Analog Devices LT3745IUJ LED Drivers
LED Driver IC 16 Output DC DC Controller Step-Down (Buck) PWM Dimming 75mA 40-QFN (6x6)

Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
LT3745IUJ
Detailed Description
IC REGULATOR
Package
40-WFQFN Exposed Pad
Lifecycle Status
Obsolete
RoHS State
RoHS Compliant
Datasheet
LT3745IUJ Datasheet
Quick Jump:
Technical Specifications
Analog Devices LT3745IUJ LED Drivers technical specifications.
General
Package / Case
40-WFQFN Exposed Pad
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 125°C (TJ)
Supply Voltage
6V ~ 55V
Lifecycle Status
Obsolete
Frequency
200kHz ~ 1MHz
Type
DC DC Controller
Internal Switch S
No
Output Voltage
36V
Current Output Channel
75mA
Alternate Parts Comparison (LT3745IUJ vs LT3966JUJ#PBF vs LT3966EUJ#PBF vs LT3745EUJ#PBF)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 40-WFQFN Exposed Pad | 40-WFQFN Exposed Pad | 40-WFQFN Exposed Pad | 40-WFQFN Exposed Pad |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 125°C (TJ) | -40°C ~ 150°C (TJ) | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) |
| Frequency | 200kHz ~ 1MHz | 300kHz ~ 2MHz | 300kHz ~ 2MHz | 200kHz ~ 1MHz |
| Applications | Backlight, Signage | Backlight | Backlight | Backlight, Signage |
| Current Output Channel | 75mA | 1.6A | 1.6A | 75mA |
| Dimming | PWM | Analog, PWM | Analog, PWM | PWM |
| Internal Switch S | No | Yes | Yes | No |
| Number of Outputs | 16 | 4 | 4 | 16 |
| Output Voltage | 36V | 60V | 60V | 36V |
| Topology | Step-Down (Buck) | Step-Up (Boost) | Step-Up (Boost) | Step-Down (Buck) |
| Type | DC DC Controller | DC DC Regulator | DC DC Regulator | DC DC Controller |
| Action |
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