OPTIREG™ Linear TLT807B0EPV
Low dropout adjustable standby voltage regulator for truck
applicati ons
Features
•
Adjustable output voltage at ±2% accuracy for output current up to 70 mA
•
Very low current consumption: typically 36 µA
•
Very low dropout voltage
•
Input voltage up to 42 V
•
Overvoltage protection up to 58 V (< 400 ms)
•
Enable input, active high
•
Protection functions:
– Output current limitation for overload and short circuit conditions
– Reverse polarity protection
– Overtemperature shutdown
•
Wide temperature range -40°C to 150°C
•
Infineon automotive quality
•
Grade 1 for extended mission profiles
•
Green Product (RoHS compliant)
Potential applications
•
24 V applications, such as:
– Truck applications
– Commercial Agricultural Vehicle (CAV) applications
– Construction vehicle applications
•
x-EV applications
•
Applications that are permanently connected to the battery
Product validation
Qualified for automotive applications with extended lifetime requirements. Product validation according to
AEC-Q100.
Description
The TLT807B0EPV is a monolithic integrated low dropout adjustable voltage regulator in a small surface
mounted package for the harsh environment of automotive applications.
Datasheet
www.infineon.com/OPTIREG-Linear
1
Rev. 1.01
2019-03-07
OPTIREG™ Linear TLT807B0EPV
Low dropout adjustable standby voltage regulator for truck applications
Type
Package
Marking
TLT807B0EPV
PG-TSDSO-14
T807B0
Datasheet
2
Rev. 1.01
2019-03-07
OPTIREG™ Linear TLT807B0EPV
Low dropout adjustable standby voltage regulator for truck applications
Table of contents
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Potential applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Product validation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Table of contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2
2.1
2.2
Pin configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Pin assignment PG-TSDSO-14 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Pin definitions and functions PG-TSDSO-14 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
3
3.1
3.2
3.3
General product characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Functional range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Thermal resistance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4
4.1
4.2
4.3
4.4
4.5
4.6
Block description and electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Voltage regulation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Typical performance characteristics voltage regulation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Current consumption . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Typical performance characteristics current consumption . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Enable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Typical performance characteristics enable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
5
Application information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
6
Package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
7
Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Datasheet
3
6
6
7
7
Rev. 1.01
2019-03-07
OPTIREG™ Linear TLT807B0EPV
Low dropout adjustable standby voltage regulator for truck applications
Block diagram
1
Block diagram
I
Q
Current
Limitation
EN
ADJ
Enable
Temperature
Shutdown
Bandgap
Reference
GND
Figure 1
Datasheet
Block diagram
4
Rev. 1.01
2019-03-07
OPTIREG™ Linear TLT807B0EPV
Low dropout adjustable standby voltage regulator for truck applications
Pin configuration
2
Pin configuration
2.1
Pin assignment PG-TSDSO-14
I
N.C.
N.C.
EN
N.C.
N.C.
GND
14
13
12
11
10
9
8
1
2
3
4
5
6
7
Q
N.C.
N.C.
ADJ
N.C.
N.C.
N.C.
PGSSOP14_PinOut.vsd
Figure 2
2.2
Pin assignment
Pin definitions and functions PG-TSDSO-14
Pin No.
Symbol Function
1
I
Input
In order to compensate line influence, it is recommended to connect a small
ceramic capacitor (for example 100 nF) to GND, close to the pins.
4
EN
Enable input
with integrated pull-down resistor.
•
“high” signal enables the TLT807B0EPV
•
“low” signal disables the TLT807B0EPV
7
GND
Ground
11
ADJ
Voltage adjustment
Connect a resistive divider to determine the output voltage.
14
Q
Output
Connect an output capacitor CQ to GND close to the pins. CQ must maintain
the capacitance and ESR values specified in “Functional range” on Page 7
2, 3, 5, 6, 8, 9, 10, 12, 13 N.C.
Not connected
Exposed Pad
Exposed pad
Connect to GND and heatsink area
Datasheet
EP
5
Rev. 1.01
2019-03-07
OPTIREG™ Linear TLT807B0EPV
Low dropout adjustable standby voltage regulator for truck applications
General product characteristics
3
General product characteristics
3.1
Absolute maximum ratings
Table 1
Absolute maximum ratings1)
Tj = -40°C to 150°C; all voltages with respect to ground (unless otherwise specified)
Parameter
Symbol
Values
Unit Note or Test Condition
Number
Min. Typ. Max.
