This document provides information about the usage of the TLS715B0NAV50 Demoboard.
The OPTIREG™ Linear TLS715B0NAV50 is a voltage regulator with ultra low quiescent current from Infineon
Technologies AG. The OPTIREG™ Linear TLS715B0NAV50 is available in the PG-TSNP-7 package.
Please also refer to the corresponding Data Sheet for device-specific information.
Intended audience
This document is as intended for engineers who develop applications.
This document describes the demoboard for the TLS715B0NAV50 and explains its functionality. It includes a
brief summary of the used passive components, as well as a short explanation on how to use the demoboard
currectly. The description of the TLS715B0NAV50 is not subject of this document. Specifications and
parameters for the device shall be taken form the corresponding datasheet.
Table 1 provides an overview of the family members of TLS710/TLS715B0 voltage regulators.
The OPTIREG™ Linear TLS715B0NAV50 is a low dropout linear voltage regulator for load current up to 150 mA.
An input voltage of up to 40V is regulated to V
The TLS715B0NAV50, with a typical quiescent current of 36 µA, is the ideal solution for systems requiring very
low operating current, such as those permanently connected to the battery.
It features a very low dropout voltage of 180 mV, when the output current is less than 100 mA. In addition, the
dropout region begins at input voltages of 4.0 V (extended operating range). This makes the TLS715B0NAV50
suitable to supply automotive systems with start-stop requirements.
The device can be switched on and off by the Enable feature.
In addition, the new fast regulation concept of the TLS715B0NAV50 requires only a single 1µF output capacitor
to maintain stable regulation.
The device is designed for the harsh environment of automotive applications. Therefore, standard features
like output current limitation and overtemperature shutdown are implemented and protect the device
against failures like output short circuit to GND, over-current and over-temperature. The TLS715B0NAV50 can
be also used in all other applications requiring a stabilized 5 V supply voltage.
= 5 V with ±2% precision.
Q,nom
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Bandgap
Reference
GND
Q
I
Current
Limitation
Temperature
Shutdown
Enable
EN
OPTIREG™ Linear TLS715B0NAV50 Demoboard
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Introduction
1.2TLS715B0NAV50 Feature List
•Wide input voltage range from 4.0 V to 40 V
•Output voltage 5V
•Output voltage accuracy ±2 %
•Output current up 150 mA
•Low current consumption of 36 µA
•Very low dropout voltage of typ. 180 mV at 100 mA output current
•Stable with small output capacitor of 1 µF
•Enable
•Overtemperature shutdown
•Output current limitation
•Wide temperature range from -40 °C up to 150 °C
•Green Product (RoHS compliant)
1.3Block Diagram
Figure 1 shows the block diagram of TLS715B0NAV50.
Figure 1 Block Diagram of TLS715B0NAV50
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Demoboard
2Demoboard
Figure 2 shows a TLS715B0NAV50 Demoboard.
Figure 2 TLS715B0NAV50 Demo Board
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Demoboard
2.1Operating Conditions
To avoid any electrical damage of the Demoboard, the maximum operating range defined in Table 2 must be
followed.
Table 2 Operating Range
1)
ParameterSymbolLimit ValuesUnitNote
Min.Max.
Board Supply
2)
VIN045VPower supply
Regulator OutputVOUT07VRegulated output voltage
Enable SignalEN045
3)
VEnable signal to switch on the regulator
GroundGND00VSystem GND
1) The Demo Board operates at ambient temperature of 25°C.
2) Functional input voltage range starts from 4 V to 40 V.
3) Absolute max rating.
2.2Board Configuration
The TLS715B0NAV50 Demoboard can be easily configured via jumpers on the board. The board provides the
following configuration options:
•Bypassing the reverse protection diode D2 via solder option SJ1
•Connecting enable signal with the supply voltage VIN (CON1)
•Placeholder for additional input capacitor (C2)
•Placeholder for additional output capacitor (C5)
•Placeholder for additional bulk input capacitor (C3)
•Placeholder for EN-input filter capacitance (C6)
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Demoboard
2.2.1Enable Function
The jumper on the pin header JP_EN1 can be used to connect the EN signal to a external source via the
corresponding banana jack, or to GND, or to VIN. An overview of the different options is given in Table 3
“Jumper JP_EN1 setting for enable function” on Page 7.
