Datasheet LTC1871X (Analog Devices) - 8
| Manufacturer | Analog Devices |
| Description | Wide Input Range, No RSENSE Current Mode Boost, Flyback and SEPIC Controller |
| Pages / Page | 32 / 8 — BLOCK DIAGRAM |
| File Format / Size | PDF / 777 Kb |
| Document Language | English |
BLOCK DIAGRAM
Model Line for this Datasheet
Text Version of Document
LTC1871X
BLOCK DIAGRAM
RUN 1 BIAS AND SLOPE START-UP COMPENSATION C2 CONTROL 1.248V FREQ IOSC VIN 4 V-TO-I OSC 9 0.6V MODE/SYNC 5 INTVCC 50k GATE PWM LATCH 85mV + LOGIC 7 0V S 1.230V Q R GND BURST COMPARATOR CURRENT SENSE 0.30V COMPARATOR 10 FB 3 C1 gm 1.230V I I TH LOOP 2 V-TO-I R INTV LOOP CC 5.2V 8 LDO 1.230V SLOPE 1.230V GND UV BIAS V 6 TO REF STARTUP CONTROL 2.00V VIN 1871x BD 1871xf 8 For more information www.linear.com/LTC1871X Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Package Description Typical Application Related Parts
BLOCK DIAGRAM
RUN 1 BIAS AND SLOPE START-UP COMPENSATION C2 CONTROL 1.248V FREQ IOSC VIN 4 V-TO-I OSC 9 0.6V MODE/SYNC 5 INTVCC 50k GATE PWM LATCH 85mV + LOGIC 7 0V S 1.230V Q R GND BURST COMPARATOR CURRENT SENSE 0.30V COMPARATOR 10 FB 3 C1 gm 1.230V I I TH LOOP 2 V-TO-I R INTV LOOP CC 5.2V 8 LDO 1.230V SLOPE 1.230V GND UV BIAS V 6 TO REF STARTUP CONTROL 2.00V VIN 1871x BD 1871xf 8 For more information www.linear.com/LTC1871X Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Package Description Typical Application Related Parts
