SY81052 Datasheet PDF - Silergy Synchronous Step Down Regulator Specs

SY81052 - Synchronous Step Down Regulator

Datasheet Summary

Description

The SY81052 is a high efficiency, synchronous stepdown DC/DC converter capable of delivering 2A load current.

The SY81052 operates over a wide input voltage range from 4.2V to 18V and integrates main switch and synchronous switch with very low RDS(ON) to minimize the conduction loss.

Features

Low RDS(ON) for Internal Switches (Top/Bottom): 130mΩ/105mΩ.
4.2-18V Input Voltage Range.
2A Output Current Capability.
500kHz Switching Frequency Minimize the External Components.
Stable with 10µF COUT and 2.2µH Inductor.
Instant PWM Architecture to Achieve Fast Transient Responses.
Internal Soft-start Limits the Inrush Current.
Cycle-by-cycle Peak/Valley Current Limitation.
Hic-cup Mode Output Short Circuit Prote.

Datasheet Details

Part number	SY81052
Manufacturer	Silergy
File Size	263.26 KB
Description	Synchronous Step Down Regulator
Datasheet	SY81052 Datasheet
Additional preview pages of the SY81052 datasheet.

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Full PDF Text Transcription

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SY81052 High Efficiency, Fast Response, 2.0A, 18V Input Synchronous Step Down Regulator General Description The SY81052 is a high efficiency, synchronous stepdown DC/DC converter capable of delivering 2A load current. The SY81052 operates over a wide input voltage range from 4.2V to 18V and integrates main switch and synchronous switch with very low RDS(ON) to minimize the conduction loss. The SY81052 adopts the instant PWM architecture to achieve fast transient responses for high step down applications and high efficiency at light loads. In addition, it operates at pseudo-constant frequency of 500kHz to minimize the size of inductor and capacitor.

Published: Jun 17, 2024 |