Input I, Enable EN
Voltage
VI, VEN
-42
–
45
V
–
P_4.1.1
Voltage
VI, VEN
-42
–
58
V
t < 400 ms
P_4.1.2
VQ
-0.3 –
36
V
–
P_4.1.3
VADJ
-0.3 –
16
V
–
P_4.1.4
Junction temperature
Tj
-40
–
150
°C
–
P_4.1.5
Storage temperature
Tstg
-55
–
150
°C
–
P_4.1.6
–
2
kV
Human Body Model (HBM)2)
P_4.1.7
750
V
Charged Device Model
(CDM)3) at all pins
P_4.1.8
Output Q
Voltage
Adjust ADJ
Voltage
Temperature
ESD susceptibility
ESD susceptibility to GND
VESD,HBM -2
ESD susceptibility to GND
VESD,CDM -750 –
1) Not subject to production test, specified by design
2) ESD susceptibility Human Body Model “HBM” according to AEC-Q100-002 - JESD22-A114
3) ESD susceptibility Charged Device Model “CDM” according to ESDA STM5.3.1
Note:
1. Stresses above the ones listed here may cause permanent damage to the device. Exposure to absolute
maximum rating conditions for extended periods may affect device reliability.
2. Integrated protection functions are designed to prevent IC destruction under fault conditions described in
the data sheet. Fault conditions are considered as “outside” normal operating range. Protection functions
are not designed for continuous repetitive operation.
Datasheet
6
Rev. 1.01
2019-03-07
OPTIREG™ Linear TLT807B0EPV
Low dropout adjustable standby voltage regulator for truck applications
General product characteristics
3.2
Table 2
Functional range
Functional range
Parameter
Symbol
VI
Input voltage range
Values
Min.
Unit Note or
Test Condition
Typ. Max.
4.7or
–
42
V
–1)
P_4.2.1
VQ,nom + Vd
Number
r
Output capacitor’s requirements for
stability2)
CQ
1
–
–
µF
–3)
P_4.2.2
Output capacitor’s ESR requirements
for stability
ESR(CQ) –
–
4
Ω
–
P_4.2.3
Tj
–
150
°C
–
1) The minimum input voltage is the higher one of the following values: 4.7 V and VQ,nom + Vdr.
Junction temperature
-40
P_4.2.4
2) Not subject to production test, specified by design.
3) The minimum output capacitance requirement is applicable for a worst case capacitance tolerance of 30%.
Note:
Within the functional or operating range, the IC operates as described in the circuit description.
The electrical characteristics are specified within the conditions given in the Electrical
Characteristics table.
3.3
Thermal resistance
Note:
This thermal data was generated in accordance with JEDEC JESD51 standards. For more
information, go to www.jedec.org.
Table 3
Thermal Resistance
Parameter
Symbol
Values
Unit Note or Test Condition
Number
P_4.3.1
Min. Typ. Max.
TLT807B0EPV (PG-TSDSO-14)
Junction to case1)
RthJC
–
14
–
K/W Measured to heat slug
Junction to ambient
RthJA
–
47
–
K/W FR4 2s2p board2)
Junction to ambient
Junction to ambient
Junction to ambient
RthJA
RthJA
RthJA
–
–
–
143
66
56
–
–
–
P_4.3.2
3)
K/W FR4 1s0p board, footprint only
P_4.3.3
3)
P_4.3.4
3)
P_4.3.5
K/W FR4 1s0p board, 300 mm² heatsink area
K/W FR4 1s0p board, 600 mm² heatsink area
1) Not subject to production test, specified by design.
2) Specified RthJA value is according to Jedec JESD51-2,-5,-7 at natural convection on FR4 2s2p board; The Product (Chip
and package) was simulated on a 76.2 x 114.3 x 1.5 mm³ board with 2 inner copper layers (2 x 70 µm Cu,
2 x 35 µm Cu). Where applicable a thermal via array under the exposed pad contacted the first inner copper layer.
3) Specified RthJA value is according to Jedec JESD 51-3 at natural convection on FR4 1s0p board; The Product (Chip and
package) was simulated on a 76.2 × 114.3 × 1.5 mm3 board with 1 copper layer (1 x 70 µm Cu).
