NCP5030 - ON Semiconductor

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

NCP5030
Manufacturer

ON Semiconductor
ChipWorker Part#

CW399276966
RoHS

Lead free / RoHS Compliant
Description

LED Driver, Buck-Boost Converter, Fixed Frequency, PWM
Documentation

Datasheet

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NCP5030 Specifications

Attribute	Attribute Value

Part Number	NCP5030
Manufacturer	ON Semiconductor
ChipWorker Part#	CW399276966
Documentation	Datasheet
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RoHS	RoHS Compliant

Product Description

The NCP5030 is a fixed frequency PWM buck-boost converter optimized for constant current applications such as driving high-powered white LED. The buck-boost is implemented in an H-bridge topology and has an adaptive architecture where it operates in one of three modes: boost, buck-boost, or buck depending on the input and output voltage condition. This device has been designed with high-efficiency for use in portable applications and is capable of driving in DC up to 900 mA into a high power LED for flashlight / torch applications. To protect the device cycle-by-cycle current limiting and a thermal shutdown circuit have been incorporated as well as output over-voltage protection. The 700 kHz switching frequency allows the use of a low value 4.7 µH and ceramic capacitors.
Features
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Efficiency: 87% at 500 mA and 3.3 V VIN
Internal Synchronous Rectifier, No Schottky Diodes
Adjustable Switching Limit Current to Optimize inductor size
0.3 µA Shut-down Control with True-Cut off
Input Voltage Range from 2.7 V to 5.5 V
200 mV Feedback Voltage
Output Over-voltage and Thermal Shut Down Protection

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