd doc:DC-DC converter
Submitted by wordpainter on Thu, 02/12/2009 - 03:04.

NCP3063-D - The Hysteric DC-DC Converter