Datasheet LT3085 (Analog Devices) - 19
| Manufacturer | Analog Devices |
| Description | Adjustable 500mA Single Resistor Low Dropout Regulator |
| Pages / Page | 28 / 19 — TYPICAL APPLICATIONS. Adding Shutdown. Low Dropout Voltage LED Driver. … |
| File Format / Size | PDF / 304 Kb |
| Document Language | English |
TYPICAL APPLICATIONS. Adding Shutdown. Low Dropout Voltage LED Driver. Using a Lower Value SET Resistor
Model Line for this Datasheet
- LT3085EDCB#PBF LT3085EDCB#TRMPBF LT3085EDCB#TRMPBF LT3085EDCB#TRPBF LT3085EDCB#TRPBF LT3085EMS8E#PBF LT3085EMS8E#PBF LT3085EMS8E#TRPBF LT3085EMS8E#TRPBF LT3085IDCB#PBF LT3085IDCB#TRMPBF LT3085IDCB#TRMPBF LT3085IDCB#TRPBF LT3085IDCB#TRPBF LT3085IMS8E#PBF LT3085IMS8E#PBF LT3085IMS8E#TRPBF LT3085IMS8E#TRPBF LT3085MPMS8E LT3085MPMS8E#PBF LT3085MPMS8E#PBF LT3085MPMS8E#TR LT3085MPMS8E#TRPBF LT3085MPMS8E#TRPBF
Text Version of Document
LT3085
TYPICAL APPLICATIONS Adding Shutdown Low Dropout Voltage LED Driver
VIN IN LT3085 VIN C1 VCONTROL D1 100mA LT3085 IN VCONTROL + – OUT + VOUT – 3085 TA04 SET OUT Q1 Q2* ON OFF R1 SET VN2222LL VN2222LL R1 R2 24.9k 2.49Ω SHUTDOWN 3085 TA05 Q2 INSURES ZERO OUTPUT * IN THE ABSENCE OF ANY OUTPUT LOAD.
Using a Lower Value SET Resistor
V IN LT3085 IN 12V VCONTROL + – C1 OUT VOUT 1μF 0.5V TO 10V SET VOUT = 0.5V + 1mA • RSET R1 R2 49.9k 1mA C 499Ω OUT 4.7μF 1% 1% RSET 10k 3085 TA06 3085fb 19 Document Outline FEATURES DESCRIPTION APPLICATIONS TYPICAL APPLICATION ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION ORDER INFORMATION ELECTRICAL CHARACTERISTICS TYPICAL PERFORMANCE CHARACTERISTICS PIN FUNCTIONS BLOCK DIAGRAM APPLICATIONS INFORMATION TYPICAL APPLICATIONS PACKAGE DESCRIPTION REVISION HISTORY TYPICAL APPLICATION RELATED PARTS
TYPICAL APPLICATIONS Adding Shutdown Low Dropout Voltage LED Driver
VIN IN LT3085 VIN C1 VCONTROL D1 100mA LT3085 IN VCONTROL + – OUT + VOUT – 3085 TA04 SET OUT Q1 Q2* ON OFF R1 SET VN2222LL VN2222LL R1 R2 24.9k 2.49Ω SHUTDOWN 3085 TA05 Q2 INSURES ZERO OUTPUT * IN THE ABSENCE OF ANY OUTPUT LOAD.
Using a Lower Value SET Resistor
V IN LT3085 IN 12V VCONTROL + – C1 OUT VOUT 1μF 0.5V TO 10V SET VOUT = 0.5V + 1mA • RSET R1 R2 49.9k 1mA C 499Ω OUT 4.7μF 1% 1% RSET 10k 3085 TA06 3085fb 19 Document Outline FEATURES DESCRIPTION APPLICATIONS TYPICAL APPLICATION ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION ORDER INFORMATION ELECTRICAL CHARACTERISTICS TYPICAL PERFORMANCE CHARACTERISTICS PIN FUNCTIONS BLOCK DIAGRAM APPLICATIONS INFORMATION TYPICAL APPLICATIONS PACKAGE DESCRIPTION REVISION HISTORY TYPICAL APPLICATION RELATED PARTS