Analog Devices LT3909EDD#TRPBF LED Drivers
LED Driver IC 2 Output DC DC Regulator Step-Up (Boost) Analog, PWM Dimming 50mA 12-DFN (3x3)

Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
LT3909EDD#TRPBF
Detailed Description
IC LED DRIVER
Package
12-WFDFN Exposed Pad
Lifecycle Status
Active
RoHS State
RoHS Compliant
Datasheet
LT3909EDD#TRPBF Datasheet
Quick Jump:
Technical Specifications
Analog Devices LT3909EDD#TRPBF LED Drivers technical specifications.
General
Package / Case
12-WFDFN Exposed Pad
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 125°C (TJ)
Supply Voltage
2.9V ~ 40V
Lifecycle Status
Active
Frequency
2MHz
Type
DC DC Regulator
Internal Switch S
Yes
Output Voltage
40V
Current Output Channel
50mA
Alternate Parts Comparison (LT3909EDD#TRPBF vs LT3909IDD#TRPBF vs LT3498EDDB#TRPBF vs LT3498EDDB)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 12-WFDFN Exposed Pad | 12-WFDFN Exposed Pad | 12-WFDFN Exposed Pad | 12-WFDFN Exposed Pad |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | -40°C ~ 85°C (TJ) | -40°C ~ 85°C (TJ) |
| Frequency | 2MHz | 2MHz | 2.3MHz | 2.3MHz |
| Applications | Automotive | Automotive | Backlight | Backlight |
| Current Output Channel | 50mA | 50mA | 20mA | 20mA |
| Dimming | Analog, PWM | Analog, PWM | Analog, PWM | Analog, PWM |
| Internal Switch S | Yes | Yes | Yes | Yes |
| Number of Outputs | 2 | 2 | 1 | 1 |
| Output Voltage | 40V | 40V | 32V | 32V |
| Topology | Step-Up (Boost) | Step-Up (Boost) | Step-Up (Boost) | Step-Up (Boost) |
| Type | DC DC Regulator | DC DC Regulator | DC DC Regulator | DC DC Regulator |
| Action |
More Parts in LED Drivers
Browse additional parts from the same category, grouped by series, package type, and manufacturer. These are catalog suggestions — not verified pin-compatible alternates.