MP2101DQ MPS [Monolithic Power Systems], MP2101DQ Datasheet

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MP2101DQ

Manufacturer Part Number
MP2101DQ
Description
1.6MHz, 800mA Synchronous Step-Down Converter plus 200mA LDO
Manufacturer
MPS [Monolithic Power Systems]
Datasheet
1.MP2101DQ.pdf (5 pages)

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Price
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The Future of Analog IC Technology
DESCRIPTION
The EV2101DQ-00A is the evaluation board for
the MP2101 step-down converter. It is designed
for high efficiency, step-down applications.
The MP2101 is a 1.6MHz current mode
synchronous buck converter plus LDO, which
provides two regulated output rails. Both control
loops are internally compensated, and all power
devices
synchronous buck providing up to 92% efficiency
and 800mA output current from a 2.5V to 6V
input voltage. Channel 2 is an LDO that can
supply up to 200mA of load current from either
the power input or the output of channel 1 to
minimize the overall power loss and output
noises.
The MP2101 is available in a space-saving
3mm x 3mm QFN10 package with an exposed
pad.
ELECTRICAL SPECIFICATIONS
EV2101DQ-00A EVALUATION BOARD
EV2101DQ-00A Rev. 1.1
8/18/2006
Parameter
Input Voltage Range
Output Voltage
Load Max
EV2101DQ-00A
Board Number
are
(L x W x H) 2.3” x 2.0” x 0.4”
(5.8cm x 5.1cm x 1.0cm)
integrated.
Symbol
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
V
V
I
I
OUT1
OUT2
V
OUT1
OUT2
IN
MPS IC Number
Channel
MP2101DQ
2.5 – 6.0
Value
800
200
1.8
1.2
1
© 2006 MPS. All Rights Reserved.
www.MonolithicPower.com
Units
is
TM
TM
mA
mA
V
V
V
a
Step-Down Converter plus 200mA LDO
FEATURES
•
•
•
•
•
•
•
APPLICATIONS
•
•
•
•
•
“MPS” and “The Future of Analog IC Technology” are Trademarks of Monolithic
Power Systems, Inc.
0.8A and 0.2A Outputs
2.5V to 6V Operating Input Range
Independently Adjustable Outputs from 0.6V
to V
Independently External Enable Control
PWROK Pin Monitors Output Regulation
±3%
Temperature
Small Solution Size
DVD+/-RW drive
Smart phones
PDAs
Digital Cameras
Portable Instruments
IN
1.6MHz, 800mA Synchronous
100
Output
95
90
85
80
75
70
65
60
55
50
45
40
35
10
Efficiency vs
Load Current
V
EV2101DQ-00A
IN
=3.3V
LOAD CURRENT (mA)
Voltage
V
IN
EVALUATION BOARD
=5.0V
100
V
IN
=4.2V
Reference
1000
Over
1

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MP2101DQ Summary of contents

Page 1

... OUT1 Load Max I OUT2 EV2101DQ-00A EVALUATION BOARD ( 2.3” x 2.0” x 0.4” (5.8cm x 5.1cm x 1.0cm) Board Number MPS IC Number EV2101DQ-00A MP2101DQ EV2101DQ-00A Rev. 1.1 8/18/2006 MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited. TM Step-Down Converter plus 200mA LDO TM FEATURES • 0.8A and 0.2A Outputs • ...

Page 2

... MPS. All Rights Reserved. EVALUATION BOARD VIN JP3 9 EN2 8 PWROK VOUT2 1.2V/200mA 7 10 GND TDK C3216X7R1C475K TDK C3225X5R1A106M TDK C3216X7R1C105K TDK C3216X7R1C225K Sullins PTC03SAAN TOKO A914BYW-2R2M Sumida CR32-2R2MC Yageo 9C06031A3003FKHFT Panasonic ERJ-3EKF1503V Panasonic ERJ-3EKF6042V Panasonic ERJ-3GEYJ104V MPS MP2101DQ 2 ...

Page 3

EV2101DQ-00A – 1.6MHz, 800mA SYNCHRONOUS STEP-DOWN PLUS 200mA LDO TYPICAL PERFORMANCE CHARACTERISTICS Enable Turn 3.6V, V IN1 IN2 OUT1 V = 1.2V, EN1 = EN2 = 3.6V OUT2 I = 0.3A, I LOAD1 LOAD2 with ...

Page 4

EV2101DQ-00A – 1.6MHz, 800mA SYNCHRONOUS STEP-DOWN PLUS 200mA LDO PRINTED CIRCUIT BOARD LAYOUT Figure 1—Top Silk Layer EV2101DQ-00A Rev. 1.1 8/18/2006 MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited. Figure 2—Top Layer Figure 3—Bottom Layer www.MonolithicPower.com © 2006 MPS. All ...

Page 5

EV2101DQ-00A – 1.6MHz, 800mA SYNCHRONOUS STEP-DOWN PLUS 200mA LDO QUICK START GUIDE The output voltages on this board are set to 1.8V and 1.2V. The board layout accommodates most commonly used inductors and output capacitors. 1. Attach the positive and ...

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