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Seiko Instruments Electronic Components Datasheet

S-818 Datasheet

LOW DROPOUT CMOS VOLTAGE REGULATOR

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S-818 pdf
S-818 Series
www.sii-ic.com
© Seiko Instruments Inc., 2000-2015
LOW DROPOUT CMOS VOLTAGE REGULATOR
Rev.3.1_00
The S-818 Series is a positive voltage regulator developed by CMOS technology and featured by low dropout
voltage, high output voltage accuracy and low current consumption.
Built-in low on-resistance transistor provides low dropout voltage and large output current. A ceramic
capacitor of 2 μF or more can be used as an output capacitor. An ON/OFF circuit ensures long battery life.
The SOT-23-5 miniaturized package and the SOT-89-5 package are recommended for configuring portable
devices and large output current applications, respectively.
Features
Output voltage:
2.0 V to 6.0 V, selectable in 0.1 V step
Output voltage accuracy:
±2.0%
Dropout voltage:
170 mV typ. (5.0 V output product, IOUT = 60 mA)
Current consumption:
During operation: 30 μA typ., 40 μA max.
During power-off: 100 nA typ., 500 nA max.
Output current:
Possible to output 200 mA (3.0 V output product, VIN = 4 V)*1
Possible to output 300 mA (5.0 V output product, VIN = 6 V)*1
Output capacitor:
A ceramic capacitor of 2 μF or more can be used.
Built-in ON/OFF circuit:
Ensures long battery life.
Operation temperature range: Ta = 40°C to +85°C
Lead-free, Sn 100%, halogen-free*2
*1. Attention should be paid to the power dissipation of the package when the output current is large.
*2. Refer to “Product Name Structure” for details.
Applications
Constant-voltage power supply for battery-powered device, personal communication device and home
electric/electronic appliance
Packages
SOT-23-5
SOT-89-5
Seiko Instruments Inc.
1


Seiko Instruments Electronic Components Datasheet

S-818 Datasheet

LOW DROPOUT CMOS VOLTAGE REGULATOR

No Preview Available !

S-818 pdf
LOW DROPOUT CMOS VOLTAGE REGULATOR
S-818 Series
Block Diagram
VIN
*1
ON/OFF
VSS
*1. Parasitic diode
ON/OFF
circuit
+
Reference
voltage
Figure 1
Rev.3.1_00
VOUT
2 Seiko Instruments Inc.


Part Number S-818
Description LOW DROPOUT CMOS VOLTAGE REGULATOR
Maker Seiko Instruments
Total Page 30 Pages
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