High Efficiency, 60V Input, 3A Asynchronous Step Down Regulator
- Parameters
- Features
- Description
| Part number | SY21173FCC |
|---|
| Channel!(#) | 1 |
|---|
| Vin (min) !(V) | 4.5 |
|---|
| Vin (max) !(V) | 60 |
|---|
| Switching frequency (min)!(kHz) | 100 |
|---|
| Switching frequency (max)!(kHz) | 500 |
|---|
| Vout (min) !(V) | 0.8 |
|---|
| Vout (max) !(V) | 24 |
|---|
| Iout (max) !(A) | 3 |
|---|
| Vout2 (min)!(V) | |
|---|
| Vout2 (max )!(V) | |
|---|
| Iout2 (max)!(A) | |
|---|
| Vref accuracy! (±%) | 1 |
|---|
| Vout accuracy!(±%) | |
|---|
| Control mode | COT+Ivalley |
|---|
| Duty cycle (max)!(%) | 75 |
|---|
| Operation mode | Auto PFM |
|---|
| Iq (typ) !(uA) | 100 |
|---|
| Features | Power good,Asynchronous |
|---|
| Package | SO8E |
|---|
| Operating temperature range!(°C) | -40 to 125 |
|---|
| Functional safety category | |
|---|
- Low RDS(ON) for Internal N-channel Power FET(TOP):150mΩ
- 4.5-60V Input Voltage Range
- 3A Output Current Capability
- Adjustable Switching Frequency Range: 100kHz to 500kHz
- 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
- 0.8V± 1% Reference Voltage Accuracy
- Compact Package: SO8E
Evaluation Board
Photo of evaluation board
Photo of evaluation board
Photo of evaluation board
The EVB_SY21173FCC is intended for evaluating 3A current and 60V maximum input voltage asynchronous step down regulator. The switching frequency is adjustable from 100kHz to 500kHz using an external resistor.
