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dc1084a-af

DEMO MANUAL DC1084A-A

 DESCRIPTION

LTM4602 

20V, 6A Step-Down 

µModule Regulator

Demonstration circuit DC1084A-A features the LTM

®

4602, 

the high efficiency, high density step-down μModule

®

 

regulator. The input voltage range is from 5V to 20V. The 
output voltage is jumper programmable from 0.6V to 5V, 
refer to the step-down ratio curve in the LTM4602 data 
sheet. The rated load current is 6A, while derating is 
necessary for certain V

IN

, V

OUT

 and thermal conditions. 

L

, LT, LTC, LTM, μModule, Linear Technology and the Linear logo are registered trademarks of 

Linear Technology Corporation. All other trademarks are the property of their respective owners.

BOARD PHOTO

The LTM4602 data sheet must be read in conjunction with 
this demo manual prior to working on or modifying demo 
circuit DC1084A-A. 

Design files for this circuit board are available at 
http://www.linear.com/demo

PERFORMANCE SUMMARY

(T

A

 = 25°C)

PARAMETER

CONDITION

VALUE

Input Voltage Range

4.5V to 20V

Output Voltage V

OUT

Jumper Selectable (Open for 0.6V)

1.2V, 1.5V, 1.8V, 2.5V, 3.3V, 5V

Maximum Continuous Output Current

Derating is Necessary for Certain V

IN

, V

OUT

 and 

Thermal Conditions

6A DC

Default Operating Frequency

800kHz

Содержание DC1084A-A

Страница 1: ...inear Technology and the Linear logo are registered trademarks of Linear Technology Corporation All other trademarks are the property of their respective owners BOARD PHOTO The LTM4602 data sheet must be read in conjunction with this demo manual prior to working on or modifying demo circuit DC1084A A Design files for this circuit board are available at http www linear com demo PERFORMANCE SUMMARY ...

Страница 2: ...supply and meters as shown in Figure 1 The optional 5V bias supply must be off anytime the supply to VIN is turned off 3 Turn on the power at the input The output voltage should be 1 5V 2 4 Once the proper output voltage is established adjust the load within the operating range and observe the output voltage regulation ripple voltage efficiency and other parameters Output ripple should be measured...

Страница 3: ... 2 Measured Supply Efficiency with Different VIN and VOUT FADJ Open 1 2VOUT to 2 5VOUT FADJ 15kΩ 3 3VOUT to 5VOUT Figure 3 Measured Load Transient Response 0A 5A Step VIN 12V VOUT 1 5V 0A to 5A LOAD STEP FCB 0V COUT 1 22μF CERAMIC 1206 1 100μF CERAMIC 1812 C3 100pF ...

Страница 4: ...OPTION TDK C4532X5R0J107MZ OPTION 3 0 C6 CAP 1812 OPTION TAIYO YUDEN JMK432BJ107MU T OPTION 4 0 C11 C14 C18 C19 CAP 0603 OPTION OPTION 5 1 C13 CAP 0603 100pF 10 50V NPO AVX 06035A101KAT 6 2 C15 C16 CAP 0603 1μF 20 10V X5R TAIYO YUDEN LMK107BJ105MA T 7 0 C17 CAP 0805 1μF 20 16V X5R OPTION TAIYO YUDEN EMK212BJ105MG T OPTION 8 1 D1 DIODE ZENER 4 7V DIODES INC BZX84C4V7 9 1 Q14 XSTR SUD50N03 10CP MOSF...

Страница 5: ... Corporation is believed to be accurate and reliable However no responsibility is assumed for its use Linear Technology Corporation makes no representa tion that the interconnection of its circuits as described herein will not infringe on existing patent rights SCHEMATIC DIAGRAM ...

Страница 6: ...CLUDING 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 INCIDENTAL OR CONSEQUENTIAL DAMAGES The user assumes all responsibility and liability for proper and safe handling of the goods Further the user releases LTC from all claims arising from the handling or use of the g...

Страница 7: ... EVALZ ADP1716 2 5 EVALZ ADP1740 1 5 EVALZ ADP1752 1 5 EVALZ ADP1828LC EVALZ ADP1870 0 3 EVALZ ADP1871 0 6 EVALZ ADP1873 0 6 EVALZ ADP1874 0 3 EVALZ ADP1882 1 0 EVALZ ADP199CB EVALZ ADP2102 1 25 EVALZ ADP2102 1 875EVALZ ADP2102 1 8 EVALZ ADP2102 2 EVALZ ADP2102 3 EVALZ ADP2102 4 EVALZ ADP2106 1 8 EVALZ ADP2147CB 110EVALZ AS3606 DB BQ24010EVM BQ24075TEVM BQ24155EVM BQ24157EVM 697 BQ24160EVM 742 BQ2...

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