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Product Detailed Parameters
- Description：IC LED DRV RGLTR PWM 34MA 10WSON
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR)
- Type：DC DC Regulator
- Topology：Switched Capacitor (Charge Pump)
- Internal Switch(s)：Yes
- Number of Outputs：2
- Voltage - Supply (Min)：3V
- Voltage - Supply (Max)：5.8V
- Voltage - Output：-
- Current - Output / Channel：34mA
- Frequency：1.1MHz
- Dimming：Analog, PWM
- Applications：Backlight
- Operating Temperature：-30°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：10-WFDFN Exposed Pad
- Supplier Device Package：10-WSON (3x3)
- Grade：-
- Qualification：-
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Overview
The LM2792LD-L/NOPB is a current-regulated switched capacitor LED driver designed for backlight applications. It utilizes a charge pump topology to drive LEDs with high efficiency. The device supports both analog and PWM dimming methods, allowing for flexible brightness control. It operates within a frequency range of 900kHz to 1.8MHz, with specific variants running at 1.1MHz. The component is housed in a 10-WSON surface-mount package and functions across an operating temperature range of -30°C to 85°C.
Feature Summary
- Current-regulated switched capacitor architecture for efficient LED driving
- Supports both analog and PWM dimming control options
- Integrated internal driver for optimal performance
- Surface-mount 10-WSON packaging for structural stability
Applications
- LED backlighting systems
- Display illumination drivers
- Portable electronic device lighting
Procurement Notes
This component is marked as obsolete and no longer manufactured by Texas Instruments. Procurement should focus on verifying the authenticity of existing stock from authorized distributors or secondary market suppliers. Buyers must confirm the exact revision level and package condition prior to purchase, as availability is limited to remaining inventory rather than new production runs.
Selection Notes
Engineers selecting this part should consider its discontinued status when designing new products. Alternative solutions such as the LM27966SQ/NOPB are recommended for new designs. For maintenance or repair scenarios, verify that the replacement unit matches the original pinout and electrical characteristics. Ensure compatibility with existing PCB layouts and thermal management requirements before integrating substitute components.
Part Context
The LM2792LD-L/NOPB belongs to the LM279x family of LED drivers from Texas Instruments. This series includes various models like the LM2794TL/NOPB and LM2792LD-H/NOPB, which share similar switched capacitor technologies. The 'L' suffix typically denotes specific operational parameters within the family. These devices are commonly used in consumer electronics requiring compact, efficient LED regulation.
Replacement Considerations
The LM27966SQ/NOPB is listed as a similar available alternative. Verify functional equivalence regarding switching frequency, dimming interface, and current regulation capabilities. Check package dimensions and pin assignments to ensure mechanical compatibility with existing footprints.
