Linear Technology DC2641A Скачать руководство пользователя страница 3

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dc2641af

DEMO MANUAL DC2641A

QUICK START PROCEDURE

Figure 1. Proper Measurement Equipment Setup

I

IN

I

OUT

+

V

IN SUPPLY

+

+

+

LOAD

DC2641A F01

+

V

OUT

GND

C

OUT

Figure 2. Measuring Input or Output Ripple Across Terminals or Directly Across Ceramic Capacitor

Содержание DC2641A

Страница 1: ...rst Mode PolyPhase and the Linear logo are registered trademarks of Analog Devices Inc All other trademarks are the property of their respective owners PERFORMANCE SUMMARY clamp or default Burst Mode...

Страница 2: ...cross relevant capacitor See Figure 2 for proper scope probe technique 1 Place jumpers in the following positions JP1 ON JP4 FCM JP5 ON JP8 OFF 2 With power off connect the input power supply to VIN a...

Страница 3: ...DC2641A QUICK START PROCEDURE Figure 1 Proper Measurement Equipment Setup IIN IOUT VIN SUPPLY LOAD DC2641A F01 VOUT GND COUT Figure 2 Measuring Input or Output Ripple Across Terminals or Directly Acr...

Страница 4: ...nables boost refresh allowing for 99 duty cycle operation in dropout OPTIONAL INDUCTOR DCR CURRENT SENSING Demonstration circuit 2641A provides an optional circuit for Inductor DCR Current Sensing Ind...

Страница 5: ...on board BIAS supply output voltage is 12V Alternatively EXTVCC can also be powered by an external power supply 1 Leave the JP7 OPEN 2 Keep the JP8 at the OFF position 3 Apply a DC voltage 14V between...

Страница 6: ...1af DEMO MANUAL DC2641A EXTVCC BIAS SUPPLY Figure 4 DC2641A VOUT 0 2 5A Load Transient at VIN 48V Figure 5 Thermal Image VIN 48V VO 12V at 10A No Air Flow TA 25 C 20MHz BW 100mV DIV DC2641 F04 50 s DI...

Страница 7: ...MSS1048T Series AEC Q200 COILCRAFT MSS1048T 474KLB 16 2 Q2 Q3 XSTR PWR MOSFET N CH 120V 44A PG TDSON 8 SuperSO8 INFINEON BSC190N12NS3 G 17 1 Q4 XSTR PWR MOSFET N CH 120V 98A PG TDSON 8 SuperSO8 INFIN...

Страница 8: ...10 0 R1 OPT RES OPTION 0805 OPTION 11 8 R2 R8 R22 R24 R27 R28 R29 R35 RES 0 1 10W 0603 VISHAY CRCW06030000Z0EA 12 0 R7 R11 R19 R20 R21 R37 R38 R39 R40 OPT RES OPTION 0603 OPTION 13 0 R33 OPT RES OPTIO...

Страница 9: ...Fax 408 434 0507 Milpitas CA 95035 Phone 408 432 1900 1630 McCarthy Blvd LTC Confidential For Customer Use Only CUSTOMER NOTICE LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A CIRCUIT THAT MEETS...

Страница 10: ...OR ANY PARTICULAR PURPOSE EXCEPT TO THE EXTENT OF THIS INDEMNITY NEITHER PARTY SHALL BE LIABLE TO THE OTHER FOR ANY INDIRECT SPECIAL INCIDENTAL OR CONSEQUENTIAL DAMAGES The user assumes all responsibi...

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