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dc2455aaf

DEMO MANUAL DC2455A-A

Quick start proceDure

X-AXIS (?)

DC2455AA F04

1V V

O

 (20MHz BW)

20mV/DIV

AC-COUPLED

50A TO 75A

LOAD

X-AXIS (?)

DC2455AA F05

V

OUT

 (20MHz BW)

5mV/DIV

Figure 4. Load Transient 50A to 75A  

(V

IN

 = 12V, V

OUT1

 = 1V, f

SW

 = 500kHz)

Figure 5. Output Voltage Ripple (V

IN

 = 12V, 

V

OUT1

 = 1V, I

OUT

 = 100A f

SW

 = 500kHz)

Figure 6. Thermal Performance at V

IN

 = 12V, V

OUT

 = 1V, I

OUT

 = 100A, T

A

 = 23.8°C, 200LFM Air Flow

Содержание LTM4650EY-1

Страница 1: ...ternalclocksignal Theboardallowstheusertoprogram how its output voltage ramps up and down through the L LT LTC LTM Linear Technology the Linear logo Module PolyPhase and TimerBlox are registered trade...

Страница 2: ...esignalbetween IOSTEPCLK and GND testpoint Pulseamplitude 3V 3 5V setstheloadstep current amplitude The output transient current can be monitoredattheBNCconnectorJ12 5mV A Thepulse signal should be ve...

Страница 3: ...tart Procedure 1m VOUT0 LOAD 0A 100A VIN 4 5V TO 16V Figure 2 Test Setup of DC2455A A Figure 3 Measured Efficiency VIN 12V fSW 500kHz LOAD CURRENT A 0 EFFICIENCY 100 95 75 90 85 80 70 40 20 60 DC2455A...

Страница 4: ...0mV DIV AC COUPLED 50A TO 75A LOAD X AXIS DC2455AA F05 VOUT 20MHz BW 5mV DIV Figure 4 Load Transient 50A to 75A VIN 12V VOUT1 1V fSW 500kHz Figure 5 Output Voltage Ripple VIN 12V VOUT1 1V IOUT 100A fS...

Страница 5: ...03 47nF 10 50V X7R AVX 06035C473KAZ2A 17 1 L1 IND 68 uH CDRH105 SUMIDA CDRH105RNP 680N 18 2 Q1 Q2 MOSFET N CH D S 40V TO252 VISHAY SUD50N04 8M8P 4GE3 19 4 R1 R3 R25 R29 RES 0603 10 5 1 10W VISHAY CRCW...

Страница 6: ...OPTION 7 13 R6 R19 R20 R27 R28 R32 R33 R35 R40 R45 R62 R63 R91 RES 0603 0 JUMPER VISHAY CRCW06030000Z0EA 8 4 R22 R23 R24 R26 RES 2010 0 JUMPER VISHAY CRCW20100000ZEA9 9 1 R60 RES 1206 0 JUMPER VISHAY...

Страница 7: ...CATIONS HOWEVER IT REMAINS THE CUSTOMER S RESPONSIBILITY TO VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL APPLICATION COMPONENT SUBSTITUTION AND PRINTED CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFF...

Страница 8: ...GY HAS MADE A BEST EFFORT TO DESIGN A CIRCUIT THAT MEETS CUSTOMER SUPPLIED SPECIFICATIONS HOWEVER IT REMAINS THE CUSTOMER S RESPONSIBILITY TO VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL APPLICA...

Страница 9: ...McCarthy Blvd LTC CONFIDENTIAL FOR CUSTOMER USE ONLY CUSTOMER NOTICE LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A CIRCUIT THAT MEETS CUSTOMER SUPPLIED SPECIFICATIONS HOWEVER IT REMAINS THE CU...

Страница 10: ...ENTIAL FOR CUSTOMER USE ONLY CUSTOMER NOTICE LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A CIRCUIT THAT MEETS CUSTOMER SUPPLIED SPECIFICATIONS HOWEVER IT REMAINS THE CUSTOMER S RESPONSIBILITY T...

Страница 11: ...ACTUAL APPLICATION COMPONENT SUBSTITUTION AND PRINTED CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT PERFORMANCE OR RELIABILITY CONTACT LINEAR TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANC...

Страница 12: ...TORY INCLUDING ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE EXCEPT TO THE EXTENT OF THIS INDEMNITY NEITHER PARTY SHALL BE LIABLE TO THE OTHER FOR ANY INDIRECT SPECIAL INCIDENT...

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