Datasheet LTC3633A-2, LTC3633A-3 (Analog Devices) - 10
| Manufacturer | Analog Devices |
| Description | Dual Channel 3A, 20V Monolithic Synchronous Step-Down Regulator |
| Pages / Page | 28 / 10 — BLOCK DIAGRAM |
| File Format / Size | PDF / 424 Kb |
| Document Language | English |
BLOCK DIAGRAM
Model Line for this Datasheet
- LTC3633AEFE-2#PBF LTC3633AEFE-2#TRPBF LTC3633AEFE-3#PBF LTC3633AEFE-3#TRPBF LTC3633AEUFD-2#PBF LTC3633AEUFD-2#TRPBF LTC3633AEUFD-3#PBF LTC3633AEUFD-3#TRPBF LTC3633AIFE-2#PBF LTC3633AIFE-2#TRPBF LTC3633AIFE-3#PBF LTC3633AIFE-3#TRPBF LTC3633AIUFD-2#PBF LTC3633AIUFD-2#TRPBF LTC3633AIUFD-3#PBF LTC3633AIUFD-3#TRPBF
Text Version of Document
LTC3633A-2/LTC3633A-3
BLOCK DIAGRAM
CIN VON RUN PVIN 1.22V 140k AV = 1 + – RUN PVIN INTVCC 0.6V (LTC3633A-2) 6V (LTC3633A-2) 1.5V (LTC3633A-3) 12V (LTC3633A-3) 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 SVIN CSVIN RT OSC MODE/SYNC OSC PLL-SYNC R INTVCC RT 3.3V REG PHMODE C PHASE VCC SELECT SGND OSC2 CHANNEL 2 (SAME AS CHANNEL 1) 3633a23 BD 3633a23fb 10 For more information www.linear.com/LTC3633A-2 Document Outline Description Typical Application Absolute Maximum Ratings Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Operation Applications Information Package Description Typical Application Related Parts
BLOCK DIAGRAM
CIN VON RUN PVIN 1.22V 140k AV = 1 + – RUN PVIN INTVCC 0.6V (LTC3633A-2) 6V (LTC3633A-2) 1.5V (LTC3633A-3) 12V (LTC3633A-3) 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 SVIN CSVIN RT OSC MODE/SYNC OSC PLL-SYNC R INTVCC RT 3.3V REG PHMODE C PHASE VCC SELECT SGND OSC2 CHANNEL 2 (SAME AS CHANNEL 1) 3633a23 BD 3633a23fb 10 For more information www.linear.com/LTC3633A-2 Document Outline Description Typical Application Absolute Maximum Ratings Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Operation Applications Information Package Description Typical Application Related Parts
