L17_diode - ESC102 Introduction to Electronics DC Power Supply A R Harish Dept of EE IIT Kanpur Sep 6 2010 Half wave Rectifier Vi V0 V0=VIN 0.7

Info iconThis preview shows pages 1–11. Sign up to view the full content.

View Full Document Right Arrow Icon
DC Power Supply ESC102 : Introduction to Electronics A R. Harish Dept. of EE, IIT Kanpur Sep 6, 2010
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
+ - V i + V 0 - V i Half wave Rectifier 0.7 V 1:1 Slope Voltage Transfer Characteristics V 0 =V IN - 0.7
Background image of page 2
V O V IN R 0.7V V 0 =V IN - 0.7
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
D V O V S C R L Diode is forward biased Diode is reverse biased V O R L C
Background image of page 4
Output has a ripple V M V L Ripple Voltage : r M L V V V = - 1.95 r V V = Average Output Voltage : ( ) 2 R O M V V avg V 2245 - 2 ) ( 0 r M V V avg V - 2245
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
V O R L C ( ) L t R C O M V t V e - = × What does ripple voltage depend on? V S D N 1 N 2 V O R L C C R V dt dV R V dt dV C L L 0 0 0 0 0 - = = +
Background image of page 6
1 (1 ) L t R C r M L M V V V V e - = - = × - V M V L t=t 1 t=0 1 L t R C L M V V e - = × Assuming that t 1 << R L C 1 1 {1 (1 )} M r M L L t V t V V R C R C 2245 × - - =
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
V M V L t=t 1 t=0 1 M M r L L V t V T V R C R C = 2245 T 1 t T 2245 M r L V V fR C 2245
Background image of page 8
Example V M V L 1.95 r V V = 3 6 11.923 2.385 50 10 100 10 M r L V V V fR C - 2245 = = × × × 5 L R C T = V S D N 1 N 2 V O 1K 100 μ F
Background image of page 9

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
S D N 1 N 2
Background image of page 10
Image of page 11
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 12/08/2010 for the course EE ESC102 taught by Professor A.r.harish during the Spring '10 term at IIT Kanpur.

Page1 / 22

L17_diode - ESC102 Introduction to Electronics DC Power Supply A R Harish Dept of EE IIT Kanpur Sep 6 2010 Half wave Rectifier Vi V0 V0=VIN 0.7

This preview shows document pages 1 - 11. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online