SY21242 2.5A Current Limit Step-Up Regulator

Silergy

Description

SY21242 High Efficiency 6V, 1MHz, 2.5A Current Limit Step-Up Regulator General .
The SY21242 high efficiency step-up regulator operates using current mode control, over an input voltage range from 2V to 6V.

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SY21242 Datasheet Preview — Preview of SY21242 PDF

Datasheet Specifications

Part number: SY21242
Manufacturer: Silergy
File Size: 964.04 KB
Datasheet: SY21242-Silergy.pdf
Description: 2.5A Current Limit Step-Up Regulator

Features

* Wide 2V to 6V Input Range
* Up to 6V Output Voltage
* Low RDS(ON) for Internal N-Channel MOSFET: 120mΩ
* 2.5A Minimum Switch Current Limit
* 1MHz Switching Frequency
* Minimum On-Time: 100ns Typical
* Minimum Off-Time: 100ns Typical
* Internal Soft-Start Limits Inru

Applications

* Solar Battery Charger
* Backup Battery Typical Application VIN CIN ON/OFF L LX GND EN VDD R1 FB R2 VOUT COUT Figure 1. Typical Application Circuit Efficiency (%) Efficiency vs Load Current 91 90 89 88 87 86 VIN=3.5V, VOUT=5V 85 0 0.2 0.4 0.6 0.8 1 1.2 Load Current (

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2.5A Current Limit Step-Up Regulator Silergy

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