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