Silergy SY21245RBC, 1-Channel Buck, Switching Regulator, 8 A, 5.5V 500 kHz, QFN 20-Pin
- RS Stock No.:
- 820-290
- Mfr. Part No.:
- SY21245RBC
- Manufacturer:
- Silergy
Bulk discount available
View bulk pricing optionsSubtotal (1 pack of 2 units)*
€5.50
(exc. VAT)
€6.76
(inc. VAT)
Temporarily out of stock
- Shipping from 02 November 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units | Per unit | Per Pack* |
|---|---|---|
| 2 - 18 | €2.75 | €5.50 |
| 20 - 98 | €2.225 | €4.45 |
| 100 - 198 | €1.705 | €3.41 |
| 200 + | €1.475 | €2.95 |
*price indicative
- RS Stock No.:
- 820-290
- Mfr. Part No.:
- SY21245RBC
- Manufacturer:
- Silergy
Specifications
Technical data sheets
Legislation and Compliance
Product Details
Find similar products by selecting one or more attributes.
Select all | Attribute | Value |
|---|---|---|
| Brand | Silergy | |
| Regulator Type | Buck | |
| Product Type | Switching Regulator | |
| Output Voltage | 5.5V | |
| Number of Outputs | 1 | |
| Switching Frequency | 500kHz | |
| Mount Type | Surface Mount | |
| Polarity | Positive | |
| Package Type | QFN | |
| Quiescent Current | 60μA | |
| Pin Count | 20 | |
| Output Current | 8A | |
| Output Type | Adjustable | |
| Power Rating | 3.6W | |
| Switching Regulator | Yes | |
| Height | 0.85mm | |
| Series | SY21 | |
| Standards/Approvals | RoHS | |
| Width | 3.6mm | |
| Length | 3.6mm | |
| Maximum Input Voltage | 40V | |
| Maximum Operating Temperature | 125°C | |
| Minimum Operating Temperature | -40°C | |
| Minimum Input Voltage | 4V | |
| Automotive Standard | No | |
| Select all | ||
|---|---|---|
Brand Silergy | ||
Regulator Type Buck | ||
Product Type Switching Regulator | ||
Output Voltage 5.5V | ||
Number of Outputs 1 | ||
Switching Frequency 500kHz | ||
Mount Type Surface Mount | ||
Polarity Positive | ||
Package Type QFN | ||
Quiescent Current 60μA | ||
Pin Count 20 | ||
Output Current 8A | ||
Output Type Adjustable | ||
Power Rating 3.6W | ||
Switching Regulator Yes | ||
Height 0.85mm | ||
Series SY21 | ||
Standards/Approvals RoHS | ||
Width 3.6mm | ||
Length 3.6mm | ||
Maximum Input Voltage 40V | ||
Maximum Operating Temperature 125°C | ||
Minimum Operating Temperature -40°C | ||
Minimum Input Voltage 4V | ||
Automotive Standard No | ||
- COO (Country of Origin):
- CN
The Silergy synchronous buck converter is designed to deliver 8A output current across a wide input voltage range from 4V to 40V, utilising Advanced control strategies for superior performance.
Low RDS(ON) for internal MOSFETs ensures minimal conduction loss
Wide input voltage range allows flexibility in various applications
Integrated soft-start limits inrush current for added system stability
Programmable valley current limit thresholds enhance operational flexibility
Cycle-by-cycle current limit protection ensures device safety
Auto-recovery from short-circuit and over-temperature conditions improves reliability