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Low Drop Voltage Regulator
TLE 4276
Features * * * * * * * * * * * 5 V, 8.5 V, 10 V or variable output voltage Output voltage tolerance 4% 400 mA current capability Low-drop voltage Inhibit input Very low current consumption Short-circuit-proof Reverse polarity proof Suitable for use in automotive electronics Green Product (RoHS compliant) AEC Qualified
P-TO220-5-43
P-TO220-5-3
P-TO220-5-122
P-TO252-5-11
Type TLE 4276 V50 TLE 4276 V85 TLE 4276 V10 TLE 4276 V TLE 4276 SV50 TLE 4276 SV85 TLE 4276 SV
Data Sheet
Package PG-TO220-5-11 PG-TO220-5-11 PG-TO220-5-11 PG-TO220-5-11 PG-TO220-5-12 PG-TO220-5-12 PG-TO220-5-12
1
Type TLE 4276 GV50 TLE 4276 GV85 TLE 4276 GV10 TLE 4276 GV TLE 4276 DV50 TLE 4276 DV
Package PG-TO263-5-1 PG-TO263-5-1 PG-TO263-5-1 PG-TO263-5-1 PG-TO252-5-11 PG-TO252-5-11
Rev. 2.7, 2007-10-23
TLE 4276
Functional Description The TLE 4276 is a low-drop voltage regulator in a TO package. The IC regulates an input voltage up to 40 V to VQ,nom = 5.0 V (V50), 8.5 V (V85), 10 V (V10) and adjustable voltage (V). The maximum output current is 400 mA. The IC can be switched off via the inhibit input, which causes the current consumption to drop below 10 A. The IC is short-circuitproof and includes temperature protection which turns off the device at overtemperature. Dimensioning Information on External Components The input capacitor CI is necessary for compensation of line influences. Using a resistor of approx. 1 in series with CI, the oscillating of input inductivity and input capacitance can be damped. The output capacitor CQ is necessary for the stability of the regulation circuit. Stability is guaranteed at values CQ 22 F and an ESR of 3 within the operating temperature range. Circuit Description The control amplifier compares a reference voltage to a voltage that is proportional to the output voltage and drives the base of the series transistor via a buffer. Saturation control as a function of the load current prevents any oversaturation of the power element. The IC also incorporates a number of internal circuits for protection against: * * * Overload Overtemperature Reverse polarity
Data Sheet
2
Rev. 2.7, 2007-10-23
TLE 4276
PG-TO220-5-11
PG-TO220-5-12
PG-TO263-5-1
PG-TO252-5-11
GND
1
5
1 Q INH N.C. (VA)
5
1
5
1
5
GND INH N.C. (VA)
Q
AEP02560
AEP02043
GND INH N.C. (VA)
Q GND INH N.C. (VA)
AEP02042
Q
AEP02041
Figure 1 Table 1 1 2 3 4 I INH
Pin Configuration (top view) Pin Definitions and Functions Input; block to ground directly at the IC with a ceramic capacitor. Inhibit; low-active input. Ground Not connected for V50, V85, V10 Voltage Adjust Input; only for adjustable version. Connect an external voltage divider to determine the output voltage. Output; block to GND with a 22 F capacitor, ESR 3 at 10 kHz Connect to GND.
Pin No. Symbol Function
GND N.C. VA Q
5 Heatsink
Data Sheet
3
Rev. 2.7, 2007-10-23
TLE 4276
Temperature Sensor
Saturation Control and Protection Circuit 6 Control Amplifier Q
1
Buffer
Bandgap Reference *) **) 2 INH *) For fixed Voltage Regulator only **) For adjustable Voltage Regulator only 4 VA 3 GND
AEB02044
Figure 2
Block Diagram
Data Sheet
4
Rev. 2.7, 2007-10-23
TLE 4276
Table 2 Parameter Input I Voltage Current Inhibit INH Voltage
Absolute Maximum Ratings Symbol Limit Values Min. Max. 45 - 45 10 40 - 100 V - V V V - mA - Internally limited - - - Internally limited - Unit Test Condition
VI II VINH VVA VQ IQ IGND
-42 - -42 -0.3 -1.0 - -
Voltage Adjust Input VA Voltage Output Q Voltage Current Ground GND Current Temperature Junction temperature Storage temperature
Tj Tstg
-40 -50
150 150
C C
- -
Note: Maximum ratings are absolute ratings; exceeding any one of these values may cause irreversible damage to the integrated circuit.
