LTM4676A_15 Datasheet, PDF (130/130 Pages) Linear Technology – Dual 13A or Single 26A Module Regulator with Digital Power System Management

LTM4676A
Typical Application
V_IN
5.75V TO 17V
+ _CINL
220µF
10k
×9
SMBus INTERFACE WITH
PMBus COMMAND SET
ON/OFF CONTROL, FAULT
MANAGEMENT, POWER
SEQUENCING
PWM CLOCK SYNCH.
TIME BASE SYNCH.
C_INH
22µF
×3
V_IN0
V_IN1
SV_IN
V_DD33
SCL
SDA
ALERT
RUN₀
RUN₁
GPIO₀
GPIO₁
SYNC
SHARE_CLK
WP
LTM4676A
• SLAVE ADDRESS = 1001111_R/W (0X4F)
• SWITCHING FREQUENCY: 350kHz
• NO GUI CONFIGURATION AND
NO PART SPECIFIC PROGRAMMING REQUIRED
IN MULTI-MODULE SYSTEMS, CONFIGURING
RAIL_ADDRESS IS RECOMMENDED
22.6k
1%
±50ppm/°C
V_OUT0
TSNS_0a
VVTIIVVII_OOSSSS^SOO_SSNNNN^NRR_NNSSSS^SBB_SS0000⁰⁰_000bbaa^{+–b+–+–+–}
V_ORB1
V_OUT1
TSNS_1a
TIIII_SSSSS_NNNNN_SSSSS_{11111bbaab+–+–}
V_OSNS1
SGND
6.34k
1%
±50ppm/°C
C_OUT0
100µF
×7
V_OUT0, 1.0V
ADJUSTABLE
UP TO 13A
LOAD₀
C_OUT1
100µF
×7
V_OUT1, 1.8V
ADJUSTABLE
UP TO 13A
LOAD₁
4676A F62
Figure 62. 13A, 1V and 13A, 1.8V Output DC/DC µModule Regulator with Serial Interface
Design Resources
SUBJECT
µModule Design and Manufacturing Resources
µModule Regulator Products Search
DESCRIPTION
Design:
• Selector Guides
• Demo Boards and Gerber Files
• Free Simulation Tools
Manufacturing:
• Quick Start Guide
• PCB Design, Assembly and Manufacturing Guidelines
• Package and Board Level Reliability
1. Sort table of products by parameters and download the result as a spread sheet.
2. Search using the Quick Power Search parametric table.
TechClip Videos
Digital Power System Management
Quick videos detailing how to bench test electrical and thermal performance of µModule products.
Linear Technology’s family of digital power supply management ICs are highly integrated solutions that
offer essential functions, including power supply monitoring, supervision, margining and sequencing,
and feature EEPROM for storing user configurations and fault logging.
Related Parts
PART NUMBER DESCRIPTION
LTM4620A
Dual 13A or Single 26A Step-Down µModule Regulator
LTM4630
Dual 18A or Single 36A Step-Down µModule Regulator
LTM4641
10A µModule Regulator with Advanced Input and Load
Protection
LTC3880/LTC3883 Dual and Single Output DC/DC Controllers with Power
System Management
LTC2977/LTC2974 8- and 4-Channel PMBus Power System Managers
Licensed under U.S. Patent 7000125 and other related patents worldwide.
COMMENTS
4.5V ≤ V_IN ≤ 16V, 0.6V ≤ V_OUT ≤ 5.3V, 15mm × 15mm × 4.41mm LGA
4.5V ≤ V_IN ≤ 15V, 0.6V ≤ V_OUT ≤ 1.8V, 16mm × 16mm × 4.41mm LGA
4.5V ≤ V_IN ≤ 38V, 0.6V ≤ V_OUT ≤ 6V, 15mm × 15mm × 5.01mm BGA
0.5% TUE 16-Bit ADC, Voltage/Current/Temperature Monitoring and
Supervision
0.25% TUE 16-Bit ADC, Voltage/Temperature Monitoring and Supervision
TUE is total unadjusted error.
4676af
130 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, C_FA_or 9_m5_o0_re3_i5_n-_fo7_r4_m1_a7_{tion www.linear.com/LTM4676A}
[phone] ^● FAX: [phone] ^● www.linear.com/LTM4676A
LT 0515 • PRINTED IN USA
 LINEAR TECHNOLOGY CORPORATION 2015