S-13A1 Series
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© ABLIC Inc., 2011-2016
HIGH RIPPLE-REJECTION LOW DROPOUT
HIGH OUTPUT CURRENT CMOS VOLTAGE REGULATOR
Rev.2.1
_01
The S-13A1 Series is a positive voltage regulator with a low dropout voltage, high-accuracy output voltage, and low current
consumption developed based on CMOS technology.
A 2.2
F
small ceramic capacitor can be used, and the very small dropout voltage and the large output current due to the
built-in transistor with low on-resistance are provided. The S-13A1 Series includes a load current protection circuit that
prevents the output current from exceeding the current capacity of the output transistor and a thermal shutdown circuit that
prevents damage due to overheating. In addition to the types in which output voltage is set inside the IC, a type for which
output voltage can be set via an external resistor is added to a lineup. Also, the S-13A1 Series includes an inrush current
limit circuit to limit the excess inrush current generated at power-on or at the time when the ON / OFF pin is set to ON. High
heat radiation HSOP-8A and HSOP-6 or small SOT-89-5 and HSNT-6A packages realize high-density mounting.
Features
Output voltage (internally set):
Output voltage (externally set):
Input voltage:
Output voltage accuracy:
Dropout voltage:
Current consumption:
Output current:
Input and output capacitors:
Ripple rejection:
Built-in overcurrent protection circuit:
Built-in thermal shutdown circuit:
Built-in inrush current limit circuit:
1.0 V to 3.5 V, selectable in 0.05 V step
1.05 V to 5.0 V, settable via external resistor
(HSOP-8A, HSOP-6 and SOT-89-5 only)
1.5 V to 5.5 V
1.0%
(internally set, 1.0 V to 1.45 V output product:
15
mV)
70 mV typ. (3.0 V output product, I
OUT
= 300 mA)
During operation: 60
A
typ., 90
A
max.
During power-off: 0.1
A
typ., 1.0
A
max.
*1
Possible to output 1000 mA (V
IN
V
OUT(S)
1.0 V)
A ceramic capacitor of 2.2
F
or more can be used.
70 dB typ. (f = 1.0 kHz)
Limits overcurrent of output transistor.
Prevents damage caused by heat.
Limits excessive inrush current generated at power-on or at the time when
the ON / OFF pin is set to ON.
For types in which output voltage is internally set of HSOP-8A, HSOP-6 and
SOT-89-5 inrush current limit time can be changed via an external capacitor
(C
SS
).
Inrush current limit time 0.7 ms typ.
(types in which output voltage is internally set of HSOP-8A, HSOP-6
SOT-89-5, C
SS
= 1.0 nF)
Inrush current limit time 0.4 ms typ.
(types in which output voltage is internally set of HSOP-8A, HSOP-6,
SOT-89-5, SSC pin = open)
Inrush current limit time 0.4 ms typ.
(types in which output voltage is externally set of HSOP-8A, HSOP-6,
SOT-89-5, types in which output voltage is internally set of HSNT-6A
*2
)
Ensures long battery life.
Built-in ON / OFF circuit:
Pull-down resistor is selectable.
Discharge shunt function is selectable.
Operation temperature range:
Ta =
40°C
to
85°C
Lead-free (Sn 100%), halogen-free
*1.
*2.
Please make sure that the loss of the IC will not exceed the power dissipation when the output current is large.
Types in which output voltage is externally set are unavailable.
Applications
Constant-voltage power supply for battery-powered device
Constant-voltage power supply for TV, notebook PC and home electric appliance
Constant-voltage power supply for portable equipment
Packages
HSOP-8A
HSOP-6
SOT-89-5
HSNT-6A
1
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