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EV2307DN-00A 반도체 회로 부품 판매점

340KHz Synchronous Step-Down Converter



MPS 로고
MPS
EV2307DN-00A 데이터시트, 핀배열, 회로
www.DataSheet4U.com
TM
The Future of Analog IC Technology TM
GENERAL DESCRIPTION
The MP2307 is a monolithic synchronous buck
regulator. The device integrates 100m
MOSFETS that provide 3A continuous load
current over a wide operating input voltage
range of 4.75V to 23V. Current mode control
provides fast transient response and cycle-by-
cycle current limit.
An adjustable soft-start prevents inrush current
at turn-on. In shutdown mode, the supply
current drops to only 1µA.
This device, available in an 8-pin SOIC
package, provides a very compact system
solution with minimal reliance on external
components.
ELECTRICAL SPECIFICATIONS
Parameter
Supply Voltage
Output Voltage
Output Current
Symbol
VIN
VOUT
IOUT
Value
4.75 to 23
3.3
0 to 3
Units
V
V
A
EV2307DN-00A
3A, 23V, 340KHz
Synchronous Step-Down Converter
EVALUATION BOARD – INITIAL RELEASE
FEATURES
Up to 3A Output Current
Wide 4.75V to 23V Operating Input Range
Monolithic Synchronous Buck with 100m
High-Side and Low-Side FETs
Fixed 340KHz Frequency
All Ceramic Input and Output Capacitors
Programmable Soft-Start
Programmable Input Under Voltage Lockout
APPLICATIONS
Distributed Power Systems
Networking Systems
FPGA, DSP, ASIC Power Supplies
Green Electronics/ Appliances
Notebook Computers
“MPS” and “The Future of Analog IC Technology” are Trademarks of
Monolithic Power Systems, Inc.
EV2307DN-00A EVALUATION BOARD
((L x W x H) 2.0” x 1.5” x 0.5”
(5.0cm x 3.8cm x 1.2cm)
Board Number
EV2307DN-00A
MPS IC Number
MP2307DN
Efficiency vs
Load Current
100
95
90 VIN = 12V
VIN = 5V
85
80 VIN = 23V
75
70
65
60
55
50
0.1
1.0
LOAD CURRENT (A)
10
MP2307_EC01
EV2307DN-00A Rev. 1.1f
9/14/2005
www.MonolithicPower.com
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
© 2005 MPS. All Rights Reserved.
1


EV2307DN-00A 데이터시트, 핀배열, 회로
TM
EV2307DN-00A – 3A, 23V, 340KHz SYNCHRONOUS STEP-DOWN CONVERTER
EVALUATION BOARD – INITIAL RELEASE
EVALUATION BOARD SCHEMATIC
EN
C7 R5
SS NS NS
VIN
GND
C1
10nF 1
U1
8
BS SS
2
IN
7
EN
MP2307
3
SW
6
COMP
4
GND
5
FB
C3
3.3nF
C4
NS
D1
B130LAW-7
(optional)
EV2307DN-00A BILL OF MATERIALS
Qty Ref
1 C1
2 C2, C8
1 C3
2 C4, C7
2 C5, C9
1 C6
1 D1
1 L1
1 R1
1 R2
1 R3
1 R4
1 R5
1 U1
Value
10nF
10µF
3.3nF
NS
22µF
0.1µF
10µH
26.1k
5.6k
10k
100k
NS
Description
Ceramic Cap, 50V, X7R
Ceramic Cap, 25V, X7R
Ceramic Cap, 50V, X7R
Not Stuffed
Ceramic Cap, 16V, X5R
Ceramic Cap, 50V, X7R
Diode Schottky, 30V, 1A
Inductor, 4A
Resistor, 1%
Resistor, 5%
Resistor, 1%
Resistor
Not Stuffed
Step-Down Converter
VOUT
3.3V / 3A
GND
EV2307_S01
Package
SM0805
SM1210
SM0805
Manufacturer
TDK
TDK
Panasonic
Manufacturer P/N
C2012X7R1H103K
C3225X7R1E106M
ECJ-2VB1H332K
SM1210
SM0805
SOD-123
SMD
SM0805
SM0805
SM0805
SM0805
TDK
TDK
Diodes Inc
Sumida
Any
Any
Any
Any
C3225X5R1C226M
C2012X7R1H104K
B130LAW-7
CDR8D43
SO8 MPS
MP2307DN
EV2307DN-00A Rev. 1.1f
9/14/2005
www.MonolithicPower.com
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
© 2005 MPS. All Rights Reserved.
2




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EV2307DN-00A

340KHz Synchronous Step-Down Converter - MPS