MP1011A 查看數據表（PDF） - Monolithic Power Systems
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MP1011A Datasheet PDF : 6 Pages
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Truth Table
Enable
L
H
L
H
Burst
X
H
X
L
Output L /Output R
High Z
0 volts ( Standby)
High Z
Normal Operation
MP1011A
Cold Cathode Fluorescent Lamp Driver
Reference Design for Burst Mode Operation with Open Lamp Regulation and Shutdown
Optional. Used to meet UL
requirements.
Cul
Rul2
Q2
Rul1
JP1
4
3
2
1
Vcc
Burst
Enable
Gnd
4 HEADER
F1
C_vcc
FUSE
Q1
Rsd
C_sd
C_comp
C_vref
A
Rolpu
C_olpu
C_vccR
MP1011
Ren1
Ren2
C_en
A
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.
C_vccL
C_vdrL
See Note
Below
D1a
D1
D1b
C_opv
C_para
C_bstR
Rser
C_ser
1 T1 5 Lamp(+)
4
8
Rbleed
J1
1
2
CON2
C_bstL
D2b
D2a
C_sense
Rsense
A
For additional reference designs, please see MP1011UG demo board user’s guide
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
4
April, 2001
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