High Efficiency, 2.0MHz, 4A Synchronous Step Down Regulator
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- Parameters
- Features
- Description
| Part number |
SY26103RHQ |
| Channel(#) |
1 |
| Vin (min) (V) |
5.2 |
| Vin (max) (V) |
18 |
| Switching frequency (min)(kHz) |
2000 |
| Switching frequency (max)(kHz) |
2000 |
| Vout (min) (V) |
0.6 |
| Vout (max) (V) |
5.5 |
| Iout (max) (A) |
4 |
| Vout2 (min)(V) |
|
| Vout2 (max )(V) |
|
| Iout2 (max)(A) |
|
| Vref accuracy (±%) |
1.5 |
| Vout accuracy(±%) |
|
| Control mode |
COT+Ripple |
| Duty cycle (max)(%) |
75 |
| Operation mode |
Auto PFM |
| Iq (typ) (uA) |
75 |
| Features |
Power good, Soft start |
| Package |
QFN2.5×2.5-16 |
| Operating temperature range(°C) |
-40 to 125 |
| Functional safety category |
|
- 5.2V to 18V Input Voltage Range
- Low RDS(ON) for Internal Switches (Top/Bottom): 50mΩ/25mΩ
- High Switching Frequency 2.0MHz Minimizes the External Components
- 75μA Operating Quiescent Current
- Power Good Indicator
- Power Save Mode for Light Load Efficiency
- Reliable Protection Mode: Auto-recovery Mode for UVLO, UVP, OTP
- Cycle-by-cycle Valley Current Limit and Peak Current Limit
- Programmable Soft-start
- RoHS Compliant and Halogen Free
- Compact Package: QFN2.5x2.5-16
The SY26103 is a high efficiency 2.0MHz synchronous step down DC/DC regulator capable of delivering up to 4A output currents. It can operate over a wide input voltage range from 5.2V to 18V and integrate main switch and synchronous switch with very low RDS (ON) to minimize the conduction loss.
Evaluation Board
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Photo of evaluation board
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Photo of evaluation board
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Photo of evaluation board
The EVB_SY26103RHQ is intended for evaluating 2.0MHz, 4A, 18V synchronous Buck regulator.
