Datasheet LT1970 (Analog Devices) - 20
| Fabricante | Analog Devices |
| Descripción | 500mA Power Op Amp with Adjustable Precision Current Limit |
| Páginas / Página | 26 / 20 — applicaTions inForMaTion. Figure 12. Dual Tracking Bench Power Supply |
| Formato / tamaño de archivo | PDF / 402 Kb |
| Idioma del documento | Inglés |
applicaTions inForMaTion. Figure 12. Dual Tracking Bench Power Supply
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LT1970
applicaTions inForMaTion
R6 18.2k 15V + R7 R8 3k 3k 0.1 10µF +OUT THERMAL VCSRC CURRENT FAULT R5 VCSNK LIMIT 13k EN –IN VCC V+ISRCISNK RS1 TSD 1Ω +OUT LT1970 OUT 0V TO 12V SENSE+ + C2 4mA TO 150mA SENSE– 10µF FILTER +IN V– VEE 18V COMMON R9 R1 10k 6.19k 5V C1 1% REF –15V 1µF V R3 OUT ADJUST 23.2k R2 10k R4 LT1634-5 + 15V 10k OPTIONAL SYMMETRY CURRENT – R11 1/2 LT1881 ADJUST LIMIT 10k 100Ω ADJUST – 1/2 LT1881 R12 + 10k GROUND R13 –15V 25.5k 15V R15 3k R10 TO TSD PIN 10k OF +OUT 1% –OUT VCSRC CURRENT R14 VCSNK LIMIT 10.7k EN –IN VCC V+ISRCISNK RS2 1Ω –OUT TSD LT1970 OUT 0V TO –12V SENSE+ C3 4mA TO 150mA SENSE– + 10µF FILTER +IN V– VEE 1970 F12 COMMON 10µF 0.1µF + –15V
Figure 12. Dual Tracking Bench Power Supply
1970fe 20 For more information www.linear.com/LT1970 Document Outline Description Typical Application Absolute Maximum Ratings Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Applications Information Package Description Related Parts
applicaTions inForMaTion
R6 18.2k 15V + R7 R8 3k 3k 0.1 10µF +OUT THERMAL VCSRC CURRENT FAULT R5 VCSNK LIMIT 13k EN –IN VCC V+ISRCISNK RS1 TSD 1Ω +OUT LT1970 OUT 0V TO 12V SENSE+ + C2 4mA TO 150mA SENSE– 10µF FILTER +IN V– VEE 18V COMMON R9 R1 10k 6.19k 5V C1 1% REF –15V 1µF V R3 OUT ADJUST 23.2k R2 10k R4 LT1634-5 + 15V 10k OPTIONAL SYMMETRY CURRENT – R11 1/2 LT1881 ADJUST LIMIT 10k 100Ω ADJUST – 1/2 LT1881 R12 + 10k GROUND R13 –15V 25.5k 15V R15 3k R10 TO TSD PIN 10k OF +OUT 1% –OUT VCSRC CURRENT R14 VCSNK LIMIT 10.7k EN –IN VCC V+ISRCISNK RS2 1Ω –OUT TSD LT1970 OUT 0V TO –12V SENSE+ C3 4mA TO 150mA SENSE– + 10µF FILTER +IN V– VEE 1970 F12 COMMON 10µF 0.1µF + –15V
Figure 12. Dual Tracking Bench Power Supply
1970fe 20 For more information www.linear.com/LT1970 Document Outline Description Typical Application Absolute Maximum Ratings Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Applications Information Package Description Related Parts