Datasheet LTC3633 (Analog Devices) - 10
| Manufacturer | Analog Devices |
| Description | Dual Channel 3A, 15V Monolithic Synchronous Step-Down Regulator |
| Pages / Page | 28 / 10 — BLOCK DIAGRAM |
| File Format / Size | PDF / 411 Kb |
| Document Language | English |
BLOCK DIAGRAM
Model Line for this Datasheet
Text Version of Document
LTC3633
BLOCK DIAGRAM
CIN VON RUN VIN 1.22V 140k AV = 1 + – RUN INTVCC VIN 0.72V 6V RUN I I ON ON V OSC1 t VON CONTROLLER ON = R IION ON S Q BOOST SWITCH LOGIC TG AND M1 CBOOST ANTI- SW SHOOT L1 THROUGH COUT BG M2 ICMP IREV + PGND + – – COMP SELECT SENSE– SENSE+ R2 ITH FB RC IDEAL DIODES R1 CC1 0.6V – REF EA – 0.648V + 0V INTERNAL PGOOD SOFT-START + INTVCC 1.4µA – TRACK – TRACKSS FC BURST UV SS MODE SELECT C + SS 0.552V + 0.48V AT START-UP CHANNEL 1 0.10V AFTER START-UP OSC1 RT OSC MODE/SYNC OSC PLL-SYNC R INTVCC RT 3.3V VIN1 REG PHMODE C PHASE VCC SELECT V2P5 2.5V OSC2 REG SGND CHANNEL 2 (SAME AS CHANNEL 1) 3633 BD 3633fd 10 For more information www.linear.com/LTC3633 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 Typical Applications Package Description Revision History Typical Application Related Parts
BLOCK DIAGRAM
CIN VON RUN VIN 1.22V 140k AV = 1 + – RUN INTVCC VIN 0.72V 6V RUN I I ON ON V OSC1 t VON CONTROLLER ON = R IION ON S Q BOOST SWITCH LOGIC TG AND M1 CBOOST ANTI- SW SHOOT L1 THROUGH COUT BG M2 ICMP IREV + PGND + – – COMP SELECT SENSE– SENSE+ R2 ITH FB RC IDEAL DIODES R1 CC1 0.6V – REF EA – 0.648V + 0V INTERNAL PGOOD SOFT-START + INTVCC 1.4µA – TRACK – TRACKSS FC BURST UV SS MODE SELECT C + SS 0.552V + 0.48V AT START-UP CHANNEL 1 0.10V AFTER START-UP OSC1 RT OSC MODE/SYNC OSC PLL-SYNC R INTVCC RT 3.3V VIN1 REG PHMODE C PHASE VCC SELECT V2P5 2.5V OSC2 REG SGND CHANNEL 2 (SAME AS CHANNEL 1) 3633 BD 3633fd 10 For more information www.linear.com/LTC3633 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 Typical Applications Package Description Revision History Typical Application Related Parts
