High Efficiency Fast Response, 11A, 28V Input Synchronous Step Down Regulator
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- Parameters
- Features
- Description
| Part Number | SY21249TMC |
|---|
| Vin_min (V) | 4 |
|---|
| Vin_max (V) | 24 |
|---|
| Vo_min (V) | 0.6 |
|---|
| Io_max (A) | 11 |
|---|
| Vref Accuracy | ±1% |
|---|
| Fsw (MHz) | 0.5 |
|---|
| Iq (uA) | 140 |
|---|
| Package | QFN3×4-13 |
|---|
| Protection Mode | OVP,Latch-off SCP |
|---|
| Features / Special Function | Power Good Indicator,Auto-Discharge |
|---|
- Low RDS(ON) for Internal Switches (Top/Bottom): 17/7.5 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: 500kHz
- Adjustable Output Voltage Application
- 11A Output 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
- Programmable Valley Current Limit Threshold by ILMT Pin
- Latch-off Mode Output Under Voltage Protection
- Latch-off Mode Output Over Voltage Protection
- Latch-off Mode Over Temperature Protection
- Input UVLO
- RoHS Compliant and Halogen Free
- Compact Package: QFN3×4-13
Evaluation Board
Photo of evaluation board
Photo of evaluation board
Photo of evaluation board
Photo of evaluation board
Photo of evaluation board
The EVB_SY21249TMC is intended for evaluating 11A continuous, 24V input, 500kHz synchronous Buck regulator.
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