MP1541DJ [MPS]
MP1541 TFT Applications Evaluation Board; MP1541 TFT应用评估板
| 型号： | MP1541DJ |
| 厂家： | 
MONOLITHIC POWER SYSTEMS |
| 描述： | MP1541 TFT Applications Evaluation Board |
| 文件： | 总5页 (文件大小：206K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
TM
EV1541DJ-TFT-00A
MP1541 TFT Applications
Evaluation Board
TM
The Future of Analog IC Technology
EVALUATION BOARD
GENERAL DESCRIPTION
FEATURES
The EV1541DJ-TFT-00A is the evaluation
board for TFT applications using the MP1541.
The MP1541 is a 5-pin thin SOT23 current
mode step up converter intended for small, low
power applications. The MP1541 switches at
1.3MHz and allows the use of tiny, low cost
capacitors and inductors 2mm or less in height.
Internal soft start results in small inrush current
and extends battery life. The MP1541 operates
from an input voltage as low as 2.5V and can
generate 12V at up to 200mA from a 5V supply.
•
•
•
•
•
•
3V to 3.6V Operating Input Range
Uses Tiny Capacitors and Inductors
1.3MHz Fixed Switching Frequency
Internally Compensated
Internal Soft Start
3 Outputs in a Single Package: Boost
Converter for 5V, Charge Pump for 15V,
and Negative Charge Pump for –10V
UVLO, Thermal Shutdown
Internal Current Limit
Available in a TSOT23-5 Package
•
•
•
The EV1541DJ-TFT-00A provides VOUT from
the boost output and also derives VP (positive)
and VN (negative) from the charge pumps off of
the boost switching node.
APPLICATIONS
•
•
•
Handheld Computers and PDAs
Digital Still and Video Cameras
Small LCD Displays
ELECTRICAL SPECIFICATIONS
“MPS” and “The Future of Analog IC Technology”, are Trademarks of Monolithic
Power Systems, Inc.
Parameter
Symbol
Value
3 – 3.6
5
Units
Input Voltage
VIN
V
Output Voltage 1
Output Current 1
Output Voltage 2
Output Current 2
Output Voltage 3
Output Current 3
VOUT
IOUT
VN
V
200
–10
10
mA
V
IN
mA
V
VP
15
IP
20
mA
EV1541DJ-TFT-00A EVALUATION BOARD
Dimensions (2.0”X x 2.0”Y x 0.4”Z)
Board Number
MPS IC Number
MP1541DJ
EV1541DJ-TFT-00A
EV1541DJ-TFT-00A Rev. 1.0
6/8/2005
www.MonolithicPower.com
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
© 2005 MPS. All Rights Reserved.
1
TM
EV1541DJ-TFT-00A – MP1541 TFT APPLICATIONS EVALUATION BOARD
EVALUATION BOARD
EVALUATION BOARD SCHEMATIC
D4
D3
D2
VP
D7
D6
VN
15V @ 20mA
--10V @ 10mA
R6
NS
R7
NS
VGH
VGL
ZD1
NS
C10
NS
ZD2
NS
C17
NS
SW
SW
JP2
D5
JP1
VOUT
VIN
OPTIONAL
FOR 3X MODE
SW
VIN
VOUT
VIN
3.3V
D1
VOUT
5V @ 200mA
R4
NS
GND
GND
U1
5
1
3
IN
SW
C2
NS
MP1541
4
2
FB
EN
EN
GND
EV1541_TFT_S01
EV1541DJ-TFT-00A Rev. 1.0
6/8/2005
www.MonolithicPower.com
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
© 2005 MPS. All Rights Reserved.
