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MPS

MP1009 Datasheet Preview

MP1009 Datasheet

Half-Bridge and Push-Pull CCFL Inverter Controller

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MP1009
Nu-PulseTM, Half-Bridge and Push-Pull
CCFL Inverter Controller
The Future of Analog IC Technology
PRELIMINARY SPECIFICATIONS SUBJECT TO CHANGE
MPS CONFIDENTIAL AND PROPRIETARY INFORMATION – INTERNAL USE ONLY
DESCRIPTION
The MP100 9 is a fixe d operating frequency
inverter controller that controls t wo external
power MOSFETs in Nu-Pulse TM, Half-Bridge or
Push-Pull configuration for powering one or
more cold cathode fluor escent lamps (CCFL) to
backlight liquid crystal displays (LCD).
The MP1009 offers cost effective solutions with
minimized external components. Th e controller
provides high efficiency power conversion of
unregulated DC input voltages to nearly pur e
sine waves. The featured fault detection and
protection scheme (patent pendin g) includes
open lamp regulation, open lamp protection and
short lamp protection.
Burst mode dimming is controlled w ith either an
external analog or digital signal. Lam p voltages
and lamp currents are continuously regulated
under any operating conditions.
The MP100 9 is available in a 16-pin SOIC
package.
FEATURES
Drives Two Exter nal, L ow Co st, N -Channel
MOSFETs
Fixed Operating Frequency
Input Voltage Range of 8V to 30V
Lamp Current and Voltage Regulation
Burst Mode Dimming Control
Integrated Burst Mode Ocsillator andModulator
Soft-On and Soft-Off Burst Envelope
Open Lamp & Short circuit Protection
Fault Timer and Indicator
Available in SOIC 16 Package
APPLICATIONS
Desktop LCD Flat Panel Displays
Flat Panel Video Displays
LCD TVs and Monitors
"MPS", "The Future of Analog IC Technology", and "Nu-Pulse" are Trademarks
of Monolithic Power Systems, Inc.
MP1009 and Nu-Pulse configuration are MPS proprietary technologies covered
by US Patents:
6,683,422
6,114,814
6,316,881
7,161,305
Other patents are pending.
TYPICAL APPLICATION
OV2
LI1
LI2
C11
C12
R9
C14
R11 R10
C13
MP1009
OV2 OV1
OV1
LI1
LI2
COMP
R12
C9
REF
FT
FSET
BOSC
R13
C10
DBRT
R14
C18
VIN
REF
R5 R8 R7 R6
R18
OV1
R19
OV2
C15 R15
LV1 LI2 LI1
R16
LV4
LV2 D4
R17
D3
OL1 OL4 OL2 OL3
LV3
C1
LV1
C2
OL1
R1
C3
LV2
C4
OL2
R2
C5
LV3
C6
OL3
R3
C7
LV4
C8
OL4
R4
MP1009 Rev. 0.91
5/12/2008
www.MonolithicPower.com
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
© 2010 MPS. All Rights Reserved.
1
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MPS

MP1009 Datasheet Preview

MP1009 Datasheet

Half-Bridge and Push-Pull CCFL Inverter Controller

No Preview Available !

MP1009 – NU-PULSETM CCFL INVERTER CONTROLLER
PRELIMINARY SPECIFICATIONS SUBJECT TO CHANGE
MPS CONFIDENTIAL AND PROPRIETARY INFORMATION – INTERNAL USE ONLY
ORDERING INFORMATION
Part Number*
MP1009ES
Package
SOIC16
Top Marking
MP1009ES
Free Air Temperature (TA)
-20°C to +85°C
* For Tape & Reel, add suffix –Z (e.g. MP1009ES–Z).
For RoHS Compliant packaging, add suffix –LF (e.g. MP1009ES–LF–Z)
PACKAGE REFERENCE
ABSOLUTE MAXIMUM RATINGS (1)
Input Voltage VIN......................................... 34V
BT and TG ............................ -0.3V to VIN+VCC
SW. ................................................. -0.3V to VIN
VCC and BG ................................-0.3V to +6.5V
Logic Inputs .................................-0.3V to +6.5V
LI1 and LI2 Inputs ........................-5.8V to +5.8V
OV1 and OV2 inputs ..................-0.3V to +14.5V
Continuous Power Dissipation (TA = +25°C) (2)
……………………………………………....1.56W
Junction Temperature ...............................150°C
Power Dissipation ...................................... 0.6W
Lead Temperature (Solder).......................260°C
Operating Frequency ............................. 150kHz
Storage Temperature............... -55°C to +150°C
Recommended Operating Conditions (3)
Input Voltage VIN .................................8V to 30V
Digital Brightness Voltage VDBRT ........0V to 1.2V
Operating Frequency .............. 20kHz to 100kHz
Operating Frequency (Typical) ................ 50kHz
Operating Junct. Temp (TJ).... 20°C to + 125°C
Thermal Resistance (4) θJA θJC
SOIC16 ...................................80 ...... 30 ... °C/W
Notes:
1) Exceeding these ratings may damage the device.
2) The maximum allowable power dissipation is a fun ction of the
maximum junction temperatu re T J (MAX), the junction-to-
ambient thermal resistance θJA, and the a mbient temperature
TA. The maximu m allow able con tinuous po wer di ssipation at
any ambient te mperature is ca lculated by P D (MAX) = (T J
(MAX)-TA)/θJA. Exceeding the maximum allowable powe r
dissipation w ill cause ex cessive die tempe rature, and t he
regulator will g o into thermal shutdown. Inte rnal thermal
shutdown circuitr y pr otects the device from permanent
damage.
3) The device is not guarant eed to function outside of its
operating conditions.
4) Measured on JESD51-7, 4-layer PCB.
MP1009 Rev. 0.91
5/12/2008
www.MonolithicPower.com
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
© 2010 MPS. All Rights Reserved.
2


Part Number MP1009
Description Half-Bridge and Push-Pull CCFL Inverter Controller
Maker MPS
Total Page 12 Pages
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