Datasheet
7
Rev. 1.01
2019-03-07
OPTIREG™ Linear TLT807B0EPV
Low dropout adjustable standby voltage regulator for truck applications
Block description and electrical characteristics
4
Block description and electrical characteristics
4.1
Voltage regulation
The output voltage VQ feeds a resistive divider. The fraction voltage from the output of the resistive divider
feeds the ADJ pin. The TLT807B0EPV compares the voltage at the ADJ pin to an internal voltage reference, and
drives the pass transistor accordingly.
Stability
The control loop stability of the TLT807B0EPV depends on:
•
output capacitor CQ
•
load current
•
chip temperature
To ensure stable operation, the output capacitor CQ must maintain the capacitance and ESR values specified
in “Functional range” on Page 7. For details see the typical performance graph Output capacitor series
resistor ESR(CQ) versus Output current IQ. Size the output capacitor according to the application’s needs,
so that it can buffer load steps.
Compensation for line influence
An input capacitor CI is recommended to compensate line influence. An additional reverse polarity protection
diode and a combination of several capacitors for filtering should be used. Connect the capacitors close to the
pins of the TLT807B0EPV.
Current limit
If the output current exceeds the specified limit, for example in case of a short circuit, the TLT807B0EPV limits
the output current, which leads to a decrease of the output voltage.
Overtemperature shutdown
In fault condition, for example due to permanent short-circuit at the output, the overtemperature shutdown
circuit switches off the power stage to prevent the TLT807B0EPV from immediate destruction. After the
TLT807B0EPV cools down, the regulator restarts. If the fault condition persists, oscillatory thermal behaviour
occurs. As a consequence, the junction temperature exceeds the specified maximum value, which reduces the
lifetime of the TLT807B0EPV significantly.
Datasheet
8
Rev. 1.01
2019-03-07
OPTIREG™ Linear TLT807B0EPV
Low dropout adjustable standby voltage regulator for truck applications
Block description and electrical characteristics
II
I
Q
Current
Limitation
EN
Regulated
Output Voltage
IQ
R1
ADJ
CI
Bandgap
Reference
Temperature
Shutdown
Enable
CQ
LOAD
R2
GND
Figure 3
Block diagram voltage regulation
Table 4
Electrical characteristics voltage regulation
VI = 28 V; Tj = -40°C to 150°C; all voltages with respect to ground; positive current flowing out of the pin (unless
otherwise specified); typical values are given at Tj = 25°C
Parameter
Symbol
Values
Unit Note or Test Condition Number
Min. Typ. Max.
VRef
–
1.2
–
V
–
P_5.1.1
Output voltage accuracy
VQ
-2
–
+2
%
100 µA ≤ IQ ≤ 70 mA,
6 V ≤ VI ≤ 36 V,
P_5.1.2
Output voltage adjustable range
VQ
1.2
–
20
V
–
P_5.1.3
Dropout voltage
Vdr
–
250
500
mV
IQ = 70 mA, VQ = 5 V,
Vdr = VI – VQ2)
P_5.1.4
Load regulation
ΔVQ, load -30
-10
10
mV
IQ = 1 mA to 70 mA,
VI = 6 V, VQ = 5 V
P_5.1.5
Line regulation
ΔVQ, line
-20
5
20
mV
Vl = 6 V to 36 V, IQ = 1 mA, P_5.1.6
VQ = 5 V
Output current limitation
IQ,max
71
160
280
mA
2)
P_5.1.10
Power Supply Ripple Rejection
PSRR
–
60
–
dB
fr = 100 Hz, Vr = 0.5 Vpp,
VQ = 5 V
P_5.1.11
Overtemperature shutdown
threshold
Tj,sd
151 175
200
°C
Tj increasing
P_5.1.15
Overtemperature shutdown
threshold hysteresis
Tj,sdh
–
–
°C
Tj decreasing
P_5.1.16
Reference voltage
1)
3)
15
1) Referring to the device tolerance only, the tolerance of the resistor divider can cause additional deviation. Parameter
is tested with the ADJ pin directly connected to the output pin Q.
2) Measured when the output voltage VQ has dropped 100 mV from the nominal value obtained at VI = 28 V.
3) Not subject to production test, specified by design.
