BL8521 datasheet(1/8 Pages) BELLING

部品番号	BL8521

部品情報	3A Synchronous Buck Converter

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メーカー	BELLING [SHANGHAI BELLING CO., LTD.]

ホームページ	http://www.belling.com.cn

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REV2.0

Page1

BL8521

5.5V, 1.4MHz,

3A Synchronous Buck Converter

DESCRIPTION

The BL8521 is a synchronous, 1.4MHz, fix

frequency PWM Buck converter. It is ideal for

powering portable equipment that powered by

a single cell Lithium-ion batter, or USB port.

The BL8521 can provide up to 3A of load

current with output voltage as low as 0.8V. It

can operate at 100% duty cycle for low

dropout application.

With its peak current mode control and

outside compensation, the BL8521 is stable

with ceramic capacitors and small inductors.

BL8521 comprises a cycle-by-cycle current

limit and thermal shutdown to protect itself

from fault application.

BL8521 is available in DFN 3x3 -10 package.

FEATURES

 Adjustable Output Voltage, 0.8 - Vin

 High efficiency, up to 96%

 Output voltage accuracy 2%

 0.1ohm Rdson of internal MOSFET

 3A maximum output current

 Up to 1.5MHz fix switching frequency

 5.5V maximum operation voltage

 Short circuit protection

 Thermal shutdown protection

 10mV Load regulation at 3A load

 Compatible with ceramic output capacitor

 Excellent load transient performance

 In-rush current suppression

 Reverse current suppression for light load

 Available in DFN3x3-10 package

APPLICATIONS

 3G network modem

 Smart phone, PDA

 Digital camera

 LCDTV

 Portable devices

TYPICAL APPLICATION

同様の部品番号 - BL8521

メーカー	部品番号	データシート	部品情報
SHANGHAI BELLING CO., L...	BL8523	525Kb / 5P	PWM/PFM Step-down DC-DC Controller
	BL8526	562Kb / 6P	2A 1.4M 5.5V Synchronous Buck Converter
	BL8528	633Kb / 8P	The BL8528 is a synchronous
	BL8529	771Kb / 5P	3A 1.5MHz 5.5V Synchronous Buck Converter

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同様の説明 - BL8521

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