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SY8120B - Synchronous Step Down Regulator

Datasheet Summary

Description

SY8120B develops high efficiency synchronous stepdown DC-DC converter capable of delivering 2A load current .

SY8120B operates over a wide input voltage range from 4.5V 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):145/135 m 4.5-18V input voltage range 2A load current capability Instant PWM architecture to achieve fast transient responses Internal softstart limits the inrush current 2% 0.6V reference RoHS Compliant and Halogen Free Compact package: SOT23-6.

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Datasheet Details

Part number SY8120B
Manufacturer Silergy
File Size 924.22 KB
Description Synchronous Step Down Regulator
Datasheet download datasheet SY8120B Datasheet
Additional preview pages of the SY8120B datasheet.

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Full PDF Text Transcription

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 www.szyucan.com  Application Note: AN_SY8120B High Efficiency Fast Response, 2A, 18V Input Synchronous Step Down Regulator General Description SY8120B develops high efficiency synchronous stepdown DC-DC converter capable of delivering 2A load current . SY8120B operates over a wide input voltage range from 4.5V to 18V and integrates main switch and synchronous switch with very low RDS(ON) to minimize the conduction loss. SY8120B 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 under heavy load conditions to minimize the size of inductor and capacitor.
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