SY20418AAHC (SY7071AAHC)

0.7V Minimum Input and Fixed Output 100mA Maximum Output Current Synchronous Boost

SY20418AAHC 0.7V Minimum Input and Fixed Output 100mA Maximum Output Current Synchronous Boost Datasheet

Parameters
Features
Description

Part number	SY20418AAHC
Vin (min) (V)	0.7
Vin (max) (V)	5
Current limit (A)	0.35
Switching frequency (min)(kHz)
Switching frequency (max)(kHz)
Vout (min) (V)	5
Vout (max) (V)	5
Vref accuracy (±%)
Vout accuracy(±%)	3
Duty cycle (max)(%)
Iq (typ) (uA)	0.5
Features
Package	SOT-363
Operating temperature range(°C)	-40 to 125
Functional safety category

0.7V Minimum Input Voltage
7μA Typical Quiescent Current
Input Under-voltage Lockout
Pass-through Function During Shutdown
Low R_DS(ON) (Main Switch/Synchronous Switch) at Output: 0.4/0.5Ω
Fixed 5V Output Voltage
Typical 350mA Peak Current Limit
Compact SOT-363(SC70) Package

Evaluation Board

Photo of evaluation board
Photo of evaluation board
Photo of evaluation board

EVB_SY20418AAHC

EVB File

The EVB_SY20418AAHC is intended for evaluating a high efficiency synchronous boost regulator SY20418A. It can receive an input voltage as low as 0.7V.

Technical Documentation

Title	Date
Silergy_Catalog_Q2_2026	2026-06-12
SOT-363	2021-09-27

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