SY8009B Synchronous Step-Down Regulator

Silergy

Description

SY8009A/SY8009B High Efficiency 1.5MHz/1MHz, 1.5A/2A Synchronous Step Down Regulator General .
The SY8009A and SY8009B are high-efficiency, high frequency synchronous step-down DC-DC regulator ICs capable of delivering up to 1.

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Datasheet Specifications

Part number: SY8009B
Manufacturer: Silergy
File Size: 334.01 KB
Datasheet: SY8009B-Silergy.pdf
Description: Synchronous Step-Down Regulator

Features

* Low RDS(ON) for internal switches (top/bottom)
* SY8009A: 180mΩ/120mΩ, 1.5A, SOT23-5
* SY8009B:100mΩ/80mΩ,2.0A SOT23-6, SSOT23-6
* 3-5.5V input voltage range
* High switching frequency minimizes the external components
* SY8009A: 1.5MHz
* SY8

Applications

* LCD TV Set Top Box Net PC Mini-Notebook PC Access Point Router Typical Applications 96 ON/ OFF VIN IN CIN GND FB R2 LX R1 C1(opt. ) COUT L VOUT 94 VOUT=1.8V EN 92 Efficiency (%) 90 88 86 84 82 80 0 0.4 0.8 VIN=3.3V VIN=4.2V VIN=5.5V 1.2 1.6 2 Figu

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SY8009B Synchronous Step-Down Regulator Silergy

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