Datasheet
9
Rev. 1.01
2019-03-07
OPTIREG™ Linear TLT807B0EPV
Low dropout adjustable standby voltage regulator for truck applications
Block description and electrical characteristics
4.2
Typical performance characteristics voltage regulation
Output voltage VQ versus
Junction temperature Tj
Maximum Output current IQ,max versus
Input voltage VI
1.3
300
Tj = −40 °C
250
1.2
200
IQmax [mA]
VQ [V]
Tj = 25 °C
1.25
1.15
1.1
VI = 28 V
IQ = 1 mA
VQ,nom = 1.2 V
0
50
Tj [°C]
100
50
VQ,nom = 5 V
0
150
Dropout voltage Vdr versus
Junction temperature Tj
500
10
20
VI [V]
30
Tj = −40 °C
IQ = 35 mA
Tj = 25 °C
2.5
IQ = 70 mA
Tj = 150 °C
2
400
ΔVQ,line [mV]
1.5
350
300
1
0.5
250
200
0
150
IQ = 1 mA
VQ,nom = 5 V
−0.5
100
−40
Datasheet
40
3
IQ = 17.5 mA
450
Vdr [mV]
0
Line regulation ΔVQ,line versus
Input voltage VI
600
550
150
100
1.05
1
−40
Tj = 150 °C
0
50
Tj [°C]
100
−1
150
10
10
15
20
VI [V]
25
30
35
Rev. 1.01
2019-03-07
OPTIREG™ Linear TLT807B0EPV
Low dropout adjustable standby voltage regulator for truck applications
Block description and electrical characteristics
Load regulation ΔVQ,load versus
Output current change IQ
Output capacitor series resistor ESR(CQ) versus
Output current IQ
1
2
10
Tj = −40 °C
Unstable Region
Tj = 25 °C
Tj = 150 °C
0
Stable Region
ESR(CQ) [Ω]
ΔVQ,load [mV]
−2
−4
0
10
−6
−8
CQ = 1 μF
VI = 6...42 V
−40°C ≤ T ≤ 150°C
−1
10
VI = 6 V
−10
0
10
20
30
40
IQ [mA]
50
60
70
Power Supply Ripple Rejection PSRR versus
ripple frequency fr
0
10
20
30
40
IQ [mA]
50
60
70
50
60
70
Drop voltage Vdr versus
Output current IQ
100
600
Tj = −40 °C
90
Tj = 25 °C
Tj = 150 °C
500
80
70
400
Vdr [mV]
PSRR [dB]
60
50
300
40
200
30
20
10
0
−2
10
IQ = 10 mA
CQ = 1 μF
VI = 28 V
Vripple = 0.5 Vpp
Tj = 25 °C
VQ,nom = 5 V
−1
10
100
0
1
10
10
2
10
0
3
10
f [kHz]
Datasheet
11
0
10
20
30
40
IQ [mA]
Rev. 1.01
2019-03-07
OPTIREG™ Linear TLT807B0EPV
Low dropout adjustable standby voltage regulator for truck applications
Block description and electrical characteristics
4.3
Table 5
Current consumption
Electrical characteristics current consumption
VI = 28 V; Tj = -40°C to 150°C; all voltages with respect to ground; positive current flowing out of the pin (unless
otherwise specified); typical values are given at Tj = 25°C
Parameter
Symbol
Values
Unit Note or Test Condition
Number
Min. Typ. Max.
Current consumption
Iq = II
Iq,off
–
–
1.5
µA
VEN = 0 V, Tj < 100°C
P_5.3.1
Current consumption
Iq = II – IQ
Iq
–
36
48
µA
IQ = 100 µA, Tj < 85°C
P_5.3.2
Current consumption
Iq = II – IQ
Iq
–
36
54
µA
IQ = 100 µA
P_5.3.3
Current consumption
Iq = II – IQ
Iq
–
4
6
mA
IQ = 70 mA
P_5.3.4
Datasheet
12
Rev. 1.01
2019-03-07
OPTIREG™ Linear TLT807B0EPV
Low dropout adjustable standby voltage regulator for truck applications
Block description and electrical characteristics
4.4
Typical performance characteristics current consumption
Current consumption Iq versus
Output current IQ
Current consumption Iq,off versus
Junction temperature Tj
4000
2
Tj = −40 °C
1.8
Tj = 25 °C
3500
Tj = 85 °C
1.6
Tj = 100 °C
3000
1.4
1.2
Iq,off [μA]
Iq [μA]
2500
2000
1
0.8
1500
0.6
1000
0.4
VI = 28 V
500
0
0
10
20
30
40
IQ [mA]
50
60
0.2
0
−40
70
0
50
100
Tj [°C]
Current consumption Iq versus
Input voltage VI
Current consumption Iq versus
Junction temperature Tj
45
50
40
45
40
35
35
Tj = −40 °C
25
30
Tj = 25 °C
Iq [μA]
Iq [μA]
30
Tj = 85 °C
20
Tj = 100 °C
25
20
15
15
10
10
VIN = 28 V
IQ = 100 μA
VQ=1.2V
5
0
5
Datasheet
10
15
20
25
VI [V]
30
35
VI = 28 V
IQ = 100 μA
5
0
−40
40
13
0
50
Tj [°C]
100
150
Rev. 1.01
2019-03-07
OPTIREG™ Linear TLT807B0EPV
Low dropout adjustable standby voltage regulator for truck applications
Block description and electrical characteristics
4.5
Enable
The enable feature switches the TLT807B0EPV on and off via the voltage applied to the EN pin:
•
connect a “high” signal (for example battery voltage) to enable the TLT807B0EPV
•
connect a “low” signal (for example GND) to disable the TLT807B0EPV
The hysteresis of the enable function prevents the TLT807B0EPV from toggling between on-state and off-state
due to signals with slow slopes at the EN pin.
