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S-1200 Series
www.sii-ic.com
HIGH RIPPLE-REJECTION LOW DROPOUT LOW INPUT-AND-OUTPUT
CAPACITANCE CMOS VOLTAGE REGULATOR
Seiko Instruments Inc., 2003-2010
Rev.5.0_00
Seiko Instruments Inc.
1
The S-1200 Series is a positive voltage regulator with a low dropout voltage, high output voltage accuracy
developed based on CMOS technology.
A 0.1
μF small ceramic capacitor can be used. It operates with low current consumption of 18 μA typ.
A built-in Output current protector prevents the load current from exceeding the current capacitance of the
output transistor.
Compared with the voltage regulators using the conventional CMOS process, small ceramic capacitors are also
available. Furthermore a small HSNT-6A packages realize high-density mounting.
Features
Output voltage:
1.5 V to 5.5 V, selectable in 0.1 V steps.
Low ESR capacitor can be used: A ceramic capacitor of 0.1 μF or more can be used for the output
capacitor.
Wide input voltage range:
2.0 V to 10.0 V
High-accuracy output voltage:
±1.0%
Low dropout voltage:
140 mV typ. (3.0 V output product, IOUT = 100 mA)
Low current consumption:
During operation: 18
μA typ., 40 μA max.
During shutdown:
0.01
μA typ., 1.0 μA max.
Output current:
150 mA output is possible (@ VIN ≥ VOUT(S) + 1.0 V)
*1
High ripple rejection:
70 dB typ. (@ 1.0 kHz, 1.5 V
≤ V
OUT ≤ 3.0 V)
65 dB typ. (@ 1.0 kHz, 3.1 V
≤ V
OUT ≤ 5.5 V)
Built-in overcurrent protector:
Overcurrent of output transistor can be restricted.
Built-in ON/OFF circuit:
Ensures long battery life.
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
Power supply for battery-powered devices
Power supply for personal communication devices
Power supply for home electric/electronic appliances
Power supply for cellular phones
Packages
SNT-6A(H)
SOT-23-5
HSNT-6A