High Efficiency 3MHz, 1A Buck
- Parameters
- Features
- Description
| Part Number | SY20111FDQC |
|---|
| Vin_min (V) | 2.5 |
|---|
| Vin_max (V) | 5.5 |
|---|
| Io_max (A) | 1 |
|---|
| Channels | |
|---|
| Vo_min (V) | 1.0 |
|---|
| Fsw (MHz) | 3 |
|---|
| Vref (V) | |
|---|
| Vref Accuracy | |
|---|
| Iq (uA) | 40 |
|---|
| Rdson1 | 230 |
|---|
| Rdson2 | 150 |
|---|
| Soft Start | 1 |
|---|
| Package | DFN1.5x1.5-6 |
|---|
| Topology | |
|---|
| Protection Mode | Hic-cup SCP |
|---|
| Features / Special Function | fixed output voltage,Auto-Discharge,100% Dropout Operation |
|---|
| Temp Range | |
|---|
- Low RDS(ON) for internal switches (top/bottom) 230mΩ/150mΩ
- 2.5~5.5V input voltage range
- Fixed output voltage:1.0VOUT
- High switching frequency 3MHz minimizes the external components
- Internal soft-start limits the inrush current
- 100% dropout operation
- RoHS Compliant and Halogen Free
- Output auto discharge function
- Compact package: DFN1.5x1.5-6
SY20111F are high efficiency 3MHz synchronous step down DC/DC regulator ICs capable of delivering up to 1A output current. It can operate over a wide input voltage range from 2.5V to 5.5V and integrate 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
The EVB_ SY20111FDQC is intended for evaluating 3MHz 1A, 1.0V output synchronous Buck regulator. It features Enable control, output voltage selection inputs.
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