Datasheet Linear Technology LT3954
| Manufacturer | Linear Technology |
| Series | LT3954 |
40Vin LED Converter with Internal PWM Generator
Datasheets
LT3954 - 40VIN LED Converter with Internal PWM Generator
PDF, 330 Kb, Revision: A, File uploaded: Oct 4, 2017
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Prices
Packaging
| LT3954EUHE#PBF | LT3954EUHE#TRPBF | LT3954IUHE#PBF | LT3954IUHE#TRPBF | |
|---|---|---|---|---|
| N | 1 | 2 | 3 | 4 |
| Package | 5x6 QFN-36 Package Outline Drawing | 5x6 QFN-36 Package Outline Drawing | 5x6 QFN-36 Package Outline Drawing | 5x6 QFN-36 Package Outline Drawing |
| Package Code | UHE | UHE | UHE | UHE |
| Package Index | 05-08-1836 | 05-08-1836 | 05-08-1836 | 05-08-1836 |
| Pin Count | 36 | 36 | 36 | 36 |
Parametrics
| Parameters / Models | LT3954EUHE#PBF | LT3954EUHE#TRPBF | LT3954IUHE#PBF | LT3954IUHE#TRPBF |
|---|---|---|---|---|
| Architecture | Constant Frequency Current Mode | Constant Frequency Current Mode | Constant Frequency Current Mode | Constant Frequency Current Mode |
| Demo Boards | DC2079A | DC2079A | DC2079A | DC2079A |
| Design Tools | LTspice File | LTspice File | LTspice File | LTspice File |
| Dimming | 3000:1 PWM | 3000:1 PWM | 3000:1 PWM | 3000:1 PWM |
| Export Control | no | no | no | no |
| Features | Rail-to-Rail Current Sense, Internal PWM Generator | Rail-to-Rail Current Sense, Internal PWM Generator | Rail-to-Rail Current Sense, Internal PWM Generator | Rail-to-Rail Current Sense, Internal PWM Generator |
| Frequency, kHz | 1000 | 1000 | 1000 | 1000 |
| Ishutdown, µA | 0.1 | 0.1 | 0.1 | 0.1 |
| Isupply, mA | 1.8 | 1.8 | 1.8 | 1.8 |
| Max Number of LEDs | 10 | 10 | 10 | 10 |
| Monolithic | yes | yes | yes | yes |
| Number of Outputs | 1 | 1 | 1 | 1 |
| Operating Temperature Range, °C | 0 to 85 | 0 to 85 | -40 to 85 | -40 to 85 |
| Output Current, A | 4 | 4 | 4 | 4 |
| Switch Current, A | 6.3 | 6.3 | 6.3 | 6.3 |
| Synchronous | no | no | no | no |
| Topology | Buck, Boost, Sepic, Buck-Boost, LED Driver | Buck, Boost, Sepic, Buck-Boost, LED Driver | Buck, Boost, Sepic, Buck-Boost, LED Driver | Buck, Boost, Sepic, Buck-Boost, LED Driver |
| Vin Max, V | 40 | 40 | 40 | 40 |
| Vin Min, V | 4.5 | 4.5 | 4.5 | 4.5 |
| Vout Max, V | 40 | 40 | 40 | 40 |
Eco Plan
| LT3954EUHE#PBF | LT3954EUHE#TRPBF | LT3954IUHE#PBF | LT3954IUHE#TRPBF | |
|---|---|---|---|---|
| RoHS | Compliant | Compliant | Compliant | Compliant |
Model Line
Series: LT3954 (4)
Manufacturer's Classification
- Power Management > LED Driver ICs > Step-Up (Boost) LED Drivers | Buck-Boost LED Drivers | Multitopology LED Driver
