參數資料
型號: MP1011EMA
廠商: Monolithic Power Systems, Inc.
英文描述: Cold Cathode Fluorescent Lamp Driver
中文描述: 冷陰極燈管驅動器
文件頁數: 4/6頁
文件大小: 136K
代理商: MP1011EMA
MP1011A
Cold Cathode Fluorescent Lamp Driver
MPS, Inc 3777 Stevens Creek Blvd.
Suite 400 Santa Clara, 95051-7364 USA
Tel (408) 243-0088, Fax (408) 243-0099
www.monolithicpower.com
Revision 1.7
April, 2001
4
Truth Table
Enable Burst Output L /Output R
L
X
High Z
H
H
0 volts ( Standby)
L
X
High Z
H
L
Normal Operation
Reference Design for Burst Mode Operation with Open Lamp Regulation and Shutdown
C_vccR
1
2
3
4
5
6
7
8
9
1
1
1
1
1
1
1
1
1
1
2
B
I
B
E
V
V
O
N
P
B
B
P
N
O
V
V
V
c
o
A
J1
1
2
CON2
F1
FUSE
C_comp
MP1011
Q2
Cul
C_vcc
Gnd
Enable
C_vccL
JP1
4 HEADER
1
2
3
4
Rul2
Rbleed
D2a
Rolpu
D1b
C_sd
Ren2
C_sense
T1
1
5
4
8
C_vdrL
C_olpu
See Note
Below
C_vref
Optional. Used to meet UL
requirements.
D2b
Rsense
C_opv
C_bstR
Rser
C_en
C_ser
Note:This circuitry is for 'lamp-out'
detection. If this feature is not needed,
remove the outlined components, short the
upper side of C para to Gnd and short
pins 17 and 19 of the MP1011.
A
A
Rul1
Ren1
C_bstL
Q1
Burst
A
C_para
Lamp(+)
Vcc
D1a
D1
Rsd
For additional reference designs, please see MP1011UG demo board user’s guide
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