Datasheet LT3474, LT3474-1 (Analog Devices) - 7
| Hersteller | Analog Devices |
| Beschreibung | Step-Down 1A LED Driver |
| Seiten / Seite | 20 / 7 — BLOCK DIAGRAM. Figure 1. Block Diagram |
| Dateiformat / Größe | PDF / 226 Kb |
| Dokumentensprache | Englisch |
BLOCK DIAGRAM. Figure 1. Block Diagram
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Textversion des Dokuments
LT3474/LT3474-1
BLOCK DIAGRAM
VIN VIN 4 CIN BIAS 7 SHDN INT REG 10 AND UVLO ∑ BOOST 6 SLOPE COMP R Q C1 C1 S Q DRIVER Q1 R L1 T 9 OSC SW 5 RT D1 FREQUENCY FOLDBACK OUT 2 – C2 100Ω 0.1Ω LED + 3 2V DLED1 1.25V gm REF 11 PWM PWM 14 USE WITH V PWM DIMMING ADJ VC 13 12 Q2 CC1 CC2 RC 1.25k GND 8 3474 BD
Figure 1. Block Diagram
3474fd 7
BLOCK DIAGRAM
VIN VIN 4 CIN BIAS 7 SHDN INT REG 10 AND UVLO ∑ BOOST 6 SLOPE COMP R Q C1 C1 S Q DRIVER Q1 R L1 T 9 OSC SW 5 RT D1 FREQUENCY FOLDBACK OUT 2 – C2 100Ω 0.1Ω LED + 3 2V DLED1 1.25V gm REF 11 PWM PWM 14 USE WITH V PWM DIMMING ADJ VC 13 12 Q2 CC1 CC2 RC 1.25k GND 8 3474 BD
Figure 1. Block Diagram
3474fd 7