Datasheet LT3689, LT3689-5 (Analog Devices) - 10
| Manufacturer | Analog Devices |
| Description | 700mA Step-Down Regulator with Power-On Reset and Watchdog Timer |
| Pages / Page | 34 / 10 — BLOCK DIAGRAM |
| File Format / Size | PDF / 986 Kb |
| Document Language | English |
BLOCK DIAGRAM
Model Line for this Datasheet
- LT3689EMSE#PBF LT3689EMSE#TRPBF LT3689EMSE-5#PBF LT3689EMSE-5#TRPBF LT3689EUD#PBF LT3689EUD#TRPBF LT3689EUD-5#PBF LT3689EUD-5#TRPBF LT3689HMSE#PBF LT3689HMSE#TRPBF LT3689HMSE-5#PBF LT3689HMSE-5#TRPBF LT3689IMSE#PBF LT3689IMSE#TRPBF LT3689IMSE-5#PBF LT3689IMSE-5#TRPBF LT3689IUD#PBF LT3689IUD#TRPBF LT3689IUD-5#PBF LT3689IUD-5#TRPBF
Text Version of Document
LT3689/LT3689-5
BLOCK DIAGRAM
VIN VIN C1 – INTERNAL 0.8VREF + OUT EN/UVLO Σ SLOPE COMP SWITCH BST LATCH RT R OSCILLATOR Q C2 R S T SYNC SW L1 V OUT DISABLE SOFT-START Burst Mode D1 C3 OPERATION DA V OUT OUT LT3689-5 DETECT ERROR AMP ONLY R1 525k + VC R FB SEN – VC CLAMP R GND C R2 100k CC WDE 2µA WDI TRANSITION WATCHDOG CWDT DETECT TIMER W/T 22µA OUT + 80mV 1µA FB WDO – + OUT ADJUSTABLE RESET PULSE 1µA GENERATOR VIN – RST 2µA 3.4V + 22µA CPOR 3689 BD 3689fe 10 For more information www.linear.com/LT3689 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Timing Diagrams Operation Applications Information Typical Applications Package Description Revision History Typical Application Related Parts
BLOCK DIAGRAM
VIN VIN C1 – INTERNAL 0.8VREF + OUT EN/UVLO Σ SLOPE COMP SWITCH BST LATCH RT R OSCILLATOR Q C2 R S T SYNC SW L1 V OUT DISABLE SOFT-START Burst Mode D1 C3 OPERATION DA V OUT OUT LT3689-5 DETECT ERROR AMP ONLY R1 525k + VC R FB SEN – VC CLAMP R GND C R2 100k CC WDE 2µA WDI TRANSITION WATCHDOG CWDT DETECT TIMER W/T 22µA OUT + 80mV 1µA FB WDO – + OUT ADJUSTABLE RESET PULSE 1µA GENERATOR VIN – RST 2µA 3.4V + 22µA CPOR 3689 BD 3689fe 10 For more information www.linear.com/LT3689 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Timing Diagrams Operation Applications Information Typical Applications Package Description Revision History Typical Application Related Parts
