Analog DC823B-A Demo Manual: LTM4600 10A Step-Down μModule Regulator
Demonstration manual for the DC823B-A featuring the LTM4600EV, a 10A high-efficiency step-down power module with an input range of 4.5V to 20V and output from 0.6V to 5V.
Overview
The DC823B-A demonstration manual provides technical specifications and evaluation procedures for the LTM4600EV, a 10A high-density switch-mode step-down power μModule regulator. The circuit operates from an input voltage range of 4.5V to 20V and provides a programmable output voltage from 0.6V to 5V, selectable via jumpers for common values like 1.2V, 1.5V, 1.8V, 2.5V, 3.3V, and 5V. The LTM4600 integrates the controller, power switches, inductor, and support components, requiring only bulk input and output capacitors for operation. This document includes a performance summary, setup instructions for measurement, load transient testing procedures, efficiency curves, a detailed bill of materials, and a full schematic diagram.
Use Cases
- High-density power supply designs
- Telecom and networking equipment
- Industrial control systems
- Point-of-load voltage regulation
- Evaluating LTM4600 thermal and electrical performance
Topics
Referenced Parts
CR16-512JM
AAC
RES, 0603 5.1k 5% 1/10W AAC CR16-512JM
2802S-02G2
Comm Con
HEADER, 2-PIN, 2mm COMM CON 2802S-02G2
2802S-03G2
Comm Con
HEADER, 3-PIN, 2mm COMM CON 2802S-03G2
112404
Connex
CONN, BNC, 5 PINS CONNEX 112404
BZX84C4V7-7-F
Diodes Incorporated
DIODE, ZENER 4.7V DIODES INC. BZX84C4V7-7-F
LRF2512-01-R010-J
IRC
RES, 2512 0.01Ω 5% 1W IRC LRF2512-01-R010-J
LTM4600EV
Linear Technology
IC, LTM4600EV LINEAR TECHNOLOGY LTM4600EV
ERJ-3GEY512V
Panasonic
R6, R10, R12- ALTERNATE RES, 0603 10k 5% 1/10W PANASONIC ERJ-3GEY512V
35MV150WXV
Sanyo
CAP, 150μF 20% 35V ALUM SANYO 35MV150WXV
SUD50N03-10CP-E3
Siliconix
XSTR, SUD50N03-10CP MOSFET SILICONIX SUD50N03-10CP-E3
CRCW06036652F
Vishay
R2 - ALTERNATE RES, 0603 66.5k 1% 1/10W VISHAY CRCW06036652F
35ME150WXV
Suncon
now SUNCON 35ME150WXV
ERJ-3GEY512V
Panasonic
RES, 0603 10k 5% 1/10W PANASONIC ERJ-3GEY512V
4.7V
Diodes
7 1 D1 DIODE, ZENER 4.7V DIODES INC. BZX84C4V7-7-F
1/10W
Panasonic
R3 - ALTERNATE RES, 0603 31.6k 1% 1/10W PANASONIC ERJ-3EKF3162V
1/10W
Panasonic
RES, 0603 10k 5% 1/10W PANASONIC ERJ-3GEY512V
X5R
TDK
2 2 C5, C2 CAP, 1206 10μF 20% 25V X5R TDK C3216X5R1E106MT
X5R
TDK
3 2 C7, C8 CAP, 1812 100μF 20% 6.3V X5R TDK C4532X5R0J107M
X5R
Taiyo Yuden
