SM8146AD1 データシートの表示（PDF） - Nippon Precision Circuits
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SM8146AD1 Datasheet PDF : 19 Pages
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SM8146AD1
TYPICAL APPLICATION CIRCUIT
EL Sheet: 10cm2
Direct power supply from Li-ion secondary battery
VIH > 1.4V
ON
OFF
OFF
VIH > 1.4V
Li-ion battery
3.2 to 4.2V
ROCL
ROCE
OCL
OCE
DIM
ENA
VDD
VSS
LDR
CHV
OUT1
OUT2
L
D
EL sheet
10cm2
C1
1.0µF
C2
VDD
IDD
L
[V]
[mA]
[µH]
3.2 to 4.2 Figure 1
220
D : TOSHIBA
L : TAIYO YUDEN
C2 : MURATA
1SS403
NR4012T221M
GRM3192C2A222JA01
ROCL
[kΩ]
220
ROCE
[kΩ]
150
120
100
fOUT
[Hz]
VOUT
[V]
Brightness
[cd/m2]
345
420
Figure 2 Figure 3
500
Other component
–
–
–
30.0
25.0
20.0
ROCE = 100kΩ
15.0
10.0
ROCE = 120kΩ
ROCE = 150kΩ
5.0
3.20
3.40
3.60 3.80
VDD [V]
4.00
4.20
Figure 1. VDD VS. IDD
200
180
160
140
120
ROCE = 150kΩ
ROCE = 120kΩ
ROCE = 100kΩ
100
3.20
3.40
3.60 3.80
VDD [V]
4.00
4.20
Figure 2. VDD VS. VOUT
35.0
30.0
25.0
20.0
ROCE = 120kΩ
ROCE = 100kΩ
ROCE = 150kΩ
15.0
10.0
5.0
3.20
3.40
3.60 3.80
VDD [V]
4.00
4.20
Figure 3. VDD VS. Brightness
SEIKO NPC CORPORATION —10
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