SY26004SYD (SQ28704SYD)

2.4MHz, 4A Synchronous Step Down Regulator

SY26004SYD 2.4MHz, 4A Synchronous Step Down Regulator Datasheet

Parameters
Features
Description

Part Number	SY26004SYD
Vin_min (V)	2.5
Vin_max (V)	6
Io_max (A)	4
Channels	1
Vo_min (V)	0.6
Fsw (MHz)	2.4
Vref (V)	0.6
Vref Accuracy	±1.5%
Iq (uA)	23
Rdson1	25
Rdson2	17
Soft Start	0.8ms Internal
Package	DFN2x2-7
Topology	Buck
Protection Mode	hic-cup
Features / Special Function	Power Good Indicator, Auto-Discharge
Temp Range	-40°C to 125°C

2.5~6.0V Input Voltage Range
23μA Low Quiescent Current
Low R_DS(ON) for Internal Switches (Top/Bottom) 25mΩ /17mΩ
Instant PWM Control Achieve Ultra Fast Dynamic Response
2.4MHz Switching Frequency Minimizes the External Components
Internal Soft-start Limits the Inrush Current
100% Drop Out Operation
Output Auto Discharge Function
Hiccup Mode for Short Circuit Protection
RoHS Compliant and Halogen Free
Compact Package: DFN2×2-7

The SY26004 high efficiency 2.4MHz synchronous Buck converter operates over a wide input voltage range from 2.5V to 6V and is capable of delivering up to 4A output current. It integrates a top FET and a bottom FET with very low R_DS(ON) to minimize conduction loss.

The SY26004 adopts a constant on-time and ripple-based control strategy to achieve fast transient responses. The input and output capacitors, the inductor, and the resistor-divider components must be selected for the targeted application specifications.

The SY26004 is available in a space-saving, low-profile DFN2×2-7 package.