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Product Detailed Parameters
- Description：IC LED DRIVER RGLTR 500MA 10MLPD
- Series：-
- Mfr：Semtech Corporation
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：DC DC Regulator
- Topology：Switched Capacitor (Charge Pump)
- Internal Switch(s)：Yes
- Number of Outputs：1
- Voltage - Supply (Min)：3V
- Voltage - Supply (Max)：5.25V
- Voltage - Output：-
- Current - Output / Channel：500mA (Flash)
- Frequency：250kHz
- Dimming：-
- Applications：Camera Flash
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：10-UFDFN Exposed Pad
- Supplier Device Package：10-MLPD-UT (3x3)
- Grade：-
- Qualification：-
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Overview
The SC618ULTRT is a high-efficiency LED driver IC from Semtech, utilizing a switched capacitor charge pump topology. It features a single output channel capable of delivering up to 500 mA of regulated current. The device operates within an input voltage range of 3 V to 5.5 V and functions at a switching frequency of 250 kHz. Designed for surface-mount installation, it is housed in a compact MLPQ-UT-20 package. The component supports an operating temperature range from -40°C to +85°C and includes integrated safety timer functionality.
Feature Summary
- Integrates a charge pump topology for efficient DC-DC regulation suitable for LED driving applications
- Includes built-in safety timer mechanisms to manage operational limits and prevent fault conditions
- Provides regulated constant current output for consistent LED brightness control
Applications
- Camera flash lighting systems
- Portable electronic device illumination
- High-efficiency LED driver circuits
Procurement Notes
Verify the specific ordering suffix and package variant against the manufacturer's official documentation before procurement. Confirm that the MLPQ-UT-20 footprint matches your PCB design requirements. Ensure compatibility with the required input voltage range and thermal management specifications for your target application environment.
Selection Notes
Select this component when a compact, high-efficiency solution for single-channel LED driving is required. The charge pump architecture eliminates the need for external inductors, simplifying board layout. Consider the 500 mA output capability and 250 kHz frequency when designing for space-constrained portable devices or camera modules requiring fast response times.
Part Context
This part belongs to the SC6 series of LED drivers manufactured by Semtech Corporation. These components are designed for mobile and portable electronics where size and efficiency are critical. The SC618 specifically targets applications requiring regulated current drive without the complexity of inductor-based boost converters.
Replacement Considerations
Consult official cross-reference lists for verified substitutes. Generic equivalents may not match the specific safety timer integration or charge pump performance characteristics.
