Type Package
TLE 4264-2 G PG-SOT223-4
5-V Low Drop Fixed Voltage Regulator
TLE 4264-2
P
-
SOT223
-
4
Data Sheet 1 Rev. 2.6, 2008-03-10
Features
Output voltage tolerance ±3% (±2% up to 50 mA)
150 mA current capability
Low-drop voltage
Very low current consumption: 40 µA
Overtemperature protection
Short-circuit proof
Suitable for use in automotive electronics
Reverse polarity proof
Green Product (RoHS compliant)
AEC Qualified
Functional Description
The TLE 4264-2 is a monolithic integrated low-drop fixed voltage regulator which can
supply loads up to 150 mA. It is functional compatible to the TLE 4264, but has a
reduced quiescent current of typ. 40 µA. The TLE 4264-2 is especially designed for all
applications which require very low quiescent currents. The device is available in the
small surface mounted PG-SOT223-4 package. The device is pin compatible to the
TLE 4264. The regulator is designed to supply microprocessor systems under the
severe condition of automotive applications and is therefore equipped with additional
protection against overload, short-circuit and overtemperature. Of course the
TLE 4264-2 can be used in all other applications, wherever a stabilized voltage is
required.
An input voltage VI in the range of 5.5 V < VI < 45 V is regulated to VQ,nom = 5 V with an
accuracy of ±3%. An accuracy of ±2% is kept for a load current range up to 50 mA.
The device operates in the temperature range of Tj = -40 to 150 °C.
Data Sheet 2 Rev. 2.6, 2008-03-10
TLE 4264-2
Figure 1 Pin Configuration (top view)
Table 1 Pin Definitions and Functions
Pin Symbol Function
1I Input voltage; block to ground directly with a ceramic
capacitor
2, 4 GND Ground
3Q 5-V output voltage; block to ground with a capacitor
CQ10 µF, ESR 4
AEP02868
123
4
GNDΙQ
GND
TLE 4264-2
Data Sheet 3 Rev. 2.6, 2008-03-10
Circuit Description
The control amplifier compares a reference voltage, which is kept highly precise by
resistance adjustment, to a voltage that is proportional to the output voltage and drives
the base of the series transistor via a buffer. Saturation control, working as a function of
load current, prevents any over-saturation of the power element. The IC is additionally
protected against overload, overtemperature and reverse polarity.
Figure 2 Block Diagram
Saturation
Control and
Protection
Temperature
Sensor
Adjustment Bandgap
Reference
Q
GND
Ι
Input
GND
Output
AEB02870
Circuit
Amplifier
Control
Buffer
Data Sheet 4 Rev. 2.6, 2008-03-10
TLE 4264-2
Table 2 Absolute Maximum Ratings
Parameter Symbol Limit Values Unit Notes
Min. Max.
Input I
Input voltage VI-42 45 V
Input current II limited internally
Output Q
Output voltage VQ-0.3 32 V
Output current IQ limited internally
Ground GND
Current IGND 50 mA
Temperatures
Junction temperature Tj–150°C–
Storage temperature Tstg -50 150 °C–
Thermal Resistances
Junction-ambient Rthj-a 164 K/W PG-SOT223-41)
Rthj-a 81 K/W PG-SOT223-4, 300
mm2 heat sink area
Junction-pin Rthj-p 17 K/W PG-SOT223-42)
Operating Range
Input voltage VI5.5 45 V
Junction temperature Tj-40 150 °C–
1) Package mounted on PCB 80 ×80 ×1.5mm3; 35µ Cu; 5µ Sn; Footprint only; zero airflow.
2) Measured to pin 4.
TLE 4264-2
Data Sheet 5 Rev. 2.6, 2008-03-10
Table 3 Characteristics
VI = 13.5 V; -40 °C Tj 125 °C, unless specified otherwise
Parameter Symbol Limit Values Unit Test Conditions
Min. Typ. Max.
Output voltage VQ4.85 5.0 5.15 V 5 mA IQ 100 mA
6V VI 21 V
Output voltage VQ4.95.05.1V 5mA IQ 50 mA
9V VI 16 V
Output-current
limiting
IQ150 200 500 mA
Current consumption
Iq = II - IQ
Iq–4060µAIQ = 100 µA,
Tj 85 °C
–4070µAIQ = 100 µA,
Current consumption
Iq = II - IQ
Iq–1.74mAIQ = 50 mA
Drop voltage Vdr –0.220.5VIQ = 100 mA1)
Load regulation VQ, lo 5090mVIQ = 1 to 100 mA
VI = 13.5 V
Line regulation VQ, li –530mVVI = 6 to 28 V
IQ = 1 mA
Power Supply Ripple
Rejection
PSRR –68–dBfr = 100 Hz
Vr = 0.5 Vpp
Output Capacitor CQ10 µF ESR 4 at 10 kHz
1) Drop voltage = VI - VQ (measured where VQ has dropped 100 mV from the nominal value obtained at VI =
13.5 V)
Data Sheet 6 Rev. 2.6, 2008-03-10
TLE 4264-2
Application Information
Figure 3 Application Circuit
In the TLE 4264-2 the output voltage is divided and compared to an internal reference of
2.5 V typical. The regulation loop controls the output to achieve an output voltage of 5 V
with an accuracy of ±3% at an input voltage range of 5.5 V < VI < 45 V.
