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EV2364DF-01A 데이터시트 PDF




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부품번호 EV2364DF-01A 기능
기능 1.4MHz Dual Step-Down Converter Evaluation Board
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EV2364DF-01A 데이터시트, 핀배열, 회로
www.DataSheet4U.com
TM
The Future of Analog IC Technology TM
EV2364DF-01A
1.5A, 23V, 1.4MHz Dual
Step-Down Converter Evaluation Board
DESCRIPTION
The EV2364DF-01A is an evaluation board for
the MP2364, a dual output, monolithic
step-down switch mode converter with built-in
internal power MOSFETs. It achieves 1.5A
continuous output current for each output over
a wide input supply range with excellent load
and line regulation.
The MP2364’s current mode operation provides
fast transient response and eases loop
stabilization.
Its fault protection includes cycle-by-cycle current
limiting and thermal shutdown. In shutdown mode
the regulator draws 40µA of supply current.
ELECTRICAL SPECIFICATIONS
Parameter
Input Voltage
Output Voltage A
Output Voltage B
Symbol
VIN
VOUTA
VOUTB
Value Units
4.75 to 23 V
3.3 V
2.5 V
FEATURES
1.5A Current for Each Output
Ceramic Input and Output Capacitors
Up to 90% Efficiency
Fixed 1.4MHz Frequency
Wide 4.75V to 23V Operating Input Range
APPLICATIONS
Distributed Power Systems
I/O and Core Supplies
DSL Modems
Set Top Boxes
Cable Modems
“MPS” and “The Future of Analog IC Technology” are Trademarks of Monolithic
Power Systems, Inc.
EV2364DF-01A EVALUATION BOARD
(L x W x H) 2.2” x 1.6” x 0.4”
(5.5cm x 4.1cm x 1.0cm)
Board Number
EV2364DF-01A
MPS IC Number
MP2364DF
Efficiency vs
Load Current
100
90 VOUT=3.3V
VOUT=5V
80 VOUT=2.5V
70
60
50
0
0.5 1.0
LOAD CURRENT (A)
1.5
MP2364_EC01
EV2364DF-01A Rev. 1.1
3/1/2006
www.MonolithicPower.com
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
© 2006 MPS. All Rights Reserved.
1




EV2364DF-01A pdf, 반도체, 판매, 대치품
TM
EV2364DF-01A – 1.5A, 23V, 1.4MHz DUAL STEP-DOWN CONVERTER EV BOARD
QUICK START GUIDE
The output voltages of this board are set to 3.3V (VOUTA) and 2.5V (VOUTB). The board layout
accommodates most commonly used inductors and output capacitors.
1. Attach the positive and negative ends of the first load to the VOUTA and GND pins,
respectively. If using both outputs, attach the positive and negative ends of the second load to
the VOUTB and GND pins, respectively.
2. Preset the power supply output to 4.75V to 23V and turn it off.
3. Connect the positive terminal of the power supply output to the VIN pin and the negative
terminal of the power supply output to the GND pin.
4. Turn the power supply on. The MP2364 will automatically startup.
5. To use the Enable function, apply a digital input to the EN pin. Drive EN higher than 2.5V to turn
on the regulator and less than 0.7V to turn it off.
6. The output voltages VOUTA and VOUTB can be changed by varying R1 and R4, respectively.
Calculate the new values by the following formulae:
R1
=
R6
×
⎜⎜⎝⎛
VOUTA
0.92
1⎟⎟⎠⎞
R4
=
R3
×
⎜⎜⎝⎛
VOUTB
0.92
1⎟⎟⎠⎞
Where R6 = 10kand R3 = 10k
Example:
For VOUTA = 3.3V:
R1
=
10k
×
(
3.3
0.92
1)
=
25.9k
Therefore, use a 25.5kstandard 1% value resistor.
NOTICE: The information in this document is subject to change without notice. Please contact MPS for current specifications.
Users should warrant and guarantee that third party Intellectual Property rights are not infringed upon when integrating MPS
products into any application. MPS will not assume any legal responsibility for any said applications.
EV2364DF-01A Rev. 1.1
3/1/2006
www.MonolithicPower.com
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
© 2006 MPS. All Rights Reserved.
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부품번호상세설명 및 기능제조사
EV2364DF-01A

1.4MHz Dual Step-Down Converter Evaluation Board

MPS
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