Linear Technology DC1947A Manual Download Page 4

4

dc1947afb

DEMO MANUAL DC1947A

QUICK START PROCEDURE

Output Voltage and Switch Node Voltage During Output Open

Output Current and Switch Node Voltage During Output Short

Figure 9. V

IN

 = 120VAC

Figure 10. V

IN

 = 230VAC

Figure 11. V

IN

 = 120VAC

Figure 12. V

IN

 = 230VAC

DC1947a F09

V

OUT

10V/DIV

V

SW

200V/DIV

200ms/DIV

DC1947a F10

V

OUT

10V/DIV

V

SW

200V/DIV

200ms/DIV

DC1947a F11

200ms/DIV

I

OUT

10A/DIV

IC V

IN

100V/DIV

V

SW

200V/DIV

DC1947a F12

I

OUT

10A/DIV

IC V

IN

100V/DIV

V

SW

200V/DIV

200ms/DIV

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Summary of Contents for DC1947A

Page 1: ...LT LTC LTM Linear Technology and the Linear logo are registered trademarks of Linear Technology Corporation All other trademarks are the property of their respective owners PERFORMANCE SUMMARY The LT...

Page 2: ...EPLACEMENT Demonstration circuit 1947A is easy to set up to evalu ate the performance of the LT3799 1 Refer to Figure 1 for proper measurement equipment setup and follow the procedure below 1 Connect...

Page 3: ...Y 60 110 130 150 170 190 210 230 250 270 DC1947a F02 80 100 50 70 90 VIN AC RMS 90 I LED A 110 130 150 170 190 210 230 250 270 DC1947a F03 1 0 1 4 0 6 0 8 1 2 VIN AC RMS 90 POWER FACTOR 0 92 110 130 1...

Page 4: ...Figure 10 VIN 230VAC Figure 11 VIN 120VAC Figure 12 VIN 230VAC DC1947a F09 VOUT 10V DIV VSW 200V DIV 200ms DIV DC1947a F10 VOUT 10V DIV VSW 200V DIV 200ms DIV DC1947a F11 200ms DIV IOUT 10A DIV IC VIN...

Page 5: ...9 1 L1 INDUCTOR 1mH TDK TSL1315RA 102JR78 PF 20 1 L2 CHOKE D Code Double Choke EPCOS B82731H2701A030 21 1 Q1 XSTR MOSFET N CHANNEL 650V INFINEON IPB60R165CP 22 2 R1 R2 RES CHIP 249k 1 1 4W 1206 VISHAY...

Page 6: ...mponents 1 0 R22 OPT RES CHIP 0805 Hardware For Demo Board Only 1 2 J1 J2 TERMINAL BLOCK 2 POSITION WEIDMULLER 1715250000 2 4 MH1 to MH4 STAND OFF NYLON 0 25 KEYSTONE 8831 SNAP ON Downloaded from Arro...

Page 7: ...NE ISOLATED FLYBACK LT3799EMSE 1 DC1947A LED CONTROLLER WITH ACTIVE PFC 6 7 12 5 9 6 7 2 7 7 2175 7 12 33529 6 3 6 1 TECHNOLOGY D 0LOSLWDV 3KRQH 0F DUWK OYG 7 RQILGHQWLDO RU XVWRPHU 8VH 2QO 86720 5 12...

Page 8: ...INDEMNITY NEITHER PARTY SHALL BE LIABLE TO THE OTHER FOR ANY INDIRECT SPECIAL INCIDENTAL OR CONSEQUENTIAL DAMAGES The user assumes all responsibility and liability for proper and safe handling of the...

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