Table 3 Parameter
ESD Rating Symbol Limit Values Min. Max. - V Human Body Model Unit Notes
ESD Capability
VESD,HBM 2000
Data Sheet
5
Rev. 2.7, 2007-10-23
TLE 4276
Table 4 Parameter Input voltage Input voltage Input voltage
Operating Range Symbol Limit Values Min. Max. 40 40 40 150 65 80 4
3
Unit Remarks V V V C Fixed voltage devices V50, V85, V10 Variable device V Variable device V, VQ < 4 V -
VI VI VI Tj Rthj-a Rthj-a Rthj-c
VQ + 0.5 VQ + 0.5
4.5 V -40 - - -
Junction temperature Thermal Resistance Junction ambient Junction ambient Junction case
K/W TO220 K/W TO252, TO2631) K/W -
1) Package mounted on PCB 80 x 80 x 1.5mm ; 35 Cu; 5 Sn; Footprint only; zero airflow.
Data Sheet
6
Rev. 2.7, 2007-10-23
TLE 4276
Table 5
Characteristics
VI = 13.5 V; -40 C < Tj < 150 C (unless otherwise specified)
Parameter Output voltage Symbol Limit Values Min. Typ. Max. 4.8 5.0 5.2 V Unit Measuring Condition Measuring Circuit
VQ
1 V50-Version 5 mA < IQ < 400 mA 6 V < VI < 28 V 1 V50-Version 5 mA < IQ < 200 mA 6 V < VI < 40 V V85-Version 1 5 mA < IQ < 400 mA 9.5 V < VI < 28 V 1 V85-Version 5 mA < IQ < 200 mA 9.5 V < VI < 40 V 1 V10-Version 5 mA < IQ < 400 mA 11 V < VI < 28 V V10-Version 1 5 mA < IQ < 200 mA 11 V < VI < 40 V 1 V-Version R2 < 50 k VQ + 1 V VI 40 V VI > 4.5 V 5 mA IQ 400 mA - 1 1
Output voltage
VQ
4.8
5.0
5.2
V
Output voltage
VQ
8.16 8.50
8.84
V
Output voltage
VQ
8.16 8.50
8.84
V
Output voltage
VQ
9.6
10.0
10.4
V
Output voltage
VQ
VQ
9.6
10.0
10.4
V
Output voltage tolerance
-4
-
4
%
Output current limitation1) Current consumption; Iq = II - IQ Current consumption; Iq = II - IQ Current consumption; Iq = II - IQ
Data Sheet
IQ Iq
400 -
600 -
1100 mA 10 A
VINH = 0 V; Tj 100 C IQ = 1 mA
Iq
-
100
220
A
1
Iq
-
5
10
mA
IQ = 250 mA
1
7
Rev. 2.7, 2007-10-23
TLE 4276
Table 5
Characteristics (cont'd)
VI = 13.5 V; -40 C < Tj < 150 C (unless otherwise specified)
Parameter Current consumption; Iq = II - IQ Drop voltage1) Symbol Limit Values Min. Typ. Max. - 15 25 mA Unit Measuring Condition Measuring Circuit 1
Iq
IQ = 400 mA
VDR
-
250
500
mV
V50, V85, V10 IQ = 250 mA VDR = VI - VQ variable devices IQ = 250 mA VI > 4.5 V VDR = VI - VQ Vl = 12 V to 32 V IQ = 5 mA
1
Drop voltage1)
VDR
-
250
500
mV
1
Load regulation VQ,Lo Line regulation Power supply ripple rejection Temperature output voltage drift Inhibit Inhibit on voltage Inhibit off voltage Input current VQ,Li
- - -
5 15 54 0.5
35 25 - -
mV mV dB -
IQ = 5 mA to 400 mA 1
1 1 mV/K
PSRR
fr = 100 Hz; Vr = 0.5 Vpp
-
dVQ/dT -
VINH VINH IINH
- 0.5 5
2 1.7 10
3.5 - 20
V V A
VQ 4.9 V VQ 0.1 V VINH = 5 V
1 1 1
1) Measured when the output voltage VQ has dropped 100 mV from the nominal value obtained at VI = 13.5 V.
Data Sheet
8
Rev. 2.7, 2007-10-23
TLE 4276
Input
II
100 F 100 nF
I1
5Q
IQ CQ
22 F
Output
TLE 4276
R 1*) VQ R 2*) RL
IINH VI VINH
INH
2
3 GND
4
*)
VA Voltage Adjust
*) Optional
for adjustable Voltage Regulator
AES02045
Figure 3
Measuring Circuit
Input
I1
5Q
Output
CI
e.g. KL 15 INH 2
TLE 4276 4 GND
*)
CQ
R 1*)
3
VA
Voltage Adjust
R 2*)
*) Optional
for adjustable Voltage Regulator
AES02046
Figure 4
Application Circuit
Data Sheet
9
Rev. 2.7, 2007-10-23
TLE 4276
Application Information for Variable Output Regulator TLE 4276 V, SV, DV, GV The output voltage of the TLE 4276 V can be adjusted between 2.5 V and 20 V by an external output voltage divider, closing the control loop to the voltage adjust pin VA. The voltage at pin VA is compared to the internal reference of typical 2.5 V in an error amplifier. It controls the output voltage.
