Datasheet LTC3851A (Analog Devices) - 9
| Manufacturer | Analog Devices |
| Description | Synchronous Step-Down Switching Regulator Controller |
| Pages / Page | 30 / 9 — FuncTional DiagraM |
| File Format / Size | PDF / 445 Kb |
| Document Language | English |
FuncTional DiagraM
Model Line for this Datasheet
- LTC3851AEGN#PBF LTC3851AEGN#PBF LTC3851AEGN#TRPBF LTC3851AEGN#TRPBF LTC3851AEMSE#PBF LTC3851AEMSE#PBF LTC3851AEMSE#TRPBF LTC3851AEMSE#TRPBF LTC3851AEUD#PBF LTC3851AEUD#PBF LTC3851AEUD#TRPBF LTC3851AEUD#TRPBF LTC3851AHMSE#PBF LTC3851AHMSE#PBF LTC3851AHMSE#TRPBF LTC3851AHMSE#TRPBF LTC3851AIGN#PBF LTC3851AIGN#PBF LTC3851AIGN#TRPBF LTC3851AIGN#TRPBF LTC3851AIMSE#PBF LTC3851AIMSE#PBF LTC3851AIMSE#TRPBF LTC3851AIMSE#TRPBF LTC3851AIUD#PBF LTC3851AIUD#PBF LTC3851AIUD#TRPBF LTC3851AIUD#TRPBF LTC3851AMPMSE#PBF LTC3851AMPMSE#PBF LTC3851AMPMSE#TRPBF LTC3851AMPMSE#TRPBF
Text Version of Document
LTC3851A
FuncTional DiagraM
V FREQ/PLLFLTR MODE/PLLIN IN VIN + CIN 100k 0.8V 5V REG MODE/SYNC DETECT PLL-SYNC – + BOOST BURSTEN OSC S TG CB R Q PULSE SKIP M1 SW ON 5k SWITCH + – LOGIC SENSE+ D AND B L1 I ANTI- ICMP REV V SHOOT OUT – + SENSE– THROUGH RUN INTVCC + ILIM C BG OUT OV M2 CVCC SLOPE COMPENSATION GND INTVCC UVLO 1 100k R2 VFB ITHB + OV R1 – 0.88V VIN SLEEP – SS 0.8V + RUN – + REF EA 1µA – + + + – 0.64V 1.22V 2µA 0.4V 3851A FD ITH RUN TK/SS R C C SS CC1 3851afa 9 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Functional Diagram Operation Applications Information Typical Applications Package Description Revision History Typical Application Related Parts
FuncTional DiagraM
V FREQ/PLLFLTR MODE/PLLIN IN VIN + CIN 100k 0.8V 5V REG MODE/SYNC DETECT PLL-SYNC – + BOOST BURSTEN OSC S TG CB R Q PULSE SKIP M1 SW ON 5k SWITCH + – LOGIC SENSE+ D AND B L1 I ANTI- ICMP REV V SHOOT OUT – + SENSE– THROUGH RUN INTVCC + ILIM C BG OUT OV M2 CVCC SLOPE COMPENSATION GND INTVCC UVLO 1 100k R2 VFB ITHB + OV R1 – 0.88V VIN SLEEP – SS 0.8V + RUN – + REF EA 1µA – + + + – 0.64V 1.22V 2µA 0.4V 3851A FD ITH RUN TK/SS R C C SS CC1 3851afa 9 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Functional Diagram Operation Applications Information Typical Applications Package Description Revision History Typical Application Related Parts
