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參數(shù)資料
| 型號： | EV1531DQ-002A |
| 廠商： | Monolithic Power Systems, Inc. |
| 英文描述： | Low Power, Triple Output Step-Up Plus Charge Pump for TFT Bias |
| 中文描述： | 低功耗，三路輸出升壓充電泵另外，為TFT偏置 |
| 文件頁數(shù)： | 5/5頁 |
| 文件大?。?/td> | 271K |
| 代理商： | EV1531DQ-002A |
EV1531DQ-002A
–
LOW PWR, TRI-OUTPUT STEP-UP + CHARGE PUMP FOR TFT BIAS
EVALUATION BOARD – INITIAL RELEASE
NOTICE:
MPS believes the information in this document to be accurate and reliable. However, it is subject to change without
notice. Contact MPS for current specifications. MPS encourages users of its products to ensure that third party Intellectual
Property rights are not infringed upon when integrating MPS products into any application. MPS cannot assume any legal
responsibility for any said applications.
EV1531DQ-002A Rev. 1.1
10/13/04
2004 MPS, Inc.
Monolithic Power Systems, Inc.
983 University Avenue, Building A, Los Gatos, CA 95032 USA
Tel: 408-357-6600
Fax: 408-357-6601
www.MonolithicPower.com
5
TEST RESULTS
100
90
80
70
60
50
40
30
20
E
0
100
200
300
400
500
600
LOAD CURRENT (mA)
MP1531-TPC01
Efficiency vs Load Current
Delivered by Step-Up Converter
V
IN
= 3.3V
V
MAIN
= 5V
V
IN
= 4.2V
MP1531_WF02
Power-Up Sequencing
V
IN
= 3.3V, V
MAIN
= 5V, I
MAIN
= 100mA,
V
GH
= 15V, I
GH
= 5mA, V
GL
= -10V, I
GL
= 5mA,
C
CT
=10nF
I
50mA/div
V
50mV/div
V
5V/div
MP1531_WF01
Load Transient
V
IN
= 3.3V, V
MAIN
= 5V, 5mA-50mA STEP
V
GH
= 15V, I
GH
= 5mA, V
GL
= -10V, I
GL
= 5mA
V
5V/div
V
10V/div
V
10V/div
10ms/div
QUICK START GUIDE
The three output voltages of this board are set to +5V, +15V, and -10V. The board layout
accommodates most commonly used inductors and output capacitors.
1. Make sure Jumper JP1 is connected between 2 and 3.
2. Attach positive end of loads to VMAIN, VGH,and VGL pins respectively. Attach negative end of
loads to GND pins.
3. Attach input voltage 2.7V
≤
V
IN
≤
5.5V and input ground to VIN and GND pins respectively.
4. During startup
RDY
will be left HIGH. Once the turn-on sequence is complete, this pin will be
pulled low if all regulators exceed 80% of their specified voltages. After all regulators are turned
on, a fault in any regulator will cause
RDY
to go LOW after approximately 15μs. If the fault
persists for more than approximately 6ms (for C
CT
= 10nF), the entire chip will shut down.
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