Figure 4 shows a typical application circuit. For stability of the control loop the
TLE 4264-2 output requires an output capacitor CQ of at least 10 µF with a maximum
permissible ESR of 4 . Tantalum as well as multi layer ceramic capacitors are suitable.
At the input of the regulator an input capacitor is necessary for compensating line
influences (100 nF ceramic capacitor recommended). A resistor of approx. 1 in series
with CI, can damp any oscillation occurring due the input inductivity and the input
capacitor.
In the application circuit shown in Figure 4 an additional electrolytic input capacitor of
470 µF is added in order to buffer supply line influences. This capacitor is recommended,
if the device is sourced via long supply lines of several meters.
The TLE 4264-2 can supply up to 150 mA. However for protection for high input voltage
above 25 V, the output current is reduced (SOA protection).
AES02871
TLE 4264-2
Output
Q
GND
Ι
µ10 F
Input
5.5 to 45 V
100 nF470 Fµ
Data Sheet 7 Rev. 2.6, 2008-03-10
TLE 4264-2
Typical Performance Characteristics
Output Voltage VQ versus
Temperature Tj
Output Voltage VQ versus
Input Voltage VI
Drop Voltage Vdr versus
Output Current IQ
AED03344.VSD
-40
Tj
0 40 80 °C 160
V
VQIQ = 5 mA
4.90
4.95
5.00
5.05
5.10
5.15
AED03345.VSD
0
VI
VQ
246810
0
2
4
6
8
10
V
V
RL = 50
AED03343.VSD
0
IQ
20 40 60 80 100 120 mA 160
0
50
100
150
200
250
300
350
400
mV
Vdr
Tj = 125°C
Tj = 25°C
Tj = -40°C
Data Sheet 8 Rev. 2.6, 2008-03-10
TLE 4264-2
Current Consumption Iq
versus Output Current IQ
Current Consumption Iq
versus Output Current IQ
AED03341.VSD
0
IQ
2 4 6 8 10 12 mA 16
0
50
100
150
200
250
300
350
400
µA
Iq
AED03342.VSD
0
IQ
20 40 60 80 100 120 mA 160
0
1
2
3
4
5
6
7
8
µA
Iq
TLE 4264-2
Data Sheet 9 Rev. 2.6, 2008-03-10
Package Outlines
Figure 4 PG-SOT223-4 (Plastic Small Outline Transistor)
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).
0.25
±0.1
0.7
4.6
MA
1 2
2.3
3
A3
4
±0.1
6.5 ±0.2
DIN 6784
+0.2
acc. to
±0.04
0.25
0.5 MIN.
MB
0.28
0.1 MAX.
15˚
7
±0.3
1.6 ±0.1
3.5
±0.2
B
MAX.
GPS05560
You can find all of our packages, sorts of packing and others in our
Infineon Internet Page “Products”: http://www.infineon.com/products.
Dimensions in mm
SMD = Surface Mounted Device
TLE 4264-2
Revision History
Data Sheet 10 Rev. 2.6, 2008-03-10
Version Date Changes
Rev. 2.6 2008-03-10 Simplified package name to PG-SOT223-4.
No modification of released product.
Rev. 2.5 2007-03-20 Initial version of RoHS-compliant derivate of TLE 4264-2
Page 1: AEC certified statement added
Page 1 and Page 9: RoHS compliance statement and Green
product feature added
Page 1 and Page 9: Package changed to RoHS compliant
version
Legal Disclaimer updated
Edition 2008-03-10
Published by
Infineon Technologies AG
81726 Munich, Germany
© 2008 Infineon Technologies AG
All Rights Reserved.
Legal Disclaimer
The information given in this document shall in no event be regarded as a guarantee of conditions or
characteristics. With respect to any examples or hints given herein, any typical values stated herein and/or any
information regarding the application of the device, 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.
Information
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, components may contain dangerous substances. For information on the types in
question, please contact the nearest Infineon Technologies Office.
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