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)*
TWD241.00
(exc. GST)
TWD253.04
(inc. GST)
FREE delivery for orders over NT$1,300.00
Temporarily out of stock
- Shipping from November 24, 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units | Per unit | Per Pack* |
|---|---|---|
| 2 - 18 | TWD120.50 | TWD241.00 |
| 20 - 98 | TWD97.50 | TWD195.00 |
| 100 - 198 | TWD74.50 | TWD149.00 |
| 200 + | TWD56.50 | TWD113.00 |
*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 | |
| Product Type | Switching Regulator | |
| Regulator Type | Buck | |
| Output Voltage | 5.5V | |
| Number of Outputs | 1 | |
| Switching Frequency | 500kHz | |
| Polarity | Positive | |
| Mount Type | Surface Mount | |
| Quiescent Current | 60μA | |
| Package Type | QFN | |
| Output Current | 8A | |
| Pin Count | 20 | |
| Output Type | Adjustable | |
| Power Rating | 3.6W | |
| Switching Regulator | Yes | |
| Series | SY21 | |
| Width | 3.6mm | |
| Standards/Approvals | RoHS | |
| Height | 0.85mm | |
| Length | 3.6mm | |
| Maximum Input Voltage | 40V | |
| Minimum Input Voltage | 4V | |
| Minimum Operating Temperature | -40°C | |
| Maximum Operating Temperature | 125°C | |
| Automotive Standard | No | |
| Select all | ||
|---|---|---|
Brand Silergy | ||
Product Type Switching Regulator | ||
Regulator Type Buck | ||
Output Voltage 5.5V | ||
Number of Outputs 1 | ||
Switching Frequency 500kHz | ||
Polarity Positive | ||
Mount Type Surface Mount | ||
Quiescent Current 60μA | ||
Package Type QFN | ||
Output Current 8A | ||
Pin Count 20 | ||
Output Type Adjustable | ||
Power Rating 3.6W | ||
Switching Regulator Yes | ||
Series SY21 | ||
Width 3.6mm | ||
Standards/Approvals RoHS | ||
Height 0.85mm | ||
Length 3.6mm | ||
Maximum Input Voltage 40V | ||
Minimum Input Voltage 4V | ||
Minimum Operating Temperature -40°C | ||
Maximum Operating Temperature 125°C | ||
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
- Tedea Huntleigh Low Profile Load Cell Compression Measure
- 2961105 | Phoenix Contact PCB Mount Power Relay 6A Switching Current, SPDT
- RS PRO Black 3 mm² Hook Up Wire 30m
- ABB D45 Pluto Series Safety Controller 6 Safety Outputs, 24 V dc
- TE Connectivity Coaxial Cable RG400 Coaxial, Unterminated
- Fluke 289 Handheld Digital Multimeter 10A ac Max 1000V ac Max
- RS PRO RS-172 Temperature & Humidity Data Logger
- RS PRO I/O Extension Module for Use with RS PRO Logic Modules Digital