5 2 C15, C16 CAP, 0603 1μF 20% 10V X5R TAIYO YUDEN LMK107BJ105MA-T
X5R
Taiyo Yuden
4 1 C10 CAP, 1206 22μF 20% 6.3V X5R TAIYO YUDEN JMK316BJ226ML-T
1/10W
Vishay
R2 - ALTERNATE RES, 0603 66.5k 1% 1/10W VISHAY CRCW06036652F
1/10W
Vishay
13 3 R6, R10, R12 RES, 0603 10k 5% 1/10W VISHAY CRCW060310K0JNEA
| 575-4 | Keystone Electronics | JACK, BANANA KEYSTONE 575-4 |
| 8831 | Keystone Electronics | STANDOFF, SNAP ON KEYSTONE_8831 |
| 2501-2-00-80-00-00-07-0 | Mill-Max | TURRET MILL-MAX 2501-2-00-80-00-00-07-0 |
| ERJ-3EKF3162V | Panasonic | R3 - ALTERNATE RES, 0603 31.6k 1% 1/10W PANASONIC ERJ-3EKF3162V |
| 2SN-BK-G | Samtec | SHUNT SAMTEC 2SN-BK-G |
| C3216X5R1E106MT | TDK | CAP, 1206 10μF 20% 25V X5R TDK C3216X5R1E106MT |
| C4532X5R0J107M | TDK | CAP, 1812 100μF 20% 6.3V X5R TDK C4532X5R0J107M |
| EMK212BJ105MG-T | Taiyo Yuden | CAP, 0805 1μF 20% 16V X5R OPTION TAIYO YUDEN EMK212BJ105MG-T |
| EMK316BJ475ML-T | Taiyo Yuden | CAP, 1206 OPTION TAIYO YUDEN EMK316BJ475ML-T OPTION |
| JMK316BJ226ML-T | Taiyo Yuden | CAP, 1206 22μF 20% 6.3V X5R TAIYO YUDEN JMK316BJ226ML-T |
| JMK432BJ107MU-T | Taiyo Yuden | CAP, 1812 OPTION TAIYO YUDEN JMK432BJ107MU-T OPTION |
| LMK107BJ105MA-T | Taiyo Yuden | CAP, 0603 1μF 20% 10V X5R TAIYO YUDEN LMK107BJ105MA-T |
| CRCW06030000Z0EA | Vishay | RES, 0603 0Ω JUMPER VISHAY CRCW06030000Z0EA |
| CRCW060310K0JNEA | Vishay | RES, 0603 10k 5% 1/10W VISHAY CRCW060310K0JNEA |
| 2SN-BK-G | Samtec | 6 3 JP3, JP6, JP7 SHUNT SAMTEC 2SN-BK-G |
| C3216X5R1E106MT | TDK | 2 2 C5, C2 CAP, 1206 10μF 20% 25V X5R TDK C3216X5R1E106MT |
| C4532X5R0J107M | TDK | 3 2 C7, C8 CAP, 1812 100μF 20% 6.3V X5R TDK C4532X5R0J107M |
| EMK212BJ105MG-T | Taiyo Yuden | 6 0 C17 CAP, 0805 1μF 20% 16V X5R OPTION TAIYO YUDEN EMK212BJ105MG-T |
| EMK316BJ475ML-T | Taiyo Yuden | 1 0 C4, C3 CAP, 1206 OPTION TAIYO YUDEN EMK316BJ475ML-T OPTION |
| JMK316BJ226ML-T | Taiyo Yuden | 4 1 C10 CAP, 1206 22μF 20% 6.3V X5R TAIYO YUDEN JMK316BJ226ML-T |
| JMK432BJ107MU-T | Taiyo Yuden | 2 0 C8 CAP, 1812 OPTION TAIYO YUDEN JMK432BJ107MU-T OPTION |
| LMK107BJ105MA-T | Taiyo Yuden | 5 2 C15, C16 CAP, 0603 1μF 20% 10V X5R TAIYO YUDEN LMK107BJ105MA-T |
| CRCW06030000Z0EA | Vishay | 7 1 R8 RES, 0603 0Ω JUMPER VISHAY CRCW06030000Z0EA |
| CRCW060310K0JNEA | Vishay | 13 3 R6, R10, R12 RES, 0603 10k 5% 1/10W VISHAY CRCW060310K0JNEA |
| CR16-1003FM | AAC | RES, 0603 100k 1% 1/10W AAC CR16-1003FM |