2
TM
EV1541DJ-TFT-00A – MP1541 TFT APPLICATIONS EVALUATION BOARD
EVALUATION BOARD
EV1541DJ-TFT-00A BILL OF MATERIALS
Qty
Ref
Value Description
Package Manufacturer
Manufacturer P/N
1
C1
10µF Ceramic Cap, 10V, X5R
1210
TDK
C3225X5R1A106K
C2, C10,
C17
3
1
NS Not Stuffed
C3
4.7µF Ceramic Cap, 10V, X5R
1210
0805
0805
Taiyo Yuden
TDK
LMK325BJ475KD
C4, C5,
C6, C7,
10 C8, C11, 0.1µF Ceramic Cap, 50V, X7R
C2012X7R1H1 04K
C12, C13,
C14, C15
2
1
C9, C16
D1
1µF Ceramic Cap, 25V, X5R
Schottky Diodes, 40V, 1A
TDK
C2012X5R1E105K
1N5819HW-7
SOD-123 Diodes Inc
D2, D3,
D4, D5,
D6, D7
Diode Rectifier, Dual, 30V,
200mA
6
SOT-123 Fairchild
BAT54S
2
1
1
1
2
JP1, JP2
L1
3-Pin Connector Header, 0.100
3.3µH 1.6A
Sullins
PTC03SAAN
Sumida
CDRH4D28CLD-3R3
ERJ-6ENF3012V
ERJ-6ENF1002V
ERJ-6GEYJ104V
R1
30.1kΩ Metal Film Res, 1%
10kΩ Metal Film Res, 1%
100kΩ Metal Film Res, 5%
0805
0805
0805
Panasonic
Panasonic
Panasonic
R2
R3, R5
R4, R6,
R7
3
NS Not Stuffed
1
2
U1
DC-DC Converter
NS Not Stuffed
TSOT23-5 MPS
MP1541DJ
ZD1, ZD2
EV1541DJ-TFT-00A Rev. 1.0
6/8/2005
www.MonolithicPower.com
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
© 2005 MPS. All Rights Reserved.
3
TM
EV1541DJ-TFT-00A – MP1541 TFT APPLICATIONS EVALUATION BOARD
EVALUATION BOARD
PRINTED CIRCUIT BOARD LAYOUT
Figure 1—Top Silk Layer
Figure 2—Top Layer
Figure 3—Bottom Layer
EV1541DJ-TFT-00A Rev. 1.0
6/8/2005
www.MonolithicPower.com
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
© 2005 MPS. All Rights Reserved.
4
TM
EV1541DJ-TFT-00A – MP1541 TFT APPLICATIONS EVALUATION BOARD
EVALUATION BOARD
QUICK START GUIDE
The output voltage of this board is set to 5V, –10V and 15V on VOUT, VN and VP, respectively. The
board layout accommodates most commonly used inductors and output capacitors.
1. Preset the power supply to 3V ≤ VIN ≤ 3.6V.
2. Turn off the power supply.
3. Connect the power supply terminals to:
a. Positive (+): VIN, EN
b. Negative (–): GND
4. Connect the load to:
a. Positive (+): VOUT, VP, GND (for the negative output)
b. Negative (–): GND, VN (for the negative output)
5. Turn on the power supply after making the connections.
6. The MP1541 is disabled on the evaluation board if only VIN is applied. To enable the MP1541,
EN needs to be pulled HIGH.
7. The output voltage VOUT can be changed by varying R1. Calculate the new value using the
formula:
⎛
⎜
⎜
⎞
⎟
⎠
VOUT
VFB
⎟
R1 =
− 1 R2
⎝
Where VFB = 1.25V and R2 = 10kΩ
For example, for VOUT = 7.5V
7.5V
⎛
⎜
⎞
R1 =
− 1 ×10kΩ = 50kΩ
⎟
1.25V
⎝
⎠
Therefore use a 49.9kΩ standard 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.
EV1541DJ-TFT-00A Rev. 1.0
6/8/2005
www.MonolithicPower.com
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
© 2005 MPS. All Rights Reserved.
5
相关型号：
MP1541DJ-LF
Switching Regulator, Current-mode, 1.9A, 1600kHz Switching Freq-Max, PDSO5, ROHS COMPLIANT, MO-193, TSOT-23, 5 PIN
MPS
MP1541DJ-LF-Z
Switching Regulator, Current-mode, 1.9A, 1600kHz Switching Freq-Max, PDSO5, TSOT-23, 5 PIN
MPS
MP1542DK-LF
Switching Regulator, Current-mode, 2A, 1500kHz Switching Freq-Max, PDSO8, LEAD FREE, MO-187AA, MSOP-8
MPS
MP1542DK-LF-Z
Switching Regulator, Current-mode, 2A, 1500kHz Switching Freq-Max, PDSO8, LEAD FREE, MO-187AA, MSOP-8
MPS
©2020 ICPDF网 联系我们和版权申明