High Efficiency, 1A, 100V Input Synchronous Step Down Regulator
- Parameters
- Features
- Description
| Part number | SY21053FCC |
|---|
| Channel(#) | 1 |
|---|
| Vin (min) (V) | 7 |
|---|
| Vin (max) (V) | 100 |
|---|
| Switching frequency (min)(kHz) | 200 |
|---|
| Switching frequency (max)(kHz) | 600 |
|---|
| Vout (min) (V) | 1.225 |
|---|
| Vout (max) (V) | 24 |
|---|
| Iout (max) (A) | 1 |
|---|
| Vout2 (min)(V) | |
|---|
| Vout2 (max )(V) | |
|---|
| Iout2 (max)(A) | |
|---|
| Vref accuracy (±%) | 2(over temperature) |
|---|
| Vout accuracy(±%) | |
|---|
| Control mode | COT+Ripple |
|---|
| Duty cycle (max)(%) | 75 |
|---|
| Operation mode | FCCM |
|---|
| Iq (typ) (uA) | |
|---|
| Features | |
|---|
| Package | SO8E |
|---|
| Operating temperature range(°C) | -40 to 125 |
|---|
| Functional safety category | |
|---|
- Low RDS(ON) for Internal Switches (Top/Bottom): 500mΩ/240mΩ
- 7-100V Input Voltage Range
- 1A Output Current Capability
- Constant On-time Control
- Instant PWM Architecture to Achieve Fast Transient Responses
- Programmable Switching Frequency Range: 200kHz ~600kHz
- 2ms Internal Soft-start Limits the Inrush Current
- Precise ±2% 1.225V Reference over -40°C to +125°C Temperature Range
- Cycle-by-cycle Peak Current Limit
- Over Temperature Protection with Auto Recovery
- RoHS Compliant and Halogen Free
- Compact Package SO8E
Evaluation Board
Photo of evaluation board
Photo of evaluation board
Photo of evaluation board
The EVB_SY21053FCC is intended for evaluating fast response, 1A, 100V input synchronous Buck regulator.
