Datasheet LT8618, LT8618-3.3 (Analog Devices) - 9
| Manufacturer | Analog Devices |
| Description | High Efficiency 65V/100mA Synchronous Buck |
| Pages / Page | 20 / 9 — BLOCK DIAGRAM |
| File Format / Size | PDF / 2.9 Mb |
| Document Language | English |
BLOCK DIAGRAM
Model Line for this Datasheet
- LT8618EDDB#TRMPBF LT8618EDDB#TRPBF LT8618EDDB#WTRMPBF LT8618EDDB#WTRPBF LT8618EDDB-3.3#TRMPBF LT8618EDDB-3.3#TRPBF LT8618EDDB-3.3#WTRMPBF LT8618EDDB-3.3#WTRPBF LT8618IDDB#TRMPBF LT8618IDDB#TRPBF LT8618IDDB#WTRMPBF LT8618IDDB#WTRPBF LT8618IDDB-3.3#TRMPBF LT8618IDDB-3.3#TRPBF LT8618IDDB-3.3#WTRMPBF LT8618IDDB-3.3#WTRPBF
Text Version of Document
LT8618/LT8618-3.3
BLOCK DIAGRAM
V BIAS VIN 10 IN 3 CIN – R3 INTERNAL 0.778V REF + 3.4V 1V + REG EN/UV 9 – SHDN INTVCC SLOPE COMP 4 R4 CINTVCC RT RT BST 5 OSCILLATOR 200kHz TO 2.2MHz 1 ERROR ±7.5% PG AMP 8 M1 CBST + V SWITCH C BURST SW L + LOGIC DETECT – AND 2 VOUT ANTI- C SHOOT OUT SHDN THROUGH M2 TSD INTV UVLO 2µA CC CSS VIN UVLO TR/SS GND 7 11 SHDN TSD R1 R2 VIN UVLO LT8618-3.3 LT8618 FB ONLY* ONLY OUT 6 6 R1 R2 * R1 = 1.5M, R2 = 4.6875M 8618 BD Rev. 0 For more information www.analog.com 9 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Pin Functions Block Diagram Operation Applications Information Typical Applications Package Description Typical Application Related Parts
BLOCK DIAGRAM
V BIAS VIN 10 IN 3 CIN – R3 INTERNAL 0.778V REF + 3.4V 1V + REG EN/UV 9 – SHDN INTVCC SLOPE COMP 4 R4 CINTVCC RT RT BST 5 OSCILLATOR 200kHz TO 2.2MHz 1 ERROR ±7.5% PG AMP 8 M1 CBST + V SWITCH C BURST SW L + LOGIC DETECT – AND 2 VOUT ANTI- C SHOOT OUT SHDN THROUGH M2 TSD INTV UVLO 2µA CC CSS VIN UVLO TR/SS GND 7 11 SHDN TSD R1 R2 VIN UVLO LT8618-3.3 LT8618 FB ONLY* ONLY OUT 6 6 R1 R2 * R1 = 1.5M, R2 = 4.6875M 8618 BD Rev. 0 For more information www.analog.com 9 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Pin Functions Block Diagram Operation Applications Information Typical Applications Package Description Typical Application Related Parts
