LTM4630-1
Dual 18A or Single 36A
Module Regulator with
0.8% DC and 3% Transient Accuracy
FEATURES DESCRIPTION
n
0.8% Maximum Total DC Output Error Over Line, The LTM 4630-1A/LTM4630-1B are dual 18A or single 36A
output step-down Module (micromodule) regulators with
Load and Temperature (LTM4630-1A)
n
0.8% (LTM4630-1A) and 1.5% (LTM4630-1B) total DC
3% Transient Output Error with Minimum Output
output error, respectively, with 3% transient output error.
Capacitance
n Included in the package are the switching controller, power
Dual 18A or Single 36A Output
n FETs, inductors, and all supporting components. External com-
4.5V to 15V Input, 0.6V to 1.8V Output Voltage Range
pensation allows for fast transient response to minimize output
n
Differential Remote Sense Amplifier
capacitance when powering FPGAs, ASICs, and processors.
n
Current Mode Control/Fast Transient Response
With synchronized multiphase parallel current sharing, four
n
Current Sharing Up to 144A
LTM4630-1 devices can deliver up to 144A. The LTM4630-1
n
16mm 16mm 5.01mm BGA Package
is offered in a 16mm 16mm 5.01 BGA package.
L, LT, LTC, LTM, Linear Technology, the Linear logo, Module, Burst Mode and PolyPhase
APPLICATIONS
are registered trademarks and LTpowerCAD is a trademark of Linear Technology Corporation.
All other trademarks are the property of their respective owners. Protected by U.S. Patents,
n
FPGA, ASIC, Processor Core Voltage Regulation
including 5481178, 5705919, 5929620, 6100678, 6144194, 6177787, 6304066 and 6580258.
n
Other patents pending.
Information, Communication Systems
TYPICAL APPLICATION
36A, 1.2V Output DC/DC Module Regulator 1.2V Output Efficiency, f = 500kHz
SW
INTV 95
CC
V = 5V
10k IN
4.7F
90
PGOOD
V = 12V
CLKOUT INTV EXTV PGOOD2 PGOOD1
V 85 IN
CC CC OUT
V
IN
V V 1.2V
IN OUT1
4.5V TO 15V
22F
36A
TEMP V
121k OUT2 220F
25V 80
4V
4
RUN1 DIFFP
5
RUN2 DIFFN 75
33pF
TRACK1 DIFFOUT
LTM4630-1
70
TRACK2 V
OUTS1
0.1F f
SET V
OUTS2
65
PHASMD
V 0 4 8 12 16 20 24 28 32 36
FB1
COMP1
OUTPUT CURRENT (A)
V 60.4k
FB2
3.75k
COMP2
46301 TA01b
121k
2200pF
SGND GND MODE_PLLIN
46301 TA01a
25% Load Step Transient Response, 3% Output Regulation Window. 12V , 1.2V , 36A with 5x 220F Ceramic Cap
IN OUT
V
OUT
20mV/DIV
65mV
AC-COUPLED
LOAD STEP
9A STEP
4A/DIV
*SEE DEMO CIRCUIT
DC2081A-B
46301 TA01c
50s/DIV
46301fa
1
For more information www.linear.com/LTM4630-1
EFFICIENCY (%)LTM4630-1
ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION
(Note 1)
TOP VIEW
V ..............................................................0.3V to 16V
IN
TEMP EXTV
CC
V , V ....................................................1V to 16V
SW1 SW2
M
PGOOD1, PGOOD2, RUN1, RUN2,
L
V
IN
INTV , EXTV .......................................... 0.3V to 6V
CC CC
K
MODE_PLLIN, f , TRACK1, TRACK2,
SET
J
DIFFOUT, PHASMD ............................... 0.3V to INTV
CC
INTV
H
CC
CLKOUT
SW2
SW1
V , V , V , V (Note 6) ........ 0.3V to 6V
OUT1 OUT2 OUTS1 OUTS2
G PGOOD1
PGOOD2
PHASMD RUN1 SGND
DIFFP, DIFFN ......................................... 0.3V to INTV
CC RUN2
F
MODE_PLLIN
DIFFOUT
GND COMP1 COMP2
INTV Peak Output Current ................................100mA
CC DIFFP
E
DIFFN
TRACK1
V
SGND FB2 TRACK2 GND
Internal Operating Temperature Range
V
FB1
D
V
f
SET SGND OUTS2
(Note 2) ............................................. 40C to 125C
C
V
OUTS1
Storage Temperature Range .................. 55C to 125C
B
V
V
OUT1 GND OUT2
Peak Package Body Temperature .......................... 245C
A
1 2 3 4 5 6 7 8 9 10 11 12
BGA PACKAGE
144-LEAD (16mm 16mm 5.01mm)
T = 125C, = 7C/W, = 1.5C/W,
JMAX JA JCbottom
= 3.7C/W, + 7C/W
JCtop JB JBA
VALUES DEFINED PER JESD 51-12
WEIGHT = 3.5g
ORDER INFORMATION
PART MARKING*
PACKAGE MSL TOTAL DC TEMPERATURE
PART NUMBER PAD OR BALL FINISH DEVICE FINISH CODE TYPE RATING ACCURACY RANGE (Note 2)
LTM4630EY-1A#PBF SAC305 (RoHS) LTM4630Y-1 e4 BGA 3 0.8% 40C to 125C
LTM4630IY-1A#PBF SAC305 (RoHS) LTM4630Y-1 e4 BGA 3 0.8% 40C to 125C
LTM4630EY-1B#PBF SAC305 (RoHS) LTM4630Y-1 e4 BGA 3 1.5% 40C to 125C
LTM4630IY-1B#PBF SAC305 (RoHS) LTM4630Y-1 e4 BGA 3 1.5% 40C to 125C
Consult Marketing for parts specified with wider operating temperature Recommended LGA and BGA PCB Assembly and Manufacturing
Procedures:
ranges. *Device temperature grade is indicated by a label on the shipping
www.linear.com/umodule/pcbassembly
container. Pad or ball finish code is per IPC/JEDEC J-STD-609.
LGA and BGA Package and Tray Drawings:
Terminal Finish Part Marking:
www.linear.com/packaging
www.linear.com/leadfree
46301fa
2
For more information www.linear.com/LTM4630-1