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Product Detailed Parameters
- Description：IC LED DRVR RGLTR I2C 1A 12WSON
- Series：-
- Mfr：Texas Instruments
- 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)：2.7V
- Voltage - Supply (Max)：5.5V
- Voltage - Output：2V ~ 4V
- Current - Output / Channel：1A (Flash)
- Frequency：1MHz
- Dimming：I2C
- Applications：Camera Flash
- Operating Temperature：-30°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：12-WFDFN Exposed Pad
- Supplier Device Package：12-WSON (3x3)
- Grade：-
- Qualification：-
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Overview
The LM2759SDX/NOPB is a Texas Instruments LED lighting driver IC designed for switched capacitor flash applications. It features a single output channel with a charge pump topology, delivering a constant current of 1 A. The device operates within an input voltage range of 2.7 V to 5.5 V and supports an output voltage range of 2 V to 4 V. It functions at a switching frequency between 700 kHz and 1.3 MHz. The component is housed in a WSON-12 package and includes I2C control capabilities. It operates reliably across a temperature range of -30°C to +85°C.
Feature Summary
- Integrates a charge pump topology for efficient step-up conversion in compact designs.
- Provides precise constant current regulation suitable for high-power LED flash applications.
- Supports digital configuration and monitoring via I2C interface control.
Applications
- Camera flash LED drivers
- Mobile device illumination systems
- Portable electronic lighting circuits
Procurement Notes
Verify the specific suffix against official datasheets to confirm pinout and electrical characteristics match design requirements. Confirm RoHS compliance status through manufacturer documentation. Ensure ESD handling protocols are followed during assembly due to moisture sensitivity classification. Cross-reference ordering information with authorized distributors to validate part authenticity and revision levels before procurement.
Selection Notes
Select this component when designing space-constrained flash circuits requiring integrated charge pump functionality. Consider the WSON-12 package for thermal management and board area efficiency. Evaluate the I2C control interface needs for dynamic brightness adjustment. Verify that the 1 A output current aligns with the target LED specifications and input voltage constraints of the system architecture.
Part Context
This device belongs to the LM2759 series of LED drivers from Texas Instruments. It is specifically engineered for switched capacitor applications where high efficiency and small footprint are critical. The series targets portable electronics requiring reliable flash performance. It complements other power management solutions by providing dedicated LED driving capabilities with digital control integration.
Replacement Considerations
Consult official substitution guides for verified alternatives. Check for functional equivalence in topology, current rating, and package dimensions. Validate compatibility with existing I2C control schemes and thermal requirements before implementing any substitute components.
