MP5410
Low Start-up Voltage Boost Converter
with Four SPDT Switches
The Future of Analog IC Technology
DESCRIPTION
The MP5410 is a high efficiency, current mode
step-up converter with four single-pole/double-
throw (SPDT) switches designed for low-power
bias supply application. The device can boost
dual-cell NiCd/NiMH or single-cell Li+ battery to
10V output voltage.
The MP5410 can start up from an input voltage
as low as 1.8V. It uses a current limited variable
frequency control algorithm to optimize
efficiency and minimize external component
size and cost. The internal low resistance N-
Channel MOSFET switch can withstand up to
10V allowing the MP5410 to produce high
output voltage with high efficiency.
In addition, the MP5410 can disconnect all
loads from input DC power supply. The
integrated schottky diode reduces external
parts to save critical board space.
The MP5410 features low shutdown current
allowing the part to draw less than 1µA off
current in shutdown mode. And it includes input
under voltage and over temperature protection.
The MP5410 is available in a small 16-pin QFN
3x3mm package.
FEATURES
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1.8V Low Voltage Start-Up
1.8V to 5.5V Input Range
Output Disconnection
Integrated Power MOS & Schottky Diode
Variable Frequency Control
<1µA Shutdown Current
Current Mode Control with Internal
Compensation
More than 80% Efficiency at Light Load
Conditions
Tiny External Components
Inrush Current Limiting and Internal Soft-
Start
Input UVLO
Over Temperature Protection
3x3mm QFN16 Package
Dual-cell and Three-cell NiCd/NiMH or
Single-cell Li Battery Consumer Products
3D Glass Driver
Small LCD Displays Bias Supply
Digital Still and Video Cameras
Handheld Computers and PDAs
Cell Phones
APPLICATIONS
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“MPS” and “The Future of Analog IC Technology” are Registered Trademarks of
Monolithic Power Systems, Inc.
TYPICAL APPLICATION
L1
C
OUT
L
IN
SW
OUT
FB
Efficiency
100
95
90
EFFICIENCY (%)
R2
R1
Battery
C
IN
85
80
75
70
65
60
55
50
1.6
2.6
3.6
V
IN
(V)
4.6
5.6
EN
S0
MP5410
ISET
Control
Signal
S1
S2
S3
A
B
C
D
GND
R
ISET
L+
L-
R+
R-
MP5410 Rev.1.01
3/28/2011
www.MonolithicPower.com
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2011 MPS. All Rights Reserved.
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