The Future of Analog Technology®
MPM3805/MPM3810
6V, 0.6A/1.2A Peak Step-Down Modules with Integrated Inductor
in 3mm x 2.5mm QFN12 Package
Why Monolithic Power Modules (MPM) Will Win?
Server/Networking
SSD
Discrete Solution
Automobile
ATM Machine,
Test &
Measurement
Remote Access,
Wireless/RF
Camera/Portable
MPS Solution
• Total Solution Size
3.81x5.97mm
• 3 Components Only
• Built-In Power
MOSFETs and Inductor
15x16mm
Total Solution Size
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Actual Module Size
3x2.5x0.9mm
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Key Features of MP Modules
• Simple To Use
– Adjustable output option only requires input/output caps and
Feedback Resistors
– Fixed output options (only require input/output caps)
• Small Size
– 2.5x3x0.9mm module size
– 3.81x5.97mm total solution size with ultra-low profile
• High Efficiency
• Low Iq
• Has PG
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MP Module Family Summary
Iout
(A)
Vin
(V)
Iq Current
(uA)
Light Load
efficiency
PG
SS
Protection
Features
OCP/SCP
UVLO/OTP
MPM3805
0.6
2.5-6
17
√
√
Int.
√
3 x 2.5x0.9mm
QFN12
3.81x5.97mm
MPM3805-1.2V
0.6
2.5-6
17
√
√
Int.
√
3 x 2.5x0.9mm
QFN12
3.81x5.97mm
MPM3805-1.8V
0.6
2.5-6
17
√
√
Int.
√
3 x 2.5x0.9mm
QFN12
3.81x5.97mm
MPM3810
1.2
2.5-6
17
√
√
Int.
√
3 x 2.5x0.9mm
QFN12
3.81x5.97mm
MPM3810-1.2V
1.2
2.5-6
17
√
√
Int.
√
3 x 2.5x0.9mm
QFN12
3.81x5.97mm
MPM3810-1.8V
1.2
2.5-6
17
√
√
Int.
√
3 x 2.5x0.9mm
QFN12
3.81x5.97mm
Part Number
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Pkg Size
(LxWxH)
Solution Size
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MPM3805/3810- 0.6A/1.2A, 6V, 17uA Step-down
Module with Integrated Inductor
FEATURES
Wide 2.5V to 6V Operating Input Range
Output Adjustable from 0.6V to 3.3V
Up to 600mA/1.2A Peak Output Current
Low IQ: 17uA
COT SYNC Buck with Integrated Inductor
Excellent Light Load Efficiency
Internal Soft Start
3.5MHz Switching Frequency
EN and Power Good for Power Sequencing
Cycle-by-Cycle Over Current Protection
Short Circuit Protect with Hiccup Mode
Fixed Output (1.2/1.8V) and Adjustable (optional)
3x2.5x0.9mm
QFN12
EFFICIENCY CURVE
95.0
Vo=2.1V
90.0
85.0
EFFICIENCY(%)
•
•
•
•
•
•
•
•
•
•
•
•
MPM
3805/10
Vo=1.8V
80.0
Vin=3.3V
75.0
70.0
65.0
60.0
0.01
0.1
1
OUTPUT CURRENT(A)
BENEFITS
•
•
•
•
Vin
Minimal external components – Easy to Use
COT control– Fast transient response
Low Iq – High light load efficiency, low standby power
Small solution – Ideal for compact designs
3mm
MPM3805/3810
1.
2.
3.
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Vout
Easy Circuit Setup
Ultra-small Solution Size
3.5MHz with virtually Zero Output Ripple
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High Integration
Traditional solution
MP Module solution
Highly integratedsave more place
Fewer components
needed-save cost
For 1.2V/1.8V fixed Vout version, only two cap needed
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MPM3805/MPM3810 Application Circuit
& Total Solution Size
PCB Area
Application Circuit
Top Layer
Customized PCB with
1x10uF/0603 Cout/Cin
R1/R2 is optional.
1.2V/1.8V fixed options available
Bottom
5.97mm
Layer
3.81mm
Top Layer
Top Layer
EVB
PCB area is 5.97mm x 3.81mm.
W/ 0402 component size, board size can be even smaller
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Efficiency
Vin=2.5/5/6V, Vo=1.8V
Efficiency is 85%(Vin=5V, Io=0.5A)
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Target Applications
•
•
•
•
•
•
•
•
•
Storage (SSD/HDD)
Test & Measurement
Multi-function Printers (MFP)
Media-Gateway/Routers
Server/Networking
Wireless/RF
Portable
LDO Replacement
Low Voltage I/O System Power
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Sales Tips/Strategy for MPM3805/10
• With MP Modules, power system design is simplified. Eliminate the
need to select inductors.
• With fixed outputs (1.2/1.8V fixed Vout ) options, only two caps are
needed to complete the design. Eliminate the need to select
feedback resistors.
• With small module size, system PCB size is further reduced
• MP3805/10 have integrated inductors, high efficiency, low Iq , low
noise, and PG. These target all general low voltage (2.5-6V), low
current (0.6-1.2A peak ) applications (see target application slide
for reference).
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The Future of Analog IC Technology®