CF8140A 查看數據表（PDF） - Nippon Precision Circuits
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CF8140A Datasheet PDF : 6 Pages
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SM8140A
ABSOLUTE MAXIMUM RATINGS
VSS = 0V, Unless otherwise noted
Parameter
Symbol
Supply voltage range
Input voltage range
Output voltage
Power dissipation
Storage temperature range
Soldering temperature
Soldering time
V DD
V IN
VCHV
VLDR
VOUT1
VOUT2
PD
T STG
T SLD
t SLD
Condition
All input pins
CHV pins
LDR pins
OUT1 pins
OUT2 pins
Ta ≤ 70°C
Package only
Package only
Rating
unit
− 0.3 to + 8.0
V
VSS − 0.3 to VDD + 0.3
V
0.5 to 120
0.5 to 120
V
0.5 to 120
0.5 to 120
200
mW
− 55 to 125
°C
255
°C
10
sec
RECOMMENDED OPERATING CONDITIONS
VSS = 0V, Unless otherwise noted
Parameter
Symbol
Condition
Rating
unit
min
typ
max
Supply voltage range
VDD1
VDD2
CPO = VDD1
2.4
−
3.6
V
4.5
−
5.5
V
Operating temperature range
TOPR
− 30
−
70
°C
Operating current2
IDD2
Including inductor current, VDD = 3.0V
−
IDD3
Including inductor current, VDD = 5.0V
−
20
100
mA
25
100
mA
Using inductor
LLDR1
LLDR2
fLDR = 32kHz, VDD = 3.0V
fLDR = 32kHz, VDD = 5.0V
−
1.0
−
mH
−
1.5
−
mH
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, VSS = 0V, VDD = 3.0V, unless otherwise noted
Parameter
Pin
Symbol
Condition
Rating
unit
min
typ
max
Supply voltage range
Output voltage
Output resistance
Oscillation frequency
Driving frequency
Output frequency
Input voltage
Input current
Operating current
Stand − by current
VDD
V DD
2.4
−
3.6
V
CPO
VCPO
VCPO ≤ 2 × VDD
4.5
5.5
−
CHV
OUT1/2
VCHV
VOUTH
0.5
−
100
V
−
−
100
OUT1/2
VOUTL
−
−
0.5
LDR
R LDR
VCPO = 6.0V
−
5.0
10.0
Ω
OCE1/2
fOCE
OCL1/2
fOCL
OUT1/2
f OUT
ROCE = 3.9MΩ
ROCL = 100kΩ1
ROCE = 3.9MΩ2
5.6
8.0
10.4
kHz
179
256
332
175
250
325
Hz
LDR
fLDR
ROCL = 100kΩ
22.4
32
41.6
kHz
ENA
VENAH
VENAL
ENA = "H"
ENA = "L"
VDD + 1.0
−
VDD + 0.3
V
VSS − 0.3
−
VSS + 1.0
ENA
IENAH
VENAH = 3.0V
0.45
0.75
1.05
µA
VDD
IDD1
Excluding inductor current
−
−
1
mA
VDD
ISTB
ENA = "L"
−
−
1
µA
1. ROSC determines EL driver frequency 20k to 100kHz
2. ROSC determines EL driver frequency 200 to 500Hz
NIPPON PRECISION CIRCUITS—4
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