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LTM4623IY#PBF

Description
DC DC CONVERTER 0.6-5.5V 3A
CategoryPower/power management   
File Size329KB,28 Pages
ManufacturerLinear ( ADI )
Websitehttp://www.analog.com/cn/index.html
Environmental Compliance
Download Datasheet Parametric Compare View All

LTM4623IY#PBF Overview

DC DC CONVERTER 0.6-5.5V 3A

LTM4623IY#PBF Parametric

Parameter NameAttribute value
typeNon-isolated PoL module
Number of outputs1
Voltage - Input (minimum)4V
Voltage - input (maximum)20V
Voltage - Output 10.6 ~ 5.5 V
Voltage - Output 2-
Voltage - Output 3-
Current - Output (maximum)3A
applicationITE (Business)
characteristicOCP,OTP,OVP,UVLO
Operating temperature-40°C ~ 125°C
efficiency-
Installation typesurface mount
Package/casing25-PowerBBGA module
size/dimensions0.25" long x 0.25" wide x 0.07" high (6.3mm x 6.3mm x 1.8mm)
Supplier device packaging25-BGA(6.25x6.25)
LTM4623
Ultrathin 20V
IN
, 3A Step-Down
DC/DC µModule Regulator
FEATURES
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DESCRIPTION
The
LTM
®
4623
is a complete 3A step-down switching
mode µModule (micromodule) regulator in a tiny ultrathin
6.25mm
×
6.25mm
×
1.82mm LGA and 6.25mm
×
6.25mm
×
2.42mm BGA packages. Included in the package are the
switching controller, power FETs, inductor and support
components. Operating over an input voltage range of
4V to 20V or 2.375V to 20V with an external bias supply,
the LTM4623 supports an output voltage range of 0.6V to
5.5V, set by a single external resistor. Its high efficiency
design delivers 3A continuous output current. Only ceramic
input and output capacitors are needed.
The LTM4623 supports selectable discontinuous mode
operation and output voltage tracking for supply rail se-
quencing. Its high switching frequency and current mode
control enable a very fast transient response to line and
load changes without sacrificing stability.
Fault protection features include overvoltage, overcurrent
and overtemperature protection.
The LTM4623 is available with SnPb (BGA) or RoHS
compliant terminal finish.
All registered trademarks and trademarks are the property of their respective owners.
n
<2mm Height, Complete Solution in <1cm
2
(Single-Sided PCB) or 0.5cm
2
(Dual-Sided PCB)
Wide Input Voltage Range: 4V to 20V
Input Voltage Down to 2.375V with External Bias
0.6V to 5.5V Output Voltage
3A DC Output Current
±1.5% Maximum Total DC Output Voltage Error
Current Mode Control, Fast Transient Response
Low EMI EN55022 Class B Compliant
External Frequency Synchronization
Multiphase Operation with Current Sharing
Output Voltage Tracking
Selectable Discontinuous Mode
Power Good Indicator
Overvoltage, Overcurrent and Overtemperature Pro-
tection
Ultrathin (6.25mm
×
6.25mm
×
1.82mm) LGA Package
and (6.25mm
×
6.25mm
×
2.42mm) BGA Package
APPLICATIONS
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PCIe and Backside PCB Mounting
Telecom, Datacom, Networking and Industrial
Equipment
Data Storage Rack Units and Cards
TYPICAL APPLICATION
3A, 1.5V Output DC/DC µModule
®
Step-Down Regulator
V
OUT
1.5V
47µF 3A
6.3V
1.5V Output Efficiency vs Load Current
95
90
10µF
25V
EFFICIENCY (%)
V
IN
4V TO 20V
0.1µF
CLKIN
CLKOUT
V
IN
V
OUT
SV
IN
RUN
LTM4623
PGOOD
INTV
CC
MODE
COMP
FB
PHMODE
TRACK/SS
FREQ
GND SGND
4623 TA01a
85
80
75
70
40.2k
65
60
0
0.5
1
2
1.5
LOAD CURRENT (A)
V
IN
= 5V
V
IN
= 12V
2.5
3
4623 TA01b
Rev D
Document Feedback
For more information
www.analog.com
1

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LTM4623IY#PBF LTM4623EY#PBF LTM4623EV#PBF LTM4623IY LTM4623IV#PBF
Description DC DC CONVERTER 0.6-5.5V 3A DC DC CONVERTER 0.6-5.5V 3A DC DC CONVERTER 0.6-5.5V 17W DC DC CONVERTER 0.6-5.5V 3A DC DC CONVERTER 0.6-5.5V 17W
type Non-isolated PoL module - Non-isolated PoL module Non-isolated PoL module Non-isolated PoL module
Number of outputs 1 - 1 1 1
Voltage - Input (minimum) 4V - 4V 4V 4V
Voltage - input (maximum) 20V - 20V 20V 20V
Voltage - Output 1 0.6 ~ 5.5 V - 0.6 ~ 5.5 V 0.6 ~ 5.5 V 0.6 ~ 5.5 V
Current - Output (maximum) 3A - 3A 3A 3A
application ITE (Business) - ITE (Business) ITE (Business) ITE (Business)
characteristic OCP,OTP,OVP,UVLO - OCP,OTP,OVP,UVLO OCP,OTP,OVP,UVLO OCP,OTP,OVP,UVLO
Operating temperature -40°C ~ 125°C - -40°C ~ 125°C -40°C ~ 125°C -40°C ~ 125°C
Installation type surface mount - surface mount surface mount surface mount
Package/casing 25-PowerBBGA module - 25-PowerLGA module 25-PowerBBGA module 25-PowerLGA module
size/dimensions 0.25" long x 0.25" wide x 0.07" high (6.3mm x 6.3mm x 1.8mm) - 0.25" long x 0.25" wide x 0.07" high (6.3mm x 6.3mm x 1.8mm) 0.25" long x 0.25" wide x 0.07" high (6.3mm x 6.3mm x 1.8mm) 0.25" long x 0.25" wide x 0.07" high (6.3mm x 6.3mm x 1.8mm)
Supplier device packaging 25-BGA(6.25x6.25) - 25-LGA(6.25x6.25) 25-BGA(6.25x6.25) 25-LGA(6.25x6.25)
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