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Monolithic Power Systems
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MP2109DQ-00A Datasheet Preview

MP2109DQ-00A Datasheet

1.2MHz Synchronous Step-Down Converter Evaluation Board

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MP2109DQ-00A pdf
TM
The Future of Analog IC Technology TM
EV2109DQ-00A
Dual 800mA, 6V, 1.2MHz Synchronous
Step-Down Converter Evaluation Board
www.daDtasEheSetC4u.RcoImPTION
The EV2109DQ-00A is the evaluation board for
the MP2109. The MP2109 contains two
independent 1.2MHz constant frequency,
current mode, PWM step-down converters.
Each converter integrates a main switch and a
synchronous rectifier for high efficiency without
an external Schottky diode. The MP2109 is
ideal for powering portable equipment that runs
from a single cell Lithium-Ion (Li+) battery. Each
converter can supply 800mA of load current
from a 2.5V to 6V input voltage. The output
voltage can be regulated as low as 0.6V. It can
also run at 100% duty cycle for low dropout
applications.
ELECTRICAL SPECIFICATIONS
Parameter
Input Voltage
Output Voltage 1
Output Voltage 2
Load Max
Symbol
VIN1/IN2
VOUT1
VOUT2
IOUT1/OUT2
Value
2.5 to 6
1.8
1.2
800
Units
V
V
V
mA
FEATURES
Up to 95% Efficiency
800mA Load Current on Each Channel
2.5V to 6V Input Voltage Range
Output Voltage as Low as 0.6V
APPLICATIONS
Cellular and Smart Phones
Microprocessors and DSP Core Supplies
PDAs
MP3 Players
Digital Still and Video Cameras
Portable Instruments
“MPS” and “The Future of Analog IC Technology” are Trademarks of Monolithic
Power Systems, Inc.
EV2109DQ-00A EVALUATION BOARD
Efficiency vs
Load Current
100
VOUT=1.8V
90
80 VOUT=1.2V
70
(L x W x H) 2.0” x 1.6” x 0.4”
(5.0cm x 4.0cm x 1.0cm)
Board Number Package MPS IC Number
EV2109DQ-00A
QFN10
(3mm x 3mm)
MP2109DQ
60
50
0.0
0.2 0.4 0.6
LOAD CURRENT (A)
0.8
EV2109_EC01
EV2109DQ-00A Rev. 1.1
10/14/2005
www.MonolithicPower.com
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
© 2005 MPS. All Rights Reserved.
1



Monolithic Power Systems
Monolithic Power Systems

MP2109DQ-00A Datasheet Preview

MP2109DQ-00A Datasheet

1.2MHz Synchronous Step-Down Converter Evaluation Board

No Preview Available !

MP2109DQ-00A pdf
TM
EV2109DQ-00A – DUAL 800mA, 6V, 1.2MHz SYNCHRONOUS STEP-DOWN CONVERTER
EVALUATION BOARD
EVALUATION BOARD SCHEMATIC
EN1
www.datasheet4u.com
VIN
C5
NS
1 U1 10
EN1
2
FB1
SW1
9
GND
3
IN2
MP2109
8
IN1
4
GND
SW2
5
7
FB2
EN2
6
VOUT1
1.8V / 800mA
VOUT2
1.2V / 800mA
EN2
C6
NS
EV2109_S01
EV2109DQ-00A BILL OF MATERIALS
Qty Ref Value Description
2 C1, C2 10µF Ceramic Capacitor, 6.3V, X5R
2 C3, C4 22µF Ceramic Capacitor, 6.3V, X5R
2 C5, C6 NS Do Not Stuff
2 L1, L2 2.2µH Inductor, 1.2A
3
R1, R3,
R4
300k
Resistor, 1%
2 R2 150kResistor, 1%
2 R5, R6 100kResistor, 5%
1 U1
DC-DC Converter
Package
1206
1206
Manufacturer
Any
Any
Manufacturer P/N
SMD
0603
0603
0603
QFN10
(3mm x 3mm)
Sumida
Any
Any
Any
MPS
CDRH3D16-2R2
MP2109DQ
EV2109DQ-00A Rev. 1.1
10/14/2005
www.MonolithicPower.com
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
© 2005 MPS. All Rights Reserved.
2


Part Number MP2109DQ-00A
Description 1.2MHz Synchronous Step-Down Converter Evaluation Board
Maker Monolithic Power Systems
Total Page 4 Pages
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MP2109DQ-00A pdf
MP2109DQ-00A Datasheet PDF
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