High Efficiency Fast Response 8A Continuous, 16A Peak, 28V Input Synchronous Step Down Regulator
![]()
- Parameters
- Features
- Description
| Part number | SY21228AQQC |
|---|
| Channel(#) | 1 |
|---|
| Vin (min) (V) | 4 |
|---|
| Vin (max) (V) | 28 |
|---|
| Switching frequency (min)(kHz) | 800 |
|---|
| Switching frequency (max)(kHz) | 800 |
|---|
| Vout (min) (V) | 0.6 |
|---|
| Vout (max) (V) | 5 |
|---|
| Iout (max) (A) | 8 |
|---|
| Vout2 (min)(V) | |
|---|
| Vout2 (max )(V) | |
|---|
| Iout2 (max)(A) | |
|---|
| Vref accuracy (±%) | 1 |
|---|
| Vout accuracy(±%) | |
|---|
| Control mode | COT+Ripple |
|---|
| Duty cycle (max)(%) | |
|---|
| Operation mode | FCCM/PFM Selectable |
|---|
| Iq (typ) (uA) | 100 |
|---|
| Features | |
|---|
| Package | |
|---|
| Operating temperature range(°C) | |
|---|
| Functional safety category | |
|---|
· 4.0-28V Wide Input Voltage Range
· Low RDS(ON) for Internal Switches: 20/10mΩ
· Instant PWM Architecture to Achieve Fast Transient Response
· Internal 600μs Soft-start Limits the Inrush Current
· Pseudo-constant Frequency: 800kHz
· 8A Continuous, 16A Peak Output Current Capability
· ±1% 0.6V Reference Voltage
· Hiccup Mode SCP, OVP
· Thermal Shutdown with Auto Recovery
· RoHS Compliant and Halogen Free
The SY8368A develops a high efficiency synchronous step-down DC/DC regulator capable of delivering 8A continuous, 16A peak current. The SY8368A operates over a wide input voltage range from 4.0V to 28V and integrates main switch and synchronous switch with very low RDS(ON) to minimize the conduction loss.
Evaluation Board
Photo of evaluation board
Photo of evaluation board
Photo of evaluation board
Photo of evaluation board
Photo of evaluation board
The EVB_SY21228AQQC is intended for evaluating fast response, 8A continuous, 16A peak current, 28V input synchronous Buck regulator. It features Enable control, output voltage selection inputs.
