High Efficiency 2.5MHz, 1A Synchronous Step Down Regulator
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- Parameters
- Features
- Description
| Part number | SY20111DQC |
|---|
| Channel!(#) | 1 |
|---|
| Vin (min) !(V) | 2.5 |
|---|
| Vin (max) !(V) | 5.5 |
|---|
| Switching frequency (min)!(kHz) | 2500 |
|---|
| Switching frequency (max)!(kHz) | 2500 |
|---|
| Vout (min) !(V) | 0.6 |
|---|
| Vout (max) !(V) | 5 |
|---|
| Iout (max) !(A) | 1 |
|---|
| Vout2 (min)!(V) | |
|---|
| Vout2 (max )!(V) | |
|---|
| Iout2 (max)!(A) | |
|---|
| Vref accuracy! (±%) | 2 |
|---|
| Vout accuracy!(±%) | |
|---|
| Control mode | Clock+Ipeak |
|---|
| Duty cycle (max)!(%) | 100 |
|---|
| Operation mode | Auto PFM |
|---|
| Iq (typ) !(uA) | 40 |
|---|
| Features | Output discharge |
|---|
| Package | DFN1.5×1.5-6 |
|---|
| Operating temperature range!(°C) | -40 to 125 |
|---|
| Functional safety category | |
|---|
- Low RDS(ON) for Internal Switches (top/bottom): 230mΩ/150mΩ
- 2.5~5.5V Input Voltage Range
- High Switching Frequency 2.5MHz 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
SY20111 is a high efficiency 2.5MHz synchronous step down DC/DC regulator IC capable of delivering up to 1A output currents. 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_ SY20111DQC is intended for evaluating 2.5MHz 1A, 2.5~5.5V input, 1.8V output synchronous buck regulator. It features Enable control, output voltage selection inputs.
