High Efficiency Fast Response, 3A, 40V Input Synchronous Step Down Regulator
- Parameters
- Features
- Description
| Part number | SY21153AAIC |
|---|
| Channel!(#) | 1 |
|---|
| Vin (min) !(V) | 4.5 |
|---|
| Vin (max) !(V) | 40 |
|---|
| Switching frequency (min)!(kHz) | 500 |
|---|
| Switching frequency (max)!(kHz) | 2500 |
|---|
| Vout (min) !(V) | 0.6 |
|---|
| Vout (max) !(V) | 24 |
|---|
| Iout (max) !(A) | 3 |
|---|
| Vout2 (min)!(V) | |
|---|
| Vout2 (max )!(V) | |
|---|
| Iout2 (max)!(A) | |
|---|
| Vref accuracy! (±%) | 1.5 |
|---|
| Vout accuracy!(±%) | |
|---|
| Control mode | Clock+Ipeak |
|---|
| Duty cycle (max)!(%) | 80 |
|---|
| Operation mode | Auto PFM |
|---|
| Iq (typ) !(uA) | 19 |
|---|
| Features | |
|---|
| Package | TSOT23-8 |
|---|
| Operating temperature range!(°C) | -40 to 125 |
|---|
| Functional safety category | |
|---|
- Low RDS(ON) for Internal Switches (Top/Bottom): 110/70 mΩ
- 4.5-40V Input Voltage Range
- Internal Compensation
- Internal 1ms Soft-start Limits the Inrush Current
- Adjustable Switching Frequency Range: 500kHz to 2.5MHz
- 3A Output Current Capability
- 1.5% 0.6V Reference
- Low Quiescent Current
- Cycle-by-cycle Peak Current Limitation
- Short Circuit Protection
- Thermal Shutdown and Auto Recovery
- RoHS Compliant and Halogen Free
- Compact Package: TSOT23-8
Evaluation Board
Photo of evaluation board
Photo of evaluation board
Photo of evaluation board
The EVB_SY21153AAIC is intended for evaluating fast response, 3A, 40V synchronous Buck regulator. It features Enable control, output voltage selection inputs.