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The LT®3474/LT3474-1 are fixed frequency step-down DC/DC converters designed to operate as constant-current sources. An internal sense resistor monitors the output current allowing accurate current regulation, ideal for driving high current LEDs. High output current accuracy is maintained over a wide current range, from 35mA to 1A, allowing a wide dimming ran.
n n n n n n n n n n n n DESCRIPTION The LT®3474/LT3474-1 are fixed frequency step-down DC/DC converters designed to operate as constant-current sources. An internal sense resistor monitors the output current allowing accurate current regulation, ideal for driving high current LEDs. High output current accuracy is maintained over a wide current range, from 35mA to 1A, allowing a wide dimming range. Unique PWM circuitry allows a dimming range of 400:1, avoiding the color shift normally associated with LED current dimming. The high switching frequency offers several advantages, permitting the use.
| No. | Partie # | Fabricant | Description | Fiche Technique |
|---|---|---|---|---|
| 1 | LT3474 |
Linear Technology |
Step-Down 1A LED Driver |
|
| 2 | LT3470 |
Linear Technology |
Micropower Buck Regulator with Integrated Boost and Catch Diodes |
|
| 3 | LT3470A |
Linear Technology |
Micropower Buck Regulator |
|
| 4 | LT3470A |
Linear Technology |
Micropower Buck Regulator with Integrated Boost and Catch Diodes |
|
| 5 | LT3471 |
Linear Technology |
1.2MHz Boost / Inverter |
|
| 6 | LT3472 |
Linear Technology |
Boost And Inverting DC/DC Converter |
|
| 7 | LT3473 |
Linear Technology |
Micropower 1A Boost Converter |
|
| 8 | LT3473A |
Linear Technology |
Micropower 1A Boost Converter |
|
| 9 | LT3475 |
Linear Technology |
Dual Step-Down l 1.5A LED Driver |
|
| 10 | LT3475-1 |
Linear Technology |
Dual Step-Down l 1.5A LED Driver |
|
| 11 | LT3476 |
Linear Technology |
High Current Quad Output LED Driver |
|
| 12 | LT3477 |
Linear Technology |
DC/DC Converter |
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