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S-19311 Series
FOR AUTOMOTIVE 125°C OPERATION HIGH-WITHSTAND VOLTAGE
www.sii-ic.com
CMOS VOLTAGE REGULATOR WITH RESET FUNCTION
© SII Semiconductor Corporation, 2015-2017
Rev.1.1_00
The S-19311 Series, developed by using high-withstand voltage CMOS technology, is a positive voltage regulator with the
reset function, which has high-withstand voltage and high-accuracy output voltage. This IC has a built-in low on-resistance
output transistor which provides a small dropout voltage and a large output current. Also, a built-in overcurrent protection
circuit to limit overcurrent of the output transistor and a built-in thermal shutdown circuit to limit heat are included.
High heat radiation TO-252-5S(A) and HSOP-8A packages enable high-density mounting.
Caution This product can be used in vehicle equipment and in-vehicle equipment. Before using the product in
the purpose, contact to SII Semiconductor Corporation is indispensable.
Features
Regulator block
Output voltage:
Input voltage:
Output voltage accuracy:
Dropout voltage:
Output current:
Input and output capacitors:
Ripple rejection:
Built-in overcurrent protection circuit:
Built-in thermal shutdown circuit:
3.0 V to 5.3 V, selectable in 0.1 V step
4.0 V to 36.0 V
±2.0% (Tj = 40°C to +150°C)
120 mV typ. (5.0 V output product, IOUT = 100 mA)
Possible to output 200 mA (VIN = VOUT(S) + 1.0 V)*1
A ceramic capacitor of 2.2 μF or more can be used.
70 dB typ. (f = 100 Hz)
Limits overcurrent of output transistor.
Detection temperature 170°C typ.
Detector block
Detection voltage:
Detection voltage accuracy:
Hysteresis width:
Release delay time:
Output form:
2.6 V to 5.0 V, selectable in 0.1 V step
±100 mV (Tj = 40°C to +150°C)
0.12 V min.
18 ms typ. (CDLY = 47 nF)
Nch open-drain output (Built-in pull-up resistor)
Overall
Current consumption:
Operation temperature range:
Lead-free (Sn 100%), halogen-free
Withstand 45 V load dump
AEC-Q100 qualified*2
During operation: 60 μA typ., 95 μA max. (Tj = 40°C to +150°C)
Ta = 40°C to +125°C
*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 office for details.
Applications
Constant-voltage power supply and reset circuit for automotive electric component
For automotive use (engine, transmission, suspension, ABS, related-devices for EV / HEV / PHEV, etc.)
Packages
TO-252-5S(A)
HSOP-8A
1

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FOR AUTOMOTIVE 125°C OPERATION HIGH-WITHSTAND VOLTAGE CMOS VOLTAGE REGULATOR WITH RESET FUNCTION
S-19311 Series
Rev.1.1_00
Block Diagram
*1
VIN
Overcurrent protection circuit
Thermal
shutdown
circuit
Reference
voltage
circuit
+
VOUT
VSS
*1. Parasitic diode
Reference
voltage
circuit
Voltage
detection
circuit
Figure 1
+
DLY
*1
RO
*1
2

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FOR AUTOMOTIVE 125°C OPERATION HIGH-WITHSTAND VOLTAGE CMOS VOLTAGE REGULATOR WITH RESET FUNCTION
Rev.1.1_00
S-19311 Series
AEC-Q100 Qualified
This IC supports AEC-Q100 for operation temperature grade 1.
Contact our sales office for details of AEC-Q100 reliability specification
Product Name Structure
Users can select the output voltage and detection voltage for the S-19311 Series. Refer to "1. Product name"
regarding the contents of product name, "3. Packages" regarding the package drawings and "4. Product name
list" for details of product names.
1. Product name
S-19311 B x x A - xxxx U 4
Environmental code
U: Lead-free (Sn 100%), halogen-free
Package abbreviation and IC packing specifications*1
V5T2: TO-252-5S(A), Tape
E8T1: HSOP-8A, Tape
Operation temperature
A: Ta = 40°C to +125°C
*1. Refer to the tape drawing.
*2. Refer to "2. Product option list".
Detection voltage*2
F to Z, 0 to 5
Output voltage*2
C to Z, 0, 1
Product type
B: With DLY pin, VOUT detection (Detector)
2. Product option list
2. 1 Output voltage
Set Output
Voltage
Symbol
5.3 V
C
5.2 V
D
5.1 V
E
5.0 V
F
4.9 V
G
4.8 V
H
4.7 V
J
4.6 V
K
4.5 V
L
4.4 V
M
4.3 V
N
4.2 V
P
Set Output
Voltage
4.1 V
4.0 V
3.9 V
3.8 V
3.7 V
3.6 V
3.5 V
3.4 V
3.3 V
3.2 V
3.1 V
3.0 V
Symbol
Q
R
S
T
U
V
W
X
Y
Z
0
1
2. 2 Detection voltage
Set Detection
Voltage
Symbol
5.0 V
F
4.9 V
G
4.8 V
H
4.7 V
J
4.6 V
K
4.5 V
L
4.4 V
M
4.3 V
N
4.2 V
P
4.1 V
Q
4.0 V
R
3.9 V
S
3.8 V
T
Remark Set output voltage Set detection voltage + 0.3 V
Set Detection
Voltage
3.7 V
3.6 V
3.5 V
3.4 V
3.3 V
3.2 V
3.1 V
3.0 V
2.9 V
2.8 V
2.7 V
2.6 V
Symbol
U
V
W
X
Y
Z
0
1
2
3
4
5
3