Datasheet LT3517 (Analog Devices) - 7
| Hersteller | Analog Devices |
| Beschreibung | Full-Featured LED Driver with 1.5A Switch Current |
| Seiten / Seite | 20 / 7 — block DiagraM. Figure 1. Buck Mode LED Driver |
| Dateiformat / Größe | PDF / 414 Kb |
| Dokumentensprache | Englisch |
block DiagraM. Figure 1. Buck Mode LED Driver
Modelllinie für dieses Datenblatt
- LT3517EFE#PBF LT3517EFE#PBF LT3517EFE#TRPBF LT3517EFE#TRPBF LT3517EUF#PBF LT3517EUF#PBF LT3517EUF#TRPBF LT3517EUF#TRPBF LT3517HFE#PBF LT3517HFE#PBF LT3517HFE#TRPBF LT3517HFE#TRPBF LT3517HUF#PBF LT3517HUF#PBF LT3517HUF#TRPBF LT3517HUF#TRPBF LT3517IFE#PBF LT3517IFE#PBF LT3517IFE#TRPBF LT3517IFE#TRPBF LT3517IUF#PBF LT3517IUF#PBF LT3517IUF#TRPBF LT3517IUF#TRPBF
Textversion des Dokuments
LT3517
block DiagraM
LED ARRAY CIN C R FILT SENSE PVIN ISP ISN TG TGEN PWM SW + – VISP CURRENT X10 SENSE AMPLIFIER VISP – 7V SHDN – MOSFET DRIVER CTRL + A1 + ERROR 1V AMPLIFIER + MAIN SWITCH DRIVER A3 – Q1 + POWER A4 R Q 1.01V + S SWITCH + A2 FB – PWM COMPARATOR + VC A8 – GND SYNC SS RAMP GENERATOR + VIN A5 2.5MHz TO 250kHz 1V – OSCILLATOR 100µA VREF VIN 9µA 1V + + SS + A6 Q2 A7 – 2V – FREQ RT ADJUST VIN 3517 F01
Figure 1. Buck Mode LED Driver
3517fh For more information www.linear.com/LT3517 7 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Package Description Revision History Related Parts
block DiagraM
LED ARRAY CIN C R FILT SENSE PVIN ISP ISN TG TGEN PWM SW + – VISP CURRENT X10 SENSE AMPLIFIER VISP – 7V SHDN – MOSFET DRIVER CTRL + A1 + ERROR 1V AMPLIFIER + MAIN SWITCH DRIVER A3 – Q1 + POWER A4 R Q 1.01V + S SWITCH + A2 FB – PWM COMPARATOR + VC A8 – GND SYNC SS RAMP GENERATOR + VIN A5 2.5MHz TO 250kHz 1V – OSCILLATOR 100µA VREF VIN 9µA 1V + + SS + A6 Q2 A7 – 2V – FREQ RT ADJUST VIN 3517 F01
Figure 1. Buck Mode LED Driver
3517fh For more information www.linear.com/LT3517 7 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Package Description Revision History Related Parts