S-1335 Series
www.ablic.com
www.ablicinc.com
© ABLIC Inc., 2012-2014
HIGH RIPPLE-REJECTION SOFT-START FUNCTION
CMOS VOLTAGE REGULATOR
Rev.1.3
_02
The S-1335 Series, developed by using the CMOS technology, is a positive voltage regulator IC of 150 mA output current,
which has low dropout voltage, high-accuracy output voltage and soft-start function.
The rising time of output voltage immediately after power-on or after the ON / OFF pin is set to ON is adjustable. A 1.0
F
small ceramic capacitor can be used. It operates with low current consumption of 36
A
typ. Furthermore the overcurrent
protection circuit prevents the load current from exceeding the capacity of output transistor.
SOT-23-5, SC-82AB and super small HSNT-4 (1010) packages realize high-density mounting.
Features
Output voltage:
Input voltage:
Output voltage accuracy:
Dropout voltage:
Current consumption:
Output current:
Input and output capacitors:
Ripple rejection:
Built-in soft-start circuit:
1.0 V to 3.6 V, selectable in 0.05 V step
1.5 V to 5.5 V
1.0%
(1.0 V to 1.45 V output product:
15
mV)
70 mV typ. (2.8 V output product, I
OUT
= 100 mA)
During operation: 36
A
typ., 54
A
max.
During power-off: 0.1
A
typ., 1.0
A
max.
*1
Possible to output 150 mA (V
IN
V
OUT(S)
1.0 V)
A ceramic capacitor of 1.0
F
or more can be used.
70 dB typ. (f = 10 kHz, V
OUT(S)
2.5 V)
80 dB typ. (f = 1.0 kHz)
The rising time of output voltage immediately after power-on or after the
ON / OFF pin is set to ON is adjustable.
The soft-start time of SOT-23-5 can be switched to t
SS0
= 0.1 ms typ. /
t
SS1
= 1.0 ms typ. with the SST pin.
The soft-start time of SC-82AB is fixed to t
SS0
= 0.1 ms typ.
The soft-start time of HSNT-4 (1010) is fixed to either t
SS0
= 0.1 ms typ.
or t
SS1
= 1.0 ms typ.
Limits overcurrent of output transistor.
Ensures long battery life.
Ta =
40°C
to
85°C
Built-in overcurrent protection circuit:
Built-in ON / OFF circuit:
Pull-down resistor is selectable.
Discharge shunt function is selectable.
Operation temperature range:
Lead-free (Sn 100%), halogen-free
*1.
Attention should be paid to the power dissipation of the package when the output current is large.
Applications
Constant-voltage power supply for digital still camera, TV
Constant-voltage power supply for battery-powered device
Constant-voltage power supply for cellular phone
Constant-voltage power supply for portable equipment
Packages
SOT-23-5
SC-82AB
HSNT-4 (1010)
1
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