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Details
| Topologie | SEPIC Buck-Boost Topologie |
| Eingangsspannung | 5-35 V |
| Schaltfrequenz | 2000-3000 kHz |
| Ausgang 1 | 17 V / 0.4 A |
| IC-Revision | A |
Beschreibung
The LT®3952A is a current mode step-up DC/DC converter with an internal, 60V, 80mΩ DMOS power switch. The LT3952A is specifically designed to drive high power LEDs in multiple configurations. It combines input and output current regulation loops with output voltage regulation to operate as a flexible current/voltage source.
Eigenschaften
- 4000:1 True Color PWM™ Dimming
- 4A, 60V Internal DMOS Switch
- Wide Input Voltage Range: 3V to 42V
- 0V to 60V Output Current Regulation with Monitor
- PMOS Switch Driver for PWM and Output Disconnect
- LED Short-Circuit Protection and SHORTLED Flag
- Internal Spread Spectrum Frequency Modulation
Typische Anwendungen
- Display Backlighting, Automotive and Avionic Lighting
- Accurate Current-Limited Voltage Regulators
Weiterführende Informationen
Artikeldaten
| Artikel Nr. | Datenblatt | Simulation | Downloads | Produktserie | L1 (µH) | L2 (µH) | IR 1 (A) | IR 2 (A) | ISAT 1 (A) | RDC1 typ (Ω) | RDC2 typ (Ω) | RDC1 max (Ω) | RDC2 max (Ω) | fres (MHz) | Muster | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 744874100 | SPEC | 8 Dateien | WE-DD SMT-Doppeldrossel | 10 | 10 | 3.28 | 3.28 | 5.25 | 0.038 | 0.038 | 0.044 | 0.044 | 24 |
| Muster |
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| Artikel Nr. | Datenblatt | Simulation | Downloads | Produktserie | L1 (µH) | L2 (µH) | IR 1 (A) | IR 2 (A) | ISAT 1 (A) | RDC1 typ (Ω) | RDC2 typ (Ω) | RDC1 max (Ω) | RDC2 max (Ω) | fres (MHz) | Muster |
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