SY21019 300mA Asynchronous Buck Converter

Silergy

Description

SY21019 High-Efficiency, 2MHz, 40V Input, 300mA Asynchronous Buck Converter General .
The SY21019 high-efficiency asynchronous Buck converter can deliver 300mA output current over a wide input voltage range from 5V to 40V.

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SY21019 Datasheet Preview — Preview of SY21019 PDF

Datasheet Specifications

Part number: SY21019
Manufacturer: Silergy
File Size: 1.06 MB
Datasheet: SY21019-Silergy.pdf
Description: 300mA Asynchronous Buck Converter

Features

* Low RDS(ON) for Internal N-Channel Power FET: 2Ω
* 5V to 40V Input Voltage Range
* Up to 300mA Output Current
* 2MHz Switching Frequency
* Constant Off-Time and Peak-Current Mode Control
* Internal Soft-Start Limits Inrush Current
* ±2% 0.6V Reference
* Output Short

Applications

* Smart Meter
* Set-Top Box
* Portable TV
* Access Point Router
* DSL Modem
* LCD TV Typical Application CBS VIN : 5~40V CIN ON/OFF BS IN LX EN FB GND L D VOUT CFF(opt. ) RH COUT RL Figure 1. Typical Application Circuit Efficiency (%) Efficiency vs. Output Cu

SY21019 Distributors

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