SY21314 4A Current Limit Step-Up Regulator

Silergy

Description

SY21314 High Efficiency 33V, 1MHz, 4A Current Limit Step-Up Regulator General .
The SY21314 high efficiency step-up regulator operates using current mode control over a wide input voltage range from 3V to 33V.

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Datasheet Specifications

Part number: SY21314
Manufacturer: Silergy
File Size: 1.12 MB
Datasheet: SY21314-Silergy.pdf
Description: 4A Current Limit Step-Up Regulator

Features

* 3V to 33V Input Voltage Range
* 33V Maximum Output Voltage
* 4A Main MOSFET Current Limit
* 15 µA Shutdown Current (Max. )
* 100 µA Quiescent Current (Typ. )
* Low RDS(ON) for Internal N-Channel MOSFET: 120mΩ
* 1MHz Switching Frequency
* Internal Soft-Start
* ±2%

Applications

* Portable Devices
* Battery Powered Systems
* Networking Cards Powered from PCI or PCI-Express Slots Typical Application VIN L1 4.7µH CIN 10µF IN LX ON/ OFF NC EN FB GND R3 1M R1 200k R2 10.5k VOUT 12V COUT 22µF× 2 Figure 1. Typical Application Circuit Efficiency (%) 1

SY21314 Distributors

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SY21314 Current Limit Step-Up Regulator Silergy

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