Product brief
TLS850B0-family
High-performance linear voltage regulator
The TLS850B0 is a high-performance, very low dropout linear voltage regulator for 3.3 V
and 5.0 V supply in a TO263-5 and TO252-5 package.
The input voltage range of 3.0 V to 40 V and a very low quiescent current of 20 µA make it
the perfect match for automotive or other supply systems connected to the battery per-
manently. The new loop concept combines fast regulation and very high stability while
requiring only one small ceramic capacitor of 1 µF at the output. Below an output current
of 100 mA the typical dropout voltage of 100 mV is very low. The operating range starts
at an input voltage of only 3 V (extended operating range). This makes the TLS850B0
suitable for automotive systems that need to operate during cranking condition.
The device can be switched on and o by the enable feature.
Internal protection features like output current limitation and overtemperature shutdown
protect the device from immediate damage.
Application diagram for TLS850B0 for 12 V ECUs
www.infineon.com/voltage-regulator
Enable
Output voltage accuracy: ±2 percent
Dropout voltage: 100 mV
Current consumption: 20 µA
Available in TO252 and TO263 package
Wide operating temperature range:
-40°C ≤ T
j
≤ 150°C
Wide input voltage range
Robust TO252 and TO263 package
Reduces energy consumption,
suitable for stand-by operation
Minimized external BOM
General automotive MCU
power supply
EPS, 2 wheeler dashboard,
instrument cluster
Body electronics, HVAC panel, etc.
Key features
Benefits
Applications
Q
I
C
Q
C
I
Battery
line Load
Current
limitation
Temperature
shutdown
Enable
EN
Product brief
Published by
Infineon Technologies AG
81726 Munich, Germany
© 2018 Infineon Technologies AG.
All Rights Reserved.
Order Number: B124-I0560-V1-7600-EU-EC-P
Date: 04 / 2018
Please note!
THIS DOCUMENT IS FOR INFORMATION PURPOSES ONLY AND
ANY INFORMATION GIVEN HEREIN SHALL IN NO EVENT BE
REGARDED AS A WARRANTY, GUARANTEE OR DESCRIPTION OF
ANY FUNCTIONALITY, CONDITIONS AND/OR QUALITY OF OUR
PRODUCTS OR ANY SUITABILITY FOR A PARTICULAR PURPOSE.
WITH REGARD TO THE TECHNICAL SPECIFICATIONS OF OUR
PRODUCTS, WE KINDLY ASK YOU TO REFER TO THE RELEVANT
PRODUCT DATA SHEETS PROVIDED BY US. OUR CUSTOMERS AND
THEIR TECHNICAL DEPARTMENTS ARE REQUIRED TO EVALUATE
THE SUITABILITY OF OUR PRODUCTS FOR THE INTENDED
APPLICATION.
WE RESERVE THE RIGHT TO CHANGE THIS DOCUMENT AND/OR
THE INFORMATION GIVEN HEREIN AT ANY TIME.
Additional information
For further information on technologies, our products, the
application of our products, delivery terms and conditions
and/or prices, please contact your nearest Infineon Technologies
oice (www.infineon.com).
Warnings
Due to technical requirements, our products may contain
dangerous substances. For information on the types in question,
please contact your nearest Infineon Technologies oice.
Except as otherwise explicitly approved by us in a written
document signed by authorized representatives of Infineon
Technologies, our products may not be used in any life-
endangering applications, including but not limited to medical,
nuclear, military, life-critical or any other applications where a
failure of the product or any consequences of the use thereof
can result in personal injury.
TLS850B0-family
High-performance linear voltage regulator
TLS850B0x Microcontroller
V
O
u
t
V
I
n
–4
1 µ
F
EN
GND
IQ Key features Key benefits
Low drop voltage
(~100 mV)
Suitable for cranking
(stop and start support
from V
In
= 3 V)
Low current
consumption (~20 µA)
Excellent regulation
loop
Longer battery lifetime
BOM cost optimized
stable V
Out
Products
Product name OPN Output current
I
Out
[mA]
Quiescent current
I
q
[µA]
Enable R
thJA
[K/W]
Output voltage
[V]
Package
TLS850B0TBV33 TLS850B0TBV33ATMA1 500 20 Yes 26 3.3 TO263
TLS850B0TBV50 TLS850B0TBV50ATMA1 500 20 Yes 26 5.0 TO263
TLS850B0TEV33 TLS850B0TEV33ATMA1 500 20 Yes 26 3.3 TO252
TLS850B0TEV50 TLS850B0TEV50ATMA1 500 20 Yes 26 5.0 TO252
Demoboards
Product name OPN Description
TLS850B0TB50 BOARD TLS850B0TB50BOARDTOBO1 TLS850B0 Demoboard D²PAK TO263-5, 5.0 V
TLS850B0TB33 BOARD TLS850B0TB33BOARDTOBO1 TLS850B0 Demoboard D²PAK TO263-5, 3.3 V
TLS850B0TE50 BOARD TLS850B0TE50BOARDTOBO1 TLS850B0 Demoboard DPAK TO252-5, 5.0 V
TLS850B0TE33 BOARD TLS850B0TE33BOARDTOBO1 TLS850B0 Demoboard DPAK TO252-5, 3.3 V