SY20493SUC (SY7092SUC)

0.85V Minimum Input and 5. 5V Maximum Output High Efficiency 2A Valley Current Synchronous Boost

SY20493SUC 0.85V Minimum Input and 5. 5V Maximum Output High Efficiency 2A Valley Current Synchronous Boost Datasheet

Parameters
Features
Description

Part number	SY20493SUC
Vin (min) (V)	0.85
Vin (max) (V)	5.5
Current limit (A)	2
Switching frequency (min)(kHz)	1000
Switching frequency (max)(kHz)	1000
Vout (min) (V)	1.8
Vout (max) (V)	5.5
Vref accuracy (±%)	1.5
Vout accuracy(±%)
Duty cycle (max)(%)	86
Iq (typ) (uA)	0.7
Features	Bypass mode
Package	DFN2×1.5-6
Operating temperature range(°C)	-40 to 125
Functional safety category

0.85V Minimum Input Voltage
Adjustable Output Voltage From 1.8V to 5.5V
Min 2A Valley Current Limit
5µA Typical Quiescent Current
Load Disconnect During Shutdown
Low R_DS(ON) (Main Switch/Synchronous Switch) at 3.3V Output: 70/125mΩ
Output OVP
RoHS Compliant and Halogen Free
Auto Bypass Mode When V_IN≥V_OUT
Compact Package DFN2x1.5-6

Evaluation Board

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

EVB_ SY20493SUC_1

EVB File

The EVB_ SY20493SUC_1 is intended for evaluating a high efficiency, synchronous, step-up Boost converter SY20493. It can disconnect the output from the input during the shutdown mode. When input voltage exceeds the regulated output voltage, SY20493 enters bypass mode automatically.

Technical Documentation

Title	Date
Silergy_Catalog_Q2_2026	2026-06-12
DFN2x1.5-6	2022-05-20

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