Figure 3 Illustration of the two possible jumper positions
Table 3 Jumper JP_EN1 setting for enable function
JP_EN1Enable Function
openEN is connected to the EN banana jack and can be driven by an external source
1)
Please consider placing C6 in this configuration to buffer EN when using long supply leads
Short pins 1,2EN is connected to the supply voltage VIN; the regulator is enabled when it is supplied
Short pins 2,3EN is shorted to GND and the regulator remains disabled
1) When no signal is applied externally, the regulator will remain disabled due to the internal pull-down resistor on EN
2.2.2Signal Adaption
For easy signal adaption e.g. connecting probes for an oscilloscope, connectors TP_VIN, TP_I , TP_EN,
TP_VOUT and TP_GND can be used.
Table 4 Signals on connector
ConnectorAccessible Signals
TP_VIN- VIN (input voltage including reverse polarity protection diode)
TP_I- Regulator pin input voltage
TP_EN- EN (enable input signal)
TP_VOUT- VOUT (output voltage)
TP_GND- GND
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Schematic and Layout
3Schematic and Layout
3.1Schematic
Figure 4 Schematic of TLS715B0NAV50 Demoboard
3.2Layout
Figure 5 Top Layer of TLS715B0NAV50 Demoboard
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Schematic and Layout
Figure 6 Bottom Layer of TLS715B0NAV50 Demoboard
Figure 7 Top Layer components of TLS715B0NAV50 Demoboard
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Bill of Material
4Bill of Material
Table 5 Bill of Material
PartValuePackage
VIN, VOUT, GND, ENBanana jackBABU4MM
C1100 nF/50 VC0805
C2n.p. (10 uF/50 V)C1206
C3n.p. (47 uF/50V)E5-8,5
C41 uF/16 VC0805
C5n.p. (10 uF/16 V)C1206
C6n.p. (470 nF/50 V)C0805
CON1,JP_EN–4/3 - pin header 2.54mm pitch
D1SM4004SMA
R10Ω R0805
R2n.p. (100 kΩ)R0805
TP_EN,TP_GND,TP_I,TP_VIN,TP_V
OUT
SJ1–solder jumper
D1SM4004diode
IC1TLS715B0NAV50PG-TSNP-7
–TEST POINT, KEYSTONE 5000
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General Information
5General Information
5.1Restrictions
This Demoboard is offering limited features allowing you only to evaluate and test the Infineon products. The
Demoboard is not an end product (or finished appliance), nor is it intended or authorized by Infineon to be
integrated into end products. You are not authorized to use the Demoboard in any production system.
5.2Additional Information
•For further information you may contact http://www.infineon.com/
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Revision History
6Revision History
RevisionDateChanges
1.02019-09-24Initial version.
User manual12Rev. 1.0
2019-09-24
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Trademarks of Infineon Technologies AG
All referenced product or service names and trademarks are the property of their respective owners.
Do you have a question about any
aspect of this document?
Email: erratum@infineon.com
Document reference
Z8F66967599
The information contained in this application note is
given as a hint for the implementation of the product
only and shall in no event be regarded as a description
or warranty of a certain functionality, condition or
quality of the product. Before implementation of the
product, the recipient of this application note must
verify any function and other technical information
given herein in the real application. Infineon
Technologies hereby disclaims any and all warranties
and liabilities of any kind (including without limitation
warranties of non-infringement of intellectual
property rights of any third party) with respect to any
and all information given in this application note.
The data contained in this document is exclusively
intended for technically trained staff. It is the
responsibility of customer’s technical departments to
evaluate the suitability of the product for the intended
application and the completeness of the product
information given in this document with respect to
such application.
For further information on technology, delivery terms
and conditions and prices, please contact the nearest
Infineon Technologies Office (www.infineon.com).
WARNINGS
Due to technical requirements products may contain
dangerous substances. For information on the types
in question please contact your nearest Infineon
Technologies office.
Except as otherwise explicitly approved by Infineon
Technologies in a written document signed by
authorized representatives of Infineon Technologies,
Infineon Technologies’ products may not be used in
any applications where a failure of the product or any
consequences of the use thereof can reasonably be
expected to result in personal injury.
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