Ultra Low Quiescent Current 1.25MHz, 4A Synchronous Step Down Regulator
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- Parameters
- Features
- Description
| Part Number | SY20214QDC |
|---|
| Vin_min (V) | 2.5 |
|---|
| Vin_max (V) | 5.5 |
|---|
| Io_max (A) | 4 |
|---|
| Channels | |
|---|
| Vo_min (V) | 0.6 |
|---|
| Fsw (MHz) | 1.25 |
|---|
| Vref (V) | |
|---|
| Vref Accuracy | ±1.5% |
|---|
| Iq (uA) | 18 |
|---|
| Rdson1 | 75 |
|---|
| Rdson2 | 55 |
|---|
| Soft Start | External |
|---|
| Package | QFN3x3-16 |
|---|
| Topology | |
|---|
| Protection Mode | Hic-cup SCP |
|---|
| Features / Special Function | Power Good Indicator,Auto-Discharge,100% Dropout Operation |
|---|
| Temp Range | |
|---|
- Input Voltage Range: 2.5V to 5.5V
- 1.25MHz Switching Frequency
- Max Output Current: 4.0A
- Peak Current Mode Control for the Fast Transient Speed
- 100% Drop Out Function
- Typical 18µA Quiescent Current
- Low RDS(ON) for Internal Switches (PFET/NFET):75mΩ/55mΩ
- Hic-cup Mode Protection for Hard Short Condition
- RoHS Compliant and Halogen Free
- Compact Package: QFN3x3-16
SY20214 is a high efficiency ultra low quiescent current, 1.25MHz synchronous step-down DC/DC regulator capable of delivering up to 4A output current.
SY20214 operates over a wide input voltage range from 2.5V to 5.5V 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
The EVB_SY20214QDC is to facilitate the evaluation of SY20214QDC, 5.5V, 4A, 1.25MHz synchronous Buck regulator.
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