CPC6826
1. Specifications
1.1 Package Pinout
1
2
3
4
8
7
6
5
VDD
RSW-osc
REL-osc
GND
VA
VB
CS
LX
MSOP-8
Top View
1.2 Pin Description
Pin
Name
Description
V
1
Input Supply Voltage: 1.8V to 3.5V
DD
External Switch Resistor: Set switch frequency of the internal power MOSFET by connecting an
external resistor to V . Connecting the external resistor to GND disables the switch oscillator and
R
2
SW-osc
DD
shuts down the device.
External EL Resistor: Set EL frequency of the internal H-bridge driver by connecting an external
resistor to V . Connecting the external resistor to GND disables the EL oscillator.
R
3
EL-osc
DD
4
5
GND
Ground Return
L
Internal Switch Node: Internal high-voltage power MOSFET drain
X
Regulated Boost Output: Connect to the output of external storage capacitor of the boost regulator
and connect to the cathode of the diode
C
6
S
V
7
8
EL Output: Connect to EL lamp - Polarity does not matter
EL Output: Connect to EL lamp - Polarity does not matter
B
V
A
1.3 Absolute Maximum Ratings
Parameter
Ratings
-0.5 to +4.5
Units
Supply Voltage, VDD
Output Voltage, VCS
Power Dissipation
V
V
-0.5 to +100
250
mW
ºC
Operating Temperature
Range
-40 to +85
Storage Temperature Range
-65 to +150
ºC
1.4 Recommended Operating Conditions
Parameter
Symbol
VDD
Min
1.8
60
Typ
Max
3.5
Units
V
Supply Voltage
-
-
-
Output Drive Frequency
Operating Temperature
fEL
TA
1000
85
Hz
-40
ºC
R00C
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