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BL8092

SHANGHAI BELLING
Part Number BL8092
Manufacturer SHANGHAI BELLING
Description 18V (30V spike)2.5A Synchronous PFM/PWM Buck Converter
Published Jul 17, 2015
Detailed Description BL8092 18V (30V spike)2.5A Synchronous PFM/PWM Buck Converter DESCRIPTION The BL8092 is a high efficiency current-mode...
Datasheet PDF File BL8092 PDF File

BL8092
BL8092


Overview
BL8092 18V (30V spike)2.
5A Synchronous PFM/PWM Buck Converter DESCRIPTION The BL8092 is a high efficiency current-mode synchronous, 18V/2.
5A buck converter.
Its input voltage ranges from 3.
5V to 18V and it provides an adjustable regulated output voltage from 0.
923V to 15V while delivering up to 2A of output current.
The internal synchronous switches increase efficiency and eliminate the need for an external Schottky diode.
The switching frequency is set to 340KHz.
And the BL8092 will automatically switch between PFM and PWM mode based on the load current, thus to enhance the converter efficiency at light load.
BL8092 consists of many protection block such as UVLO, input voltage over voltage protection to stand much higher input voltage spike, thermal protection and output short circuit protection.
The BL8092 is available in the SOP8 and ESOP8 (with exposed pad for heat dissipation) package.
FEATURES  Adjustable Output Voltage, Vfb=0.
923V  Maximum output current is 2.
5A  Range of operation input voltage: Max 18V  UVLO: 3.
4V (typ.
)  Withstand input voltage spike >30V  Standby current: 1mA (typ.
)  Operating current at zero load: 1.
2mA (typ.
)  Line regulation: 0.
1%/V (typ.
)  Load regulation: 10mV (typ.
)  High efficiency, up to 95%  Environment Temperature: -20C~85C APPLICATIONS  Set-top-box  Consumer Electronic Device for automobile  LCD Monitor and LCD TV  Portable DVD  ADSL Modem, WLAN router  Other 12V or double cell Li-ion battery powered device TYPICAL APPLICATION 10uH VIN 10uF BST 10nF SS VIN EN BLLCC82203392221 SW COMP GND FB 0.
1uF 100K 3.
3nF 5.
6K *Cc optional 26.
1K 10K VOUT 3.
3V/2A 22uF x2 * When Vin is as low as 5V, Cc is recommended to be 100pf, but not needed when Vin larger than 5V.
Iq(mA) PIN OUT BST SS VIN EN BLLLCC822302319222 SW COMP GND FB SOP8 and ESOP8 PFM at Light Load Zero Load Operating Current vs.
Vin 7 6 5 4 3 2 1 0 0 5 10 15 20 Vin(V) www.
belling.
com.
cn 1 BL8092 MARK and ORDERING INFORMATION Mark Explanation...


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