S-1721 Series
www.ablic.com
www.ablicinc.com
© ABLIC Inc., 2007-2015
SUPER-SMALL PACKAGE 2-CIRCUIT HIGH RIPPLE-REJECTION
LOW CURRENT CONSUMPTION LOW DROPOUT CMOS VOLTAGE REGULATOR
Rev.2.1
_02
The S-1721 Series, developed using the CMOS technology, is a 2-channel positive voltage regulator IC which has the low
dropout voltage, the high-accuracy output voltage and the low output current consumption of 150 mA.
Users are able to use a small ceramic capacitor of 1.0
F
for this IC. This IC includes two regulator circuits in the package
SOT-23-6 or super-small SNT-6A.
S-1721 Series has much lower current consumption than the S-1711 Series, this IC is ideal for mobile devices.
Features
1.2 V to 5.0 V, selectable in 0.05 V step
1.7 V to 6.5 V
1.0%
130 mV typ. (3.0 V output product, I
OUT
= 100 mA)
During operation:
25
A
typ., 45
A
max. (3.0 V output product, per circuit)
During power-off:
0.1
A
typ., 1.0
A
max.
Possible to output 150 mA (V
IN
V
OUT(S)
1.0 V)
*1
(per circuit)
Output current:
Input and output capacitors:
A ceramic capacitor of 1.0
F
or more can be used.
Ripple rejection:
80 dB typ. (products having the output under 1.8 V, f = 1.0 kHz)
Built-in overcurrent protection circuit: Iimits overcurrent of output transistor.
Built-in ON/OFF circuit:
Ensures long battery life.
Pull-up or pull-down resistor is selectable.
Operation temperature range:
Ta =
40°C
to
85°C
*2
Lead-free, Sn 100%, halogen-free
*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:
Input voltage:
Output voltage accuracy:
Dropout voltage:
Current consumption:
Applications
Constant-voltage power supply for cellular phone
Constant-voltage power supply for battery-powered device
Packages
SNT-6A
SOT-23-6
1
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