S-1711 Series
www.sii-ic.com
© Seiko Instruments Inc., 2004-2010
SUPER-SMALL PACKAGE 2-CIRCUIT HIGH RIPPLE-REJECTION
LOW DROPOUT CMOS VOLTAGE REGULATOR
Rev.3.0
_00
The S-1711 Series is a 2-channel positive voltage regulator with a low dropout voltage, high output voltage accuracy, and
low current consumption (150 mA output current) developed based on CMOS technology.
A 1.0
μF
small ceramic capacitor can be used, and a 2-circuit voltage regulator with
±1.0%
high-accuracy output voltage is
incorporated in an SOT-23-6 or super-small SNT-6A package. The A/ B/ E/ F types are provided with a discharge shunt
function allowing high-speed output response when the ON/OFF pin is used.
Compared with the conventional 150 mA output current 2-channel CMOS voltage regulators, high-density mounting is
realized by using the super-small SNT-6A package and a small ceramic capacitor. Also, the low current consumption
makes the S-1711 Series ideal for mobile devices.
Features
1.5 V to 5.5 V, selectable in 0.1 V steps.
A ceramic capacitor of 1.0
μF
or more can be used for the output capacitor.
2.0 V to 6.5 V
±1.0%
200 mV typ. (3.0 V output product, I
OUT
=
150 mA)
During operation:
70
μA
typ., 90
μA
max. (Per circuit)
During shutdown: 0.1
μA
typ., 1.0
μA
max.
150 mA output is possible (at V
IN
≥
V
OUT(S)
+
1.0 V)
*1
(Per circuit)
•
Output current:
•
High ripple rejection:
70 dB typ. (at 1.0 kHz)
•
Built-in overcurrent protector:
Overcurrent of output transistor can be restricted.
•
Built-in ON/OFF circuit:
Ensures long battery life.
•
Discharge shunt circuit can be selected.
•
Pull-down or pull-down resistor can be selected.
•
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.
•
Output voltage:
•
Low ESR capacitor can be used:
•
Wide input voltage range:
•
High-accuracy output voltage:
•
Low dropout voltage:
•
Low current consumption:
Applications
•
Power supply for cellular phones
•
Power supply for battery-powered devices
•
Power supply for home electric/electronic appliances
Packages
•
SNT-6A
•
SNT-23-6
Seiko Instruments Inc.
1
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