Table 6
Electrical characteristics enable
VI = 28 V; Tj = -40°C to 150°C; all voltages with respect to ground; positive current flowing out of the pin (unless
otherwise specified); typical values are given at Tj = 25°C
Parameter
Symbol
Values
Unit Note or Test Condition
Number
V
P_5.5.1
Min. Typ. Max.
Enable “high” level voltage
VEN,ON
2
–
–
–
1)
Enable “low” level voltage
VEN,OFF
–
–
0.8
V
Tj ≤ 125°C
P_5.5.2
Enable “low” level voltage
VEN,OFF
–
–
0.4
V
–
P_5.5.3
Enable input current
IEN,ON
–
4
8
µA
VEN = 5 V
P_5.5.5
1) Not subject to production test, specified by design.
Datasheet
14
Rev. 1.01
2019-03-07
OPTIREG™ Linear TLT807B0EPV
Low dropout adjustable standby voltage regulator for truck applications
Block description and electrical characteristics
4.6
Typical performance characteristics enable
Enable input current IEN versus
Input voltage VEN
250
Tj = −40 °C
Tj = 25 °C
Tj = 150 °C
200
IEN [μA]
150
100
50
0
0
Datasheet
10
20
VEN [V]
30
40
15
Rev. 1.01
2019-03-07
OPTIREG™ Linear TLT807B0EPV
Low dropout adjustable standby voltage regulator for truck applications
Application information
5
Application information
Note:
The following information is given as a hint for the implementation of the device only and shall
not be regarded as a description or warranty of a certain functionality, condition or quality of the
device.
II
e.g. Ignition
CI2
10µF
CI1
I
Q
Current
Limitation
EN
Regulated
Output Voltage
IQ
R1
CQ
ADJ
100nF
1µF
VI
Enable
Temperature
Shutdown
Bandgap
Reference
VQ
R2
GND
Figure 4
Note:
Application diagram
This is a very simplified example of an application circuit. The function must be verified in the real
application.
The resistor divider for a specific output voltage can be calculated according to Chapter 5.1. VADJ corrseponds
to VRef and is typically 1.2 V. Additionally the sum of the resistor devider should not exceed the value as stated
in Equation (5.2).
R1
VQ
=
−1
R2
VADJ
(5.1)
R1 + R2 ≤ 250 kΩ
(5.2)
Datasheet
16
Rev. 1.01
2019-03-07
OPTIREG™ Linear TLT807B0EPV
Low dropout adjustable standby voltage regulator for truck applications
Package information
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PG-TSDSO-14
Green Product (RoHS compliant)
To meet the world-wide customer requirements for environmentally friendly products and to be compliant
with government regulations the device is available as a green product. Green products are RoHS-Compliant
(i.e Pb-free finish on leads and suitable for Pb-free soldering according to IPC/JEDEC J-STD-020).
Further information on packages
https://www.infineon.com/packages
Datasheet
17
Rev. 1.01
2019-03-07
OPTIREG™ Linear TLT807B0EPV
Low dropout adjustable standby voltage regulator for truck applications
Revision history
7
Revision history
Revision
Date
Changes
1.01
2019-03-07
Editorial changes
1.00
2017-05-09
Data Sheet
Initial version
Datasheet
18
Rev. 1.01
2019-03-07
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Edition 2019-03-07
Published by
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