9A Continuous/14A Peak, 28V Input, Synchronous Step Down Regulator with ±1A VTT LDO and ±10mA Buffered Reference
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- Parameters
- Features
- Description
| Part Number | SY21240RAC |
|---|
| Vin_min (V) | 4 |
|---|
| Vin_max (V) | 24 |
|---|
| Vo_min (V) | 0.6 |
|---|
| Io_max (A) | 9 |
|---|
| Vref Accuracy | ±1% |
|---|
| Fsw (MHz) | 0.6 |
|---|
| Iq (uA) | |
|---|
| Package | QFN3x3-20 |
|---|
| Protection Mode | OVP,Latch-off SCP |
|---|
| Features / Special Function | Power Good Indicator,±1A VTT LDO and ±10mA Buffered Reference,Auto-Discharge |
|---|
- Low RDS(ON) for Internal Switches of the Regulator (Top/Bottom): 27/9mΩ
- 4~24V Input Voltage Range
- Instant PWM Architecture to Achieve Fast Transient Responses
- Internal 450µs Soft-start Limits the Inrush Current
- 600kHz Pseudo-Constant Switching Frequency
- PFM/USM Selectable Light Load Operation Mode
- Power Good Indicator
- 9A Continuous/14A Peak Output Current Capability of the Regulator
- ±1% 0.6V Reference
- ±1A Source/Sink Current Capability of the VTT LDO
- Buffered Low Noise ±10mA VTTREF Output
- Support VTT LDO High-Z in S3
- Output Tracking Discharge Function for the Regulator and VTT LDO
- Cycle-by-cycle Valley and Peak Current Limit Protection
- Latch-off Mode Output Under Voltage Protection
- Latch-off Mode Output Over Voltage Protection
- Latch-off Mode Over Temperature Protection
- Input UVLO and Bias UVLO
- RoHS Compliant and Halogen Free
- Compact Package: QFN3×3-20
Evaluation Board
Photo of evaluation board
Photo of evaluation board
Photo of evaluation board
Photo of evaluation board
Photo of evaluation board
EVB_SY21240RAC_1 is intended for evaluating 600kHz, 9A continuous output current, 24V input synchronous Buck regulator with ±1A VTT LDO and ±10mA buffered reference.
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