5Q
Internal Reference 2.5 V Typical
Vref
Current and Saturation Control 4 VA
R1
CQ
22 F
R2
AEB02804
Figure 5
Application Detail External Components at Output for Variable Voltage Regulator
The output voltage is calculated according to Equation (1):
VQ = (R1 + R2)/R2 x Vref, neglecting IVA Vref is typically 2.5 V.
(1)
To avoid errors caused by leakage current IVA, we recommend to choose the resistor value R2 according to Equation (2):
R2 < 50 k
(2)
For a 2.5 V output voltage the output pin Q is directly connected to the adjust pin VA. The accuracy of the resistors R1 and R2 add an additional error to the output voltage tolerance. The operation range of the variable TLE 4276 V is VQ + 0.5 V to 40 V. For internal biasing a minimum input voltage of 4.3 V is required. For output voltages below 4 V the voltage drop is 4.3 V - VQ
Data Sheet 10 Rev. 2.7, 2007-10-23
TLE 4276
Typical Performance Characteristics (V50, V85 and V10): Voltage VDR versus Output Current IQ
VDR
600 mV
AED03017
Max. Output Current IQ versus Input Voltage VI
800 mA
AED03020
IQ
500
400
T j = 125 C
600
T j = 25 C VQ = 0 V
400
300
200
T j = 25 C
100
200
0
0
100
200
300 mA 400
0
0
10
20
30
40 V 50
IQ
VI
Current Consumption Iq versus Output Current IQ (high load)
60
AED03021
Current Consumption Iq versus Output Current IQ (low load)
0.6
AED03022
Iq mA
50
Iq mA
0.5
40
0.4
T j = 25 C VI = 13.5 V
30
0.3
T j = 25 C VI = 13.5 V
20
0.2
10
0.1
0
0
100
200 300 400
mA 600
0
0
10
20
30
40
mA
60
IQ
Data Sheet 11
IQ
Rev. 2.7, 2007-10-23
TLE 4276
Typical Performance Characteristics for V50: Output Voltage VQ versus Temperature Tj
5.2
AED03081
Current Consumption Iq versus Input Voltage VI
30 mA
AED01967
VQ
V
q
5.1
20
VI = 13.5 V
5.0
T j = 25 C R L = 20 10
4.9
4.8 -40
0
40
80
120 C 160
0
0
10
20
30
Tj
V V
50
Low Voltage Behavior
6
AED01968
High Voltage Behavior
3.5 mA II 3.0 2.5
AED03082_4276
VQ
V 5
VQ
4
2.0
VI = VQ
3
1.5
T j = 25 C R L = 20
2
T j = 25 C R L = 6.8 k
1.0 0.5
1
0 -2 -50
0
0
2
4
6
8 V 10
-25
0
25
V
50
VI
Data Sheet 12
VI
Rev. 2.7, 2007-10-23
TLE 4276
Typical Performance Characteristics for V85: Output Voltage VQ versus Temperature Tj
9.0
AED03018
Current Consumption Iq versus Input Voltage VI
30
AED03025
VQ
V
Iq mA
25
VI = 13.5 V
8.5
20
T j = 25 C R L = 34
15
8.0
10
5
7.5 -40
0
40
80
120 C 160
0
0
10
20
30
40 V 50
Tj
VI
Low Voltage Behavior
12 VQ V 10 VQ 8 V =VQ 6 T j = 25 C R L = 34 4
AED01972
High Voltage Behavior
3.5 mA II 3.0 2.5 2.0 1.5 1.0 0.5
AED03080_4276
T j = 25 C R L = 10 k
2
0 -2 -50
0
0
4
8
12
16 V 20 V
-25
0
25
V
50
VI
13 Rev. 2.7, 2007-10-23
Data Sheet
TLE 4276
Typical Performance Characteristics for V10: Output Voltage VQ versus Temperature Tj
10.5
AED03019
Current Consumption Iq versus Input Voltage VI
30
AED03023
VQ V
Iq mA
25
VI = 13.5 V
10.0
20
T j = 25 C R L = 40
15
9.5
10
5
9.0 -40
0
40
80
120 C 160
0
0
10
20
30
40 V 50
Tj
VI
Low Voltage Behavior
12
AED03024
High Voltage Behavior
3.5 mA II 3.0 2.5
AED03079_4276
VQ V
10
VQ
8
2.0
VI = VQ
6
1.5
T j = 25 C R L = 40
4
T j = 25 C R L = 12 k
1.0 0.5
2
0 -2 -50
0
0
4
8
12
16 V 20
-25
0
25
V
50
VI
Data Sheet 14
VI
Rev. 2.7, 2007-10-23
TLE 4276
Package Outlines
10 0.2 9.9 0.2 8.5 1) 3.7 -0.15
A 4.4 1.27 0.1
15.65 0.3
17 0.3
2.8 0.2
12.95
0...0.3
1)
9.25 0.2
8.6 0.3
10.2 0.3
3.7 0.3
C 0.5 0.1 3.9 0.4
0...0.15 5 x 0.8 0.1 4 x 1.7
1)
0.25
M
AC
8.4 0.4
Typical All metal surfaces tin plated, except area of cut.