| CR16-105JM | AAC | RES, 0603 1MΩ 5% 1/16W AAC CR16-105JM |
| CR16-1372FM | AAC | RES, 0603 13.7k 1% 1/10W AAC CR16-1372FM |
| CR16-2212FM | AAC | RES, 0603 22.1k 1% 1/10W AAC CR16-2212FM |
| CR16-3162FM | AAC | RES, 0603 31.6k 1% 1/10W AAC CR16-3162FM |
| CR16-4992FM | AAC | RES, 0603 49.9k 1% 1/10W AAC CR16-4992FM |
| CR16-6652FM | AAC | RES, 0603 66.5k 1% 1/10W AAC CR16-6652FM |
| 06035A101KAT | AVX | CAP, 0603 100pF 10% 50V NPO AVX 06035A101KAT |
| 06035C101KAT1A | AVX | CAP, 0603 100pF 10% 50V X7R AVX 06035C101KAT1A |
| 06035A101KAT | AVX | 4 1 C13 CAP, 0603 100pF 10% 50V NPO AVX 06035A101KAT |
| 06035C101KAT1A | AVX | 5 1 C12 CAP, 0603 100pF 10% 50V X7R AVX 06035C101KAT1A |
| X7R | AVX | 5 1 C12 CAP, 0603 100pF 10% 50V X7R AVX 06035C101KAT1A |
| CR16-512JM | AAC | RES, 0603 5.1k 5% 1/10W AAC CR16-512JM |
| 2802S-02G2 | Comm Con | HEADER, 2-PIN, 2mm COMM CON 2802S-02G2 |
| 2802S-03G2 | Comm Con | HEADER, 3-PIN, 2mm COMM CON 2802S-03G2 |
| 112404 | Connex | CONN, BNC, 5 PINS CONNEX 112404 |
| BZX84C4V7-7-F | Diodes Incorporated | DIODE, ZENER 4.7V DIODES INC. BZX84C4V7-7-F |
| LRF2512-01-R010-J | IRC | RES, 2512 0.01Ω 5% 1W IRC LRF2512-01-R010-J |
| LTM4600EV | Linear Technology | IC, LTM4600EV LINEAR TECHNOLOGY LTM4600EV |
| ERJ-3GEY512V | Panasonic | R6, R10, R12- ALTERNATE RES, 0603 10k 5% 1/10W PANASONIC ERJ-3GEY512V |
| 35MV150WXV | Sanyo | CAP, 150μF 20% 35V ALUM SANYO 35MV150WXV |
| SUD50N03-10CP-E3 | Siliconix | XSTR, SUD50N03-10CP MOSFET SILICONIX SUD50N03-10CP-E3 |
| CRCW06036652F | Vishay | R2 - ALTERNATE RES, 0603 66.5k 1% 1/10W VISHAY CRCW06036652F |
| 35ME150WXV | Suncon | now SUNCON 35ME150WXV |
| ERJ-3GEY512V | Panasonic | RES, 0603 10k 5% 1/10W PANASONIC ERJ-3GEY512V |
| 4.7V | Diodes | 7 1 D1 DIODE, ZENER 4.7V DIODES INC. BZX84C4V7-7-F |
| 1/10W | Panasonic | R3 - ALTERNATE RES, 0603 31.6k 1% 1/10W PANASONIC ERJ-3EKF3162V |
| 1/10W | Panasonic | RES, 0603 10k 5% 1/10W PANASONIC ERJ-3GEY512V |
| X5R | TDK | 2 2 C5, C2 CAP, 1206 10μF 20% 25V X5R TDK C3216X5R1E106MT |
| X5R | TDK | 3 2 C7, C8 CAP, 1812 100μF 20% 6.3V X5R TDK C4532X5R0J107M |
| X5R | Taiyo Yuden | 5 2 C15, C16 CAP, 0603 1μF 20% 10V X5R TAIYO YUDEN LMK107BJ105MA-T |
| X5R | Taiyo Yuden | 4 1 C10 CAP, 1206 22μF 20% 6.3V X5R TAIYO YUDEN JMK316BJ226ML-T |
| 1/10W | Vishay | R2 - ALTERNATE RES, 0603 66.5k 1% 1/10W VISHAY CRCW06036652F |
| 1/10W | Vishay | 13 3 R6, R10, R12 RES, 0603 10k 5% 1/10W VISHAY CRCW060310K0JNEA |