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
N
Bulk discount available
View bulk pricing optionsSubtotal (1 pack of 2 units)*
TWD281.00
(exc. GST)
TWD295.04
(inc. GST)
FREE delivery for orders over NT$1,300.00
In Stock
- Plus 3,000 unit(s) shipping from November 09, 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units | Per unit | Per Pack* |
|---|---|---|
| 2 - 18 | TWD140.50 | TWD281.00 |
| 20 - 98 | TWD114.00 | TWD228.00 |
| 100 - 198 | TWD110.50 | TWD221.00 |
| 200 + | TWD107.00 | TWD214.00 |
*price indicative
- RS Stock No.:
- 820-290
- Mfr. Part No.:
- SY21245RBC
- Manufacturer:
- Silergy
Specifications
Product overview and 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 | |
| Number of Outputs | 1 | |
| Output Voltage | 5.5V | |
| 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 | |
| Series | SY21 | |
| Width | 3.6mm | |
| Standards/Approvals | RoHS | |
| Length | 3.6mm | |
| Height | 850μm | |
| Maximum Operating Temperature | 125°C | |
| Minimum Input Voltage | 4V | |
| Minimum Operating Temperature | -40°C | |
| Maximum Input Voltage | 40V | |
| Automotive Standard | No | |
| Select all | ||
|---|---|---|
Brand Silergy | ||
Regulator Type Buck | ||
Product Type Switching Regulator | ||
Number of Outputs 1 | ||
Output Voltage 5.5V | ||
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 | ||
Series SY21 | ||
Width 3.6mm | ||
Standards/Approvals RoHS | ||
Length 3.6mm | ||
Height 850μm | ||
Maximum Operating Temperature 125°C | ||
Minimum Input Voltage 4V | ||
Minimum Operating Temperature -40°C | ||
Maximum Input Voltage 40V | ||
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
Related links
- RS PRO I/O Extension Module for Use with RS PRO Logic Modules Digital
- RS PRO Black 3 mm² Hook Up Wire 30m
- Tedea Huntleigh Low Profile Load Cell Compression Measure
- Fluke 289 Handheld Digital Multimeter 10A ac Max 1000V ac Max
- ABB D45 Pluto Series Safety Controller 6 Safety Outputs, 24 V dc
- TE Connectivity Coaxial Cable RG400 Coaxial, Unterminated
- RS PRO RS-172 Temperature & Humidity Data Logger
- 2961105 | Phoenix Contact PCB Mount Power Relay 6A Switching Current, SPDT