High Efficiency, 1.2MHz, 55V Input, 0.8A Asynchronous Step Down Regulator
- Parameters
- Features
- Description
| Part number | SY21031ABC |
|---|
| Channel(#) | 1 |
|---|
| Vin (min) (V) | 4.5 |
|---|
| Vin (max) (V) | 55 |
|---|
| Switching frequency (min)(kHz) | 1200 |
|---|
| Switching frequency (max)(kHz) | 1200 |
|---|
| Vout (min) (V) | 0.6 |
|---|
| Vout (max) (V) | 24 |
|---|
| Iout (max) (A) | 0.8 |
|---|
| Vout2 (min)(V) | |
|---|
| Vout2 (max )(V) | |
|---|
| Iout2 (max)(A) | |
|---|
| Vref accuracy (±%) | 1 |
|---|
| Vout accuracy(±%) | |
|---|
| Control mode | COT OFF+Ipeak |
|---|
| Duty cycle (max)(%) | 80 |
|---|
| Operation mode | Auto PFM |
|---|
| Iq (typ) (uA) | 150 |
|---|
| Features | Asynchronous |
|---|
| Package | SOT23-6 |
|---|
| Operating temperature range(°C) | -40 to 125 |
|---|
| Functional safety category | |
|---|
- Low RDS(ON) for Internal N-channel Power FET: 700mΩ
- 4.5-55V Input Voltage Range
- 0.8A Output Current Capability
- 1.2MHz Pseudo Constant Switching Frequency
- Internal Soft-start Limits the Inrush Current
- Hic-cup Mode Output Short Circuit Protection
- EN ON/OFF Control with Accurate Threshold
- Cycle by Cycle Peak Current Limit
- 0.6V±1 % Reference Voltage
- SOT23-6 Package
Evaluation Board
Photo of evaluation board
Photo of evaluation board
Photo of evaluation board
The EVB_SY21031ABC is intended for evaluating fast response, 0.8A, 55V input, 1.2MHz asynchronous Buck regulator.
