HONANO ELECTRONIC CO., LTD.
SB6540
LOW FREQUENCY
EL DRIVER IC
P.1
GENERAL DESCRIPTION
The SB6540 is specially designed as
a low frequency low power
Electroluminescent Lamp Driver IC.
Built-
Built-in RC OSC, transistors and
only requires 2~3 external components.
It is specially designed for products of
EMI concern.
FEATURE
* BIPOLAR TECHNOLOGY
* OPERATING VOLTAGE :
2.2V ~ 5.0V DC
5.0V
* TOTAL SUPPLY CURRENT :
20mA (at Vdd = 3 V)
* LOW FREQUENCY 200 Hz
* Built-in RC OSC & TRANSISTORS
Built-
TRANSISTORS
APPLICATIONS
* CELLULAR PHONE LCD BACKLIGHT
* CORDLESS PHONE (DECT, 900MHz, 46/49MHz ..) LCD BACKLIGHT
* WATCH BACKLIGHT
* PAGER BACKLIGHT
* SMALL SIZE DISPLAY DATABACK BACKLIGHT
* OTHER PORTABLE PRODUCTS WITH SMALL SIZE LCD BACKLIGHT
BACKLIGHT
SPECIFICATION
(T=25 C, V
dd
=3.0V, Lamp Capacitacnce=3000pF, Coil=12mH(R=24Ω
)
, C
OSC
=282pF
Ω
o
PARAMETER
Supply Voltage
Total Supply Current
Quiescent Supply
Current
H
ON
Voltage On
H
ON
Current On
H
ON
Voltage Off
Inductor Drive
Peak Current
Lamp Output
Differential Voltage
Frequency
MIN
2.2
MAX
5.0
UNIT
V
CONDITIONS
V
dd
=3.0V;
H
ON
=3.0V
V
dd
=3.0V;
H
ON
=0V
V
dd
=3.0V
V
dd
=3.0V
20
200
V
dd
-0.5
V
dd
60
V
dd
-2
60
mA
nA
V
μA
V
mA
110
200
400
V
PP
Hz
V
dd
=3.0V
V
dd
=3.0V
地址: 南京市珠江路
88
号，新世界中心
B
座
4004
室, 邮编:210008
ADD.: RM. 4004,
BLOCK B,
NEW WORLD CENTER,
电话(TEL.):
(86)-25-68853600
NANJING 210008,
CHINA
传真(FAX):
(86)-25-68853600-810
WEB-SITE:
WWW.HN-ELEC.COM
NO. 88 ZHUJIANG ROAD,
1
HN [ NANJING HONANO ELECTRONIC CO., LTD. ]
