SY21243B3RHC (SY8388B3RHC)
High Efficiency Fast Response, 8A, 28V Input, Fixed 3.338V Output Synchronous Step Down Regulator with 100mA 3.3V LDO
- Parameters
- Features
- Description
- Low RDS(ON) for Internal Switches (top/bottom): 20/10 mΩ
- Wide Input Voltage Range: 4~24V
- Integrated Bypass Switch: 1.5Ω
- Instant PWM Architecture to Achieve Fast Transient Responses
- Internal Soft-start Limits the Inrush Current
- Pseudo-constant Frequency: 600kHz
- Fixed 3.338V Output Voltage
- 8A Output Current Capability
- 100mA LDO Current Capability
- ±1% Internal Reference Voltage
- PFM/USM Selectable Light Load Operation Mode
- Power Good Indicator
- Output Discharge Function
- Cycle-by-cycle Valley and Peak Current Limit Protection
- Latch-off Mode Output Under Voltage Protection for Buck
- Latch-off Mode Output Over Voltage Protection for Buck
- Latch-off Mode Over Temperature Protection for Buck
- Auto-recovery Mode Output Under Voltage Protection for LDO
- Auto-recovery Mode Over Temperature Protection for LDO
- Input Under Voltage Lock-out(UVLO)
- RoHS Compliant and Halogen Free
- Compact package: QFN2.5×2.5-16
Evaluation Board
Photo of evaluation board
Photo of evaluation board
Photo of evaluation board
Photo of evaluation board
Photo of evaluation board
EVB_SY21243B3RHC_1 is intended for evaluating 600kHz, 8A continuous output current, 24V input synchronous Buck regulator with one 3.3V 100mA LDO.
