SY20801AAAC (SY6281AAAC)

5.5V, 2A Low Loss Power Distribution Switch

SY20801AAAC 5.5V, 2A Low Loss Power Distribution Switch Datasheet

Parameters
Features
Description

Part number	SY20801AAAC
Channel(#)	1
Vin (min) (V)	2.4
Vin (max) (V)	5.5
Iout (max) (A)	2
Iq (typ) (uA)	38
Protection mode	Auto-recovery OCP,Auto-recovery OTP
Current limit (A)	Adjustable
Ron (typ) (mΩ)	63
Enable logic	Low
Output discharge	NO
Certification recognition
Features	Reverse blocking,
Package	SOT23-5
Operating temperature range(°C)	-40 to 125
Functional safety category

Input voltage: 2.4V to 5.5V
2A load current capability
Programmable current limit
Enable polarity: active low
Over temperature protection
Reverse blocking (no body diode)
OUT can be forced higher than IN at shutdown
Output discharge function
SY20801A: No output discharge function
Compact SOT23-5 package minimizes the board space

SY20801/ SY20801A is ultra-low R_DS(ON) switch with programmable current limit to protect the power source from over current and short circuit conditions. It incorporates over temperature protection and reverse blocking functions. SY20801 automatically discharges the output capacitors during shutdown.

Evaluation Board

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

EVB_SY20801AAAC

EVB File

The EVB_SY20801AAAC is used to evaluate Low Loss Power Distribution Switch.

Technical Documentation

Title	Date
Silergy_Catalog_Q2_2026	2026-06-12