BL8521 datasheet(1/8 Pages) BELLING

номер детали	BL8521

подробное описание детали	3A Synchronous Buck Converter

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производитель	BELLING [SHANGHAI BELLING CO., LTD.]

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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

Аналогичный номер детали - BL8521

производитель	номер детали	датащи	подробное описание детали
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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Аналогичное описание - BL8521

производитель	номер детали	датащи	подробное описание детали
Anpec Electronics Corop...	APW7142	525Kb / 22P	3A, 12V, Synchronous-Rectified Buck Converter
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ACE Technology Co., LTD...	ACE723A	643Kb / 8P	3A 1.5MHz 5.5V Synchronous Buck Converter VER 1.3
Anpec Electronics Corop...	APW7142	524Kb / 22P	3A, 12V, Synchronous-Rectified Buck Converter
	APW7153	407Kb / 20P	3A 5V 2MHz Synchronous Buck Converter
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Seaward Electronics Inc...	SE1484	670Kb / 8P	3A 27V Synchronous Buck Converter
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Lite-On Technology Corp...	LSP5523	641Kb / 16P	3A 27V Synchronous Buck Converter
Diodes Incorporated	LSP5523	836Kb / 17P	3A 27V Synchronous Buck Converter Rev. 7 - 2 May 2022

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BL8521 датащи(PDF) 1 Page - SHANGHAI BELLING CO., LTD.

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Аналогичный номер детали - BL8521

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