Evaluation Board DC1083A-B for LTM4603HV Step-Down μModule Regulator
DC1083A-B features the LTM4603HV, a 6A step-down μModule regulator. It supports 4.5V-28V input and 0.6V-5V jumper-selectable output with frequency synchronization and margining.
Overview
The DC1083A-B demonstration circuit is designed to evaluate the LTM4603HV, a high-efficiency, high-density step-down μModule regulator. The board operates from an input voltage range of 4.5V to 28V and delivers up to 6A of continuous output current. Output voltages are jumper-selectable for 1.2V, 1.5V, 1.8V, 2.5V, 3.3V, and 5V. The design supports synchronization to an external clock via the PLLIN pin (700kHz to 1.3MHz) and features programmable output ramp-up and ramp-down through the TRACK/SS pin. Additionally, the manual provides instructions for margining tests to stress systems by varying supply voltages by +/-5%. The document includes detailed performance summaries, efficiency curves, a complete bill of materials, and schematic diagrams.
Use Cases
- High-density power supply prototyping
- Evaluation of LTM4603HV efficiency and thermal performance
- Testing programmable output tracking and sequencing
- Industrial and telecom point-of-load power systems
- System stress testing using supply voltage margining
Topics
Referenced Parts
CR16-100JM
AAC
RES, CHIP 10 0.1W 5%
CR16-1332FM
AAC
RES, CHIP 13.3k 0.1W 1%
CR16-3012FM
AAC
RES, CHIP 30.1k 0.06W 1%
112404
Connex
BNC CONNECTOR
LRF1206-01-R010-F
IRC
RES, LRC 0.010 0.25W 1%
575-4
Keystone
CONNECTOR, BANANA JACK
8833
Keystone
STAND-OFF, NYLON, 0.50" Tall
LTM4603HVEV
Linear Technology
IC, VOLTAGE REGULATOR
2308-2
Mill-Max
TURRET, TESTPOINT
SUD50N03-10
Siliconix
MOSFET, N-CHANNEL 30V
35ME150WXV
Suncon
CAP, ALUM 150μF 35V 10%
LMK107BJ105KA
Taiyo Yuden
CAP, X5R 1μF 10V 10%
LMK107BJ105KA
Taiyo Yuden
6 2 C1, C2 CAP, X5R 1μF 10V 10% TAIYO YUDEN LMK107BJ105KA
5.1V
ON Semiconductor
8 1 D1 ZENER DIODE, 5.1V ON SEMICONDUCTOR MMBZ5231B
| 0603YC104MAT2A | AVX | CAP, X7R 0.1μF 16V 20% |
| 2SN-BK-G | Samtec | SHUNT, 2mm CTRS |
| TMM-102-02-L-S | Samtec | JUMPER, 2 PINS 2mm CTRS |
| TMM-103-02-L-S | Samtec | HEADERS, 3 PINS 2mm CTRS |
| GMK316BJ106ML-T | Taiyo Yuden | CAP, X7R 10μF 35V 20% |
| JMK432BJ107MU-T | Taiyo Yuden | CAP, X5R 100μF 6.3V 20% |
| LMK316BJ106KL-T | Taiyo Yuden | CAP, X5R 10μF 10V 10% |
| 0603YC104MAT2A | AVX | 5 1 CSS CAP, X7R 0.1μF 16V 20% AVX 0603YC104MAT2A |
| 2SN-BK-G | Samtec | 6 4 XJP2, XJP7, XJP8, XJP9 SHUNT, 2mm CTRS SAMTEC 2SN-BK-G |
| TMM-102-02-L-S | Samtec | 2 6 JP1 TO JP6 JUMPER, 2 PINS 2mm CTRS SAMTEC TMM-102-02-L-S |
| TMM-103-02-L-S | Samtec | 3 3 JP7, JP8, JP9 HEADERS, 3 PINS 2mm CTRS SAMTEC TMM-103-02-L-S |
| GMK316BJ106ML-T | Taiyo Yuden | 1 2 CIN2, CIN3 CAP, X7R 10μF 35V 20% TAIYO YUDEN GMK316BJ106ML-T |
| JMK432BJ107MU-T | Taiyo Yuden | 2 1 COUT1 CAP, X5R 100μF 6.3V 20% TAIYO YUDEN JMK432BJ107MU-T |
| LMK316BJ106KL-T | Taiyo Yuden | 3 1 COUT4 CAP, X5R 10μF 10V 10% TAIYO YUDEN LMK316BJ106KL-T |
| CJ06-000M | AAC | RES, CHIP 0Ω 1/16W 1A |
| CR16-103JM | AAC | RES, CHIP 10k 0.1W 5% |
| CR16-1912FM | AAC | RES, CHIP 19.1k 0.1W 1% |
| CR16-3923FM | AAC | RES, CHIP 392k 0.1W 1% |
| CR16-4022FM | AAC | RES, CHIP 40.2k 0.1W 1% |
| CR16-513JM | AAC | RES, CHIP 51k 0.1W 5% |
| CR16-6042FM | AAC | RES, CHIP 60.4k 0.1W 1% |
| CR16-8251FM | AAC | RES, CHIP 8.25k 0.1W 1% |
| 06035A470KAT1A | AVX | CAP, NPO 47pF 50V 10% |
| MMBZ5231B | Onsemi | ZENER DIODE, 5.1V |
| 06035A470KAT1A | AVX | 4 1 C5 CAP, NPO 47pF 50V 10% AVX 06035A470KAT1A |
| MMBZ5231B | Onsemi | 8 1 D1 ZENER DIODE, 5.1V ON SEMICONDUCTOR MMBZ5231B |
| CR16-100JM | AAC | RES, CHIP 10 0.1W 5% |
| CR16-1332FM | AAC | RES, CHIP 13.3k 0.1W 1% |
| CR16-3012FM | AAC | RES, CHIP 30.1k 0.06W 1% |
| 112404 | Connex | BNC CONNECTOR |
| LRF1206-01-R010-F | IRC | RES, LRC 0.010 0.25W 1% |
| 575-4 | Keystone | CONNECTOR, BANANA JACK |
| 8833 | Keystone | STAND-OFF, NYLON, 0.50" Tall |
| LTM4603HVEV | Linear Technology | IC, VOLTAGE REGULATOR |
| 2308-2 | Mill-Max | TURRET, TESTPOINT |
| SUD50N03-10 | Siliconix | MOSFET, N-CHANNEL 30V |
| 35ME150WXV | Suncon | CAP, ALUM 150μF 35V 10% |
| LMK107BJ105KA | Taiyo Yuden | CAP, X5R 1μF 10V 10% |
| LMK107BJ105KA | Taiyo Yuden | 6 2 C1, C2 CAP, X5R 1μF 10V 10% TAIYO YUDEN LMK107BJ105KA |
| 5.1V | ON Semiconductor | 8 1 D1 ZENER DIODE, 5.1V ON SEMICONDUCTOR MMBZ5231B |