Automotive ICs

Automotive, 125°C Operation, 36 V Input, 40 mA Voltage Regulator with Reset Function S-19310 Series

Related products
S-19310(Monitors output voltage of built-in LDO voltage regulator)
S-19315(Monitors voltage at SENSE pin connection)
S-19316(Monitors input voltage of built-in LDO voltage regulator)

Automotive, 125°C Operation, 36 V Input, 40 mA Voltage Regulator with Input Monitoring Reset Function S-19310/5/6 Series Reduces standby current

The S-19310 Series, developed by using high-withstand voltage CMOS process technology, is a positive voltage regulator with the reset function, which has high-withstand voltage and low current consumption.
Regarding a release signal output in the reset function, the S-19310 Series enables delay time adjustment by an external capacitor. Output form of the reset function is selectable from Nch open-drain output or CMOS output.

Thermal simulation service
ABLIC Inc. offers a “thermal simulation service” which supports the thermal design in conditions when our power management ICs are in use by customers. Our thermal simulation service will contribute to reducing the risk in the thermal design at customers development stage.
For more information regarding our thermal simulation service, contact our sales representatives.

FIT rate calculation
ABLIC Inc. offers FIT rate calculated based on actual customer usage conditions in order to support customer functional safety design.
For more information regarding our FIT rate calculation, contact our sales representatives.

Caution: This product can be used in vehicle equipment and in-vehicle equipment. Before using the product for these purposes, it is imperative to contact our sales representatives.


Regulator block

Output voltage
2.9 V to 5.3 V, selectable in 0.1 V step
Input voltage
3.0 V to 36.0 V
Output voltage accuracy
±2.0% (Tj = −40°C to +125°C)
Dropout voltage
240 mV typ. (VOUT(S) = 5.0 V, IOUT = 30 mA)
Output current
Possible to output 40 mA (VIN = VOUT(S) + 2.0 V)*1
Input and output capacitors
A ceramic capacitor can be used. (1.0 μF or more)
Built-in overcurrent protection circuit
Limits overcurrent of output transistor
Built-in thermal shutdown circuit
Detection temperature 160°C typ.

Detector block

Detection voltage
2.6 V to VOUT(S) − 0.3 V, selectable in 0.1 V step
Operation voltage
A type: 1.8 V to 36.0 V
B type: 2.5 V to 36.0 V 
Detection voltage accuracy
±2.0% (Tj = −40°C to +125°C)
Hysteresis width selectable from "Available" / "Unavailable"
"Available": 5.0% ≤ VHYS ≤ 30.0% (Tj = −40°C to +125°C)
"Unavailable": VHYS = 0%
Release delay time accuracy
±20% (CD = 3.3 nF, Tj = −40°C to +125°C)
Output form
Nch open-drain output
CMOS output


Current consumption
2.2 μA typ. (Tj = −40°C to +125°C)
Operation temperature range
Ta = −40°C to +125°C
Lead-free (Sn 100%), halogen-free
Withstand 45 V load dump
AEC-Q100 qualified*2

*1. Please make sure that the loss of the IC will not exceed the power dissipation when the output current is large.
*2. Contact our sales representatives for details.


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Parts List

  • U(Ux), S and G at the end of the product name of ABLIC Inc. were used to indicate different material specifications as “environmental code”,
    however, these have now been unified into “lead-free and halogen-free” and are identical in terms of environmental quality.
  • Note: Lead-free plating other than 100% Sn is applied to some limited old products, therefore, please contact our sales representatives for details.
  • These descriptions may be different from the actual product name and parameter.
    Please confirm the product name and specifications with the data sheet again.
  • The information herein is subject to change without notice.