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Power Supply / Driver
[Multi Power Supply IC]
Device
Circuit configuration
Input voltage
range[V]
DC/DC output
Step-down
Operating
frequency[MHz]
LDO output
Reset detection
voltage[V]
Package
Datasheet
SM8172A
Step-down
DC/DC+LDO+
RESET
4.5 to 5.5
0.8 to 1.8V
900mA
2.0(typ)
3.3V(typ)
450mA
3.7(typ)
SON-10-025030-2
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[Battery Charger]
Device
Features
Supply voltage
[V]
Current consumption
(max)[mA]
Package
Datasheet
SM6781B
Ni-MH/Ni-Cd battery charger IC
First charge termination by -ΔV
3 selectable charge times
Charge condition LED indicator output
4.0 to 5.5
0.5
VSOP-8-031044-1
(95KB)
[White LED Driver]
Device
Drive system
Target white LED
[pcs]
Input/Output voltage range
[V]
Switching frequency
(typ)
Package
Datasheet
VIN
VOUT
SM8121A
Switching regulator by PWM
2 to 6
(connected in series)
2.3 to 5.5
V
IN
to 25
1.0MHz
SOT23-5
SON-6-016026-1
(309KB)
SM8136A
1 or 1.5 - times charge pump
1 to 3
(connected in parallel)
2.7 to 4.6
5.0
±0.5V
(max)
1MHz
QFN-12-020020-1
(112KB)
[EL Driver]
Device
Target Foil size
[cm
2
]
Supply voltage range
[V]
Maximum EL drive voltage
[Vp-p]
EL drive frequency range
[Hz]
Features
Package
Datasheet
SM8142B
Up to 30
1.6 to 5.5
200
31 to 1000
Enable function
SON-8-029028-1
VSOP-8-031044-1
(313KB)
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