Power Supply / Driver Products

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
Detasheet
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 PDF

Battery Charger

Device
Features
Supply
voltage
[V]
Current
consumption (max)
[mA]
Package
Detasheet
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 PDF

White LED Driver

Device
Drive system
Target white LED
[pcs]
Input/Output voltage range[V]
 Switching
frequency(typ)
[MHz]
Package
Detasheet
VIN
VOUT
SM8121A Switching regulator by PWM 2 to 6
(connected in series)
2.3 to 5.5 VIN to
25
1.0 SOT23-5 PDF
SM8136A 1 or 1.5 – times charge pump 1 to 3
(connected in parallel)
2.7 to 4.6 5.0
±0.5V (max)
1 QFN-12-020020-1 PDF

EL Driver

Device
Target
Foil size
[cm²]
Supply
voltage
[V]
Maximum
EL drive voltage
[Vpp]
EL drive
frequency range
[Hz]
Features
Package
Detasheet
SM8142B Up to 30 1.6 to 5.5 200 31 to 1000 Enable function SON-8-029028-1
VSOP-8-031044-1
PDF

 

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