Datasheet LT3080 (Analog Devices) - 17
| Hersteller | Analog Devices |
| Beschreibung | Adjustable 1.1A Single Resistor Low Dropout Regulator |
| Seiten / Seite | 28 / 17 — Typical applicaTions. Higher Output Current. Adding Shutdown. Current … |
| Dateiformat / Größe | PDF / 385 Kb |
| Dokumentensprache | Englisch |
Typical applicaTions. Higher Output Current. Adding Shutdown. Current Source. Low Dropout Voltage LED Driver
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LT3080
Typical applicaTions Higher Output Current Adding Shutdown
V MJ4502 IN IN LT3080 6V VIN 50Ω IN LT3080 VCONTROL V + CONTROL + – 100µF + OUT V – OUT 1µF OUT VOUT SET 3.3V 5A ON OFF Q1 R1 1N4148 Q2* SET + VN2222LL VN2222LL 4.7µF 100µF 332k SHUTDOWN 3080 TA04 Q2 INSURES ZERO OUTPUT * 3080 TA02 IN THE ABSENCE OF ANY OUTPUT LOAD.
Current Source Low Dropout Voltage LED Driver
VIN V IN LT3080 IN C1 VCONTROL 10V D1 100mA LT3080 IN VCONTROL + 1µF – + OUT 1Ω IOUT 0A TO 1A – SET OUT 4.7µF 100k SET R1 R2 24.9k 2.49Ω 3080 TA03 3080 TA05
Using a Lower Value SET Resistor
VIN IN LT3080 12V VCONTROL + – C1 OUT VOUT 1µF 0.5V TO 10V SET V R1 R2 OUT = 0.5V + 1mA • RSET 49.9k 1mA C 499Ω OUT 4.7µF 1% 1% RSET 10k 3080 TA06 3080fc 17 Document Outline Features Applications Description 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 Higher Output Current Adding Shutdown
V MJ4502 IN IN LT3080 6V VIN 50Ω IN LT3080 VCONTROL V + CONTROL + – 100µF + OUT V – OUT 1µF OUT VOUT SET 3.3V 5A ON OFF Q1 R1 1N4148 Q2* SET + VN2222LL VN2222LL 4.7µF 100µF 332k SHUTDOWN 3080 TA04 Q2 INSURES ZERO OUTPUT * 3080 TA02 IN THE ABSENCE OF ANY OUTPUT LOAD.
Current Source Low Dropout Voltage LED Driver
VIN V IN LT3080 IN C1 VCONTROL 10V D1 100mA LT3080 IN VCONTROL + 1µF – + OUT 1Ω IOUT 0A TO 1A – SET OUT 4.7µF 100k SET R1 R2 24.9k 2.49Ω 3080 TA03 3080 TA05
Using a Lower Value SET Resistor
VIN IN LT3080 12V VCONTROL + – C1 OUT VOUT 1µF 0.5V TO 10V SET V R1 R2 OUT = 0.5V + 1mA • RSET 49.9k 1mA C 499Ω OUT 4.7µF 1% 1% RSET 10k 3080 TA06 3080fc 17 Document Outline Features Applications Description 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