ChipApex | Global Electronic Components Supplier
SEARCH
Search Product
Search Post
— IC芯片 | 连接器 | 传感器 | 被动器件 —
Consult the customer manager about the wholesale price.
consultation hotline：86-132-6715-2157
email：[email protected]
Contact the product manager for consultation. One-stop consultation is available.
Do you want a lower wholesale price? Please send us your inquiry and we will reply immediately.
Product Detailed Parameters
- Description：IC LED DRV RGLTR PWM 25MA 20MLPQ
- Series：-
- Mfr：Semtech Corporation
- Package：Tape & Reel (TR)
- Type：DC DC Regulator
- Topology：Switched Capacitor (Charge Pump)
- Internal Switch(s)：Yes
- Number of Outputs：7
- Voltage - Supply (Min)：2.9V
- Voltage - Supply (Max)：5.5V
- Voltage - Output：2.5V ~ 5.25V
- Current - Output / Channel：25mA
- Frequency：250kHz
- Dimming：PWM
- Applications：Backlight
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：20-VFQFN Exposed Pad
- Supplier Device Package：20-MLPQ-UT (3x3)
- Grade：-
- Qualification：-
Download product information
Overview
The SC656ULTRT is a high-efficiency LED driver IC from the Semtech SC6 series, designed for backlight applications. It features a switched-capacitor charge pump topology with seven independent output channels. The device operates within an input voltage range of 2.9 V to 5.5 V and supports PWM dimming control. Each channel delivers up to 25 mA of output current. The component functions at a switching frequency of 250 kHz and is housed in a 20-MLPQ-UT package. It is rated for operation between -40°C and +85°C.
Feature Summary
- Integrates a charge pump topology for efficient multi-channel LED regulation
- Supports precise PWM dimming control for brightness adjustment
- Provides seven independent regulated output channels
- Designed for compact surface-mount implementation
Applications
- Mobile device LCD backlight systems
- Portable electronic display illumination
- Consumer electronics LED lighting modules
Procurement Notes
Verify component authenticity through authorized distribution channels due to potential counterfeit risks. Confirm package marking and datasheet alignment with official Semtech documentation. Check end-of-life status and availability constraints before integration into new designs. Ensure supply chain stability for production volumes.
Selection Notes
Select this component for applications requiring multiple regulated LED outputs from a low-voltage source. The charge pump architecture eliminates the need for external inductors, simplifying PCB layout. Consider the 25 mA per channel limit when sizing LED arrays. Verify thermal performance within the specified operating temperature range.
Part Context
This part belongs to the Semtech SC6 family of LED drivers, which focuses on high-efficiency solutions for portable devices. The series utilizes charge pump technology to regulate LED currents without magnetic components. These ICs are optimized for space-constrained environments typical in mobile and consumer electronics.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided documentation. Consult Semtech technical support or authorized distributors for cross-reference information regarding equivalent components.
