Datasheet LT3756, LT3756-1, LT3756-2 (Analog Devices) - 10
| Hersteller | Analog Devices |
| Beschreibung | 100VIN, 100VOUT LED Controller |
| Seiten / Seite | 26 / 10 — BLOCK DIAGRAM |
| Revision | C |
| Dateiformat / Größe | PDF / 402 Kb |
| Dokumentensprache | Englisch |
BLOCK DIAGRAM
Modelllinie für dieses Datenblatt
- LT3756EMSE#PBF LT3756EMSE#TRPBF LT3756EMSE#WPBF LT3756EMSE#WTRPBF LT3756EMSE-1#PBF LT3756EMSE-1#TRPBF LT3756EMSE-1#WPBF LT3756EMSE-1#WTRPBF LT3756EMSE-2#PBF LT3756EMSE-2#TRPBF LT3756EMSE-2#WPBF LT3756EMSE-2#WTRPBF LT3756EUD#PBF LT3756EUD#TRPBF LT3756EUD-1#PBF LT3756EUD-1#TRPBF LT3756EUD-2#PBF LT3756EUD-2#TRPBF LT3756HMSE-2#PBF LT3756HMSE-2#TRPBF LT3756HMSE-2#WPBF LT3756HMSE-2#WTRPBF LT3756IMSE#PBF LT3756IMSE#TRPBF LT3756IMSE#WPBF LT3756IMSE#WTRPBF LT3756IMSE-1#PBF LT3756IMSE-1#TRPBF LT3756IMSE-1#WPBF LT3756IMSE-1#WTRPBF LT3756IMSE-2#PBF LT3756IMSE-2#TRPBF LT3756IMSE-2#WPBF LT3756IMSE-2#WTRPBF LT3756IUD#PBF LT3756IUD#TRPBF LT3756IUD-1#PBF LT3756IUD-1#TRPBF LT3756IUD-2#PBF LT3756IUD-2#TRPBF LT3756JMSE-2#PBF LT3756JMSE-2#TRPBF LT3756JMSE-2#WPBF LT3756JMSE-2#WTRPBF
Textversion des Dokuments
LT3756/LT3756-1/LT3756-2
BLOCK DIAGRAM
SHDN/UVLO – A6 FB VC PWMOUT PWM VIN – + SHDN 1.22V + 1.3V – LDO 2.1µA OVFB 1.25V COMPARATOR +A8 7.15V INTVCC + A5 g 10µA AT 1.25V – m FB = 1.25V SHORT-CIRCUIT DETECT SCILMB + 10µA + A10 SCILMB GATE – 150mV – + g R Q m DRIVER ISN EAMP –A2 S + PWM 10µA AT ISP 5k A1 COMPARATOR ISENSE – A1+ = A1– + SENSE CTRL A4 CTRL BUFFER – + 1.1V + Q2 –A3 VC RAMP GND GENERATOR SSCLAMP 50k 100kHz TO 1MHz OSCILLATOR OPENLED FAULT 10µA 140µA – LOGIC 1.25V + V 1.2V (LT3756 REF + – + AND FB – TLIM FREQ LT3756-2) 170k 165°C PROG +A7 2V SS RT SYNC (LT3756-1 ONLY) 375612 BD Rev. C 10 For more information www.analog.com 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 Package Description Revision History Typical Application Related Parts
BLOCK DIAGRAM
SHDN/UVLO – A6 FB VC PWMOUT PWM VIN – + SHDN 1.22V + 1.3V – LDO 2.1µA OVFB 1.25V COMPARATOR +A8 7.15V INTVCC + A5 g 10µA AT 1.25V – m FB = 1.25V SHORT-CIRCUIT DETECT SCILMB + 10µA + A10 SCILMB GATE – 150mV – + g R Q m DRIVER ISN EAMP –A2 S + PWM 10µA AT ISP 5k A1 COMPARATOR ISENSE – A1+ = A1– + SENSE CTRL A4 CTRL BUFFER – + 1.1V + Q2 –A3 VC RAMP GND GENERATOR SSCLAMP 50k 100kHz TO 1MHz OSCILLATOR OPENLED FAULT 10µA 140µA – LOGIC 1.25V + V 1.2V (LT3756 REF + – + AND FB – TLIM FREQ LT3756-2) 170k 165°C PROG +A7 2V SS RT SYNC (LT3756-1 ONLY) 375612 BD Rev. C 10 For more information www.analog.com 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 Package Description Revision History Typical Application Related Parts