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S-13A1 Datasheet, PDF (1/74 Pages) Seiko Instruments Inc – HIGH RIPPLE-REJECTION LOW DROPOUT HIGH OUTPUT CURRENT CMOS VOLTAGE REGULATOR
S-13A1 Series
HIGH RIPPLE-REJECTION LOW DROPOUT
www.sii-ic.com
HIGH OUTPUT CURRENT CMOS VOLTAGE REGULATOR
© SII Semiconductor Corporation, 2011-2016
Rev.2.1_00
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 μF 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:
• Built-in ON / OFF circuit:
• Pull-down resistor is selectable.
• Discharge shunt function is selectable.
• Operation temperature range:
• Lead-free (Sn 100%), halogen-free
1.0 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, IOUT = 300 mA)
During operation: 60 μA typ., 90 μA max.
During power-off: 0.1 μA typ., 1.0 μA max.
Possible to output 1000 mA (VIN ≥ VOUT(S) + 1.0 V)*1
A ceramic capacitor of 2.2 μF 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
(CSS).
Inrush current limit time 0.7 ms typ.
(types in which output voltage is internally set of HSOP-8A, HSOP-6
SOT-89-5, CSS = 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.
Ta = −40°C to +85°C
*1. Please make sure that the loss of the IC will not exceed the power dissipation when the output current is large.
*2. 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
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