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MC33441 数据表(PDF) 1 Page - ON Semiconductor

部件名 MC33441
功能描述  Electroluminescent Lamp Driver IC
Download  9 Pages
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制造商  ONSEMI [ON Semiconductor]
网页  http://www.onsemi.com
标志 ONSEMI - ON Semiconductor

MC33441 数据表(HTML) 1 Page - ON Semiconductor

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© Semiconductor Components Industries, LLC, 2006
July, 2006 − Rev. 3
1
Publication Order Number:
MC33441/D
MC33441
Electroluminescent Lamp
Driver IC
The MC33441 is a DC−AC inverter integrated circuit for driving EL
lamps. It can boost the supply voltage to the level required by EL
lamps and also provide high voltage AC lamp excitation. It consists of
an oscillator, a frequency divider, a coil driving circuit and a switched
H−bridge network. The input supply voltage range is from 1.8 V to
3.5 V and is capable to supply a typical 140 Vpp AC output voltage.
The standby current of the device is typically 10 nA which is ideal for
low power portable products. Externally, one inductor and one resistor
are needed to generate the desirable voltage charge and to fine tune the
oscillator’s frequency. This device is offered in 8−Pin TSSOP
miniature package. The operating temperature is −20°C to 70°C.
Features
Battery Operation 1.8 V − 3.5 V
Typical Voltage Output 140 Vpp
Typical Standby Current 10 nA
Internal Oscillator with External Tuning Resistor
Enable Control Pin with a 300 K Internal Pull−Down Resistor
8−Pin TSSOP Package (Thickness = 1.05 mm, Width = 4.5 mm,
Length = 3.1 mm & Lead Pitch = 0.65 mm)
Types of Applications
Pagers, Cellular Phones, Portable CD Players/Minidisks
Databanks, Calculators
Simplified Block Diagram
FREQUENCY
DIVIDER
VDD
ENB
RT1
OSC
FEL
VSS
1
2
3
4
H−BRIDGE
COIL
DRIVER
FCOIL
EL1
EL2
FILTER
COIL
8
7
6
5
Device
Package
Shipping
ORDERING INFORMATION
MC33441DTBR2 TSSOP−8
2500 Units / Reel
TSSOP−8
DTB SUFFIX
CASE 948J
8
1
PIN CONNECTIONS AND
MARKING DIAGRAM
4
3
VSS
COIL
FILTER
5
6
(Top View)
ENB
RT1
1
VDD
EL2
EL1
7
8
2
A = Assembly Location
L = Wafer Lot
Y = Year
W = Work Week
http://onsemi.com


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