1.6 0.3
0.05 2.4
GPT09064
Figure 6
PG-TO220-5-11 (Plastic Transistor Single Outline)
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).
You can find all of our packages, sorts of packing and others in our Infineon Internet Page "Products": http://www.infineon.com/products. SMD = Surface Mounted Device Data Sheet 15 Dimensions in mm Rev. 2.7, 2007-10-23
TLE 4276
10 0.2 9.9 0.2 8.5 3.7 -0.15
1)
A B 4.4 1.27 0.1
15.65 0.3
17 0.3
2.8 0.2
12.95
0...0.3
1)
11 0.5
C 0...0.15
13 0.5
0.5 0.1 5 x 0.8 0.1 2.4
M
4 x 1.7
1)
0.25
ABC
Typical Metal surface min. X = 7.25, Y = 12.3 All metal surfaces tin plated, except area of cut.
9.25 0.2
0.05 2.4
GPT09065
Figure 7
PG-TO220-5-12 (Plastic Transistor Single Outline)
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).
You can find all of our packages, sorts of packing and others in our Infineon Internet Page "Products": http://www.infineon.com/products. SMD = Surface Mounted Device Data Sheet 16 Dimensions in mm Rev. 2.7, 2007-10-23
TLE 4276
4.4 10 0.2 0...0.3 8.5 1) A 1.27 0.1 B 0.05
10.3
(15)
9.25 0.2
7.55 1)
2.4 0.1
0...0.15 5 x 0.8 0.1 4 x 1.7 0.25
M
4.7 0.5
2.7 0.3
0.5 0.1
AB
8 MAX.
0.1 B
1) Typical Metal surface min. X = 7.25, Y = 6.9 All metal surfaces tin plated, except area of cut.
GPT09113
Figure 8
PG-TO263-5-1 (Plastic Transistor Single Outline)
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).
You can find all of our packages, sorts of packing and others in our Infineon Internet Page "Products": http://www.infineon.com/products. SMD = Surface Mounted Device Data Sheet 17 Dimensions in mm Rev. 2.7, 2007-10-23
TLE 4276
6.5 +0.15 -0.05 5.7 MAX.
(4.24) 1 0.1
1)
A B
0.8 0.15
2.3 +0.05 -0.10 0.5 +0.08 -0.04
(5)
9.98 0.5 6.22 -0.2
0.9 +0.20 -0.01 0...0.15
0.51 MIN.
0.15 MAX. per side
5 x 0.6 0.1 1.14
0.5 +0.08 -0.04 0.1 B
4.56
0.25 M A B
1) Includes mold flashes on each side. All metal surfaces tin plated, except area of cut.
GPT09527
Figure 9
PG-TO252-5-11 (Plastic Transistor Single Outline)
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).
You can find all of our packages, sorts of packing and others in our Infineon Internet Page "Products": http://www.infineon.com/products. SMD = Surface Mounted Device Data Sheet 18 Dimensions in mm Rev. 2.7, 2007-10-23
TLE 4276
Revision History
Version Rev. 2.7 Rev. 2.6
Date
Changes
2007-10-23 Page 17: Corrected package outline drawing of PG-TO263-5-1 2007-03-20 Initial version of RoHS-compliant derivate of TLE 4276 Page 1: AEC certified statement added Page 1 and Page 15: RoHS compliance statement and Green product feature added Page 1 and Page 15: Package changed to RoHS compliant version Legal Disclaimer updated 2004-12-23 Added ESD capability information in table "Maximum Ratings".
Rev. 2.5
Data Sheet
19
Rev. 2.7, 2007-10-23
Edition 2007-10-23 Published by Infineon Technologies AG 81726 Munich, Germany
(c) 2007 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. Infineon Technologies components may be used in life-support devices or systems only with the express written approval of Infineon Technologies, if a failure of such components can reasonably be expected to cause the failure of that life-support device or system or to affect the safety or effectiveness of that device or system. Life support devices or systems are intended to be implanted in the human body or to support and/or maintain and sustain and/or protect human life. If they fail, it is reasonable to assume that the health of the user or other persons may be endangered.

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