SY8511B Datasheet 1.2a Asynchronous Step Down Regulator

Manufacturer: Silergy

Overview: Application Note: SY8511B High Efficiency, 200kHz, 100V Input, 1.

Datasheet Details

Part number	SY8511B
Manufacturer	Silergy
File Size	822.87 KB
Description	1.2A Asynchronous Step Down Regulator
Datasheet	SY8511B-Silergy.pdf

General Description

The SY8511B is a high efficiency, current mode adaptive constant OFF time controlled asynchronous step-down DC/DC converter capable of delivering 1.2A output current.

The SY8511B operates over a wide input voltage range from 4.5V to 100V and integrates main switch with very low RDS(ON) to minimize the conduction loss.

Ordering Information SY8511 □(□□)□ Tempera ture Code Pa cka ge Code Optional Spec Code Ordering Number SY8511BADC Package Type Note TSOT23-6 Typical Application

Key Features

Low RDS(ON) for Internal N-channel Power FET:1Ω.
4.5-100V Input Voltage Range.
1.2A Output Current Capability.
200kHz Pseudo Constant Switching Frequency.
Internal Soft-start Limits the Inrush Current.
Hic-cup Mode Output Short Circuit Protection.
EN ON/OFF Control with Accurate Threshold.
Cycle-by-cycle Peak Current Limit.
0.6V±1 % Reference Voltage.
RoHS Compliant and Halogen Free.
TSOT23-6 Pack.

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