Datasheet LTC3851A (Analog Devices) - 9

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