cf8140a Seiko NPC Corp., cf8140a Datasheet - Page 4

• Manufacturer Part Number: cf8140a
• Description: El Driver Ic
• Manufacturer: Seiko NPC Corp.

ABSOLUTE MAXIMUM RATINGS
V
RECOMMENDED OPERATING CONDITIONS
V
1. 5V Application hints is different from 3V ones (Refer to APPLICATION HINTS)
2. Max value is as same as Absolute Maximum Ratings
ELECTRICAL CHARACTERISTICS
Ta 25 C, V
1. R
2. R
Supply voltage range
Input voltage range
Output voltage
Power dissipation
Storage temperature range
Soldering temperature
Soldering time
Supply voltage range
Operating temperature range
Operating current
Using inductor
Supply voltage range
Output voltage
Output resistance
Oscillation frequency
Driving frequency
Output frequency
Input voltage
Input current
Operating current
Stand by current
SS
SS
OSC
OSC
determines EL driver frequency 20k to 100kHz
determines EL driver frequency 200 to 500Hz
0V, Unless otherwise noted
0V, Unless otherwise noted
Parameter
Parameter
Parameter
2
SS
0V, V
DD
OUT1/2
OUT1/2
OCE1/2
OCL1/2
OUT1/2
Symbol
Symbol
L
L
VDD
CPO
VDD
V
V
CHV
LDR
LDR
ENA
ENA
VDD
V
V
T
T
V
V
T
V
t
I
I
Pin
V
LDR1
LDR2
OUT1
OUT2
P
SLD
DD2
DD3
OPR
CHV
LDR
STG
SLD
DD1
DD2
DD
3.0V, unless otherwise noted
IN
D
Symbol
V
V
V
V
Including inductor current, V
Including inductor current, V
V
I
V
R
f
V
f
f
f
ENAH
I
I
OUTH
OUTL
OCE
ENAH
OCL
OUT
LDR
ENAL
DD1
STB
CPO
CHV
LDR
DD
f
f
LDR
LDR
Package only
Package only
Excluding inductor current
All input pins
CPO V
32kHz, V
32kHz, V
Condition
OUT1 pins
OUT2 pins
Condition
Ta 70 C
CHV pins
LDR pins
R
V
R
SM8140A
R
R
V
CPO
OCL
OCE
V
OCE
OCL
Condition
ENAH
ENA "H"
ENA "L"
ENA "L"
CPO
DD
DD
DD
1
2 V
100k
3.9M
100k
3.9M
6.0V
3.0V
5.0V
3.0V
DD
DD
DD
1
2
3.0V
5.0V
V
V
DD
SS
22.4
0.45
min
min
179
175
2.4
4.5
0.5
5.6
2.4
4.5
30
0.3
1.0
V
SS
NIPPON PRECISION CIRCUITS—4
0.5 to 120
0.5 to 120
0.5 to 120
0.5 to 120
0.3 to 8.0
0.3 to V
Rating
55 to 125
Rating
Rating
0.75
200
255
256
250
typ
typ
5.5
5.0
8.0
1.0
1.5
10
20
25
32
DD
0.3
V
V
DD
SS
max
max
10.0
10.4
41.6
1.05
100
100
100
100
332
325
3.6
0.5
3.6
5.5
70
1
1
1.0
0.3
unit
mW
unit
unit
kHz
kHz
sec
mA
mA
mH
mH
mA
Hz
V
V
V
V
V
V
V
V
C
C
C
A
A