IFX25001
Low dropout voltage regulator
Features
•
Output voltages: 3.3 V, 5.0 V
•
Output current up to 400 mA
•
Low current consumption
•
Wide input voltage functional range up to 40 V / max. rating 45 V
•
Low dropout voltage
•
Output current limitation
•
Reverse polarity protection
•
Overtemperature shutdown
•
Wide temperature range, -40°C to 125°C
•
Green product (RoHS compliant)
Potential applications
•
Manufacturing automation
•
Appliances
•
HDTV and game consoles
•
Network routers
Product validation
Qualified for industrial applications according to the relevant tests of JEDEC.
Description
The IFX25001 is a low dropout linear voltage regulator available as 3.3 V and 5 V version. Capable of supplying
continuous output currents up to 400 mA and offering a wide functional input voltage range up to 40 V the
IFX25001 is suitable for a large variety of applications. In addition it is also protected against overload, short
circuit and overtemperature conditions.
Type
Package
Marking
IFX25001 ME V33
PG-SOT223-4
25001B
IFX25001 TF V33
PG-TO252-3
2500133
IFX25001 TF V50
PG-TO252-3
2500150
IFX25001 TC V50
PG-TO263-3
25001V50
Data Sheet
www.infineon.com
1
Rev. 1.10
2019-04-02
IFX25001
Low dropout voltage regulator
Block diagram
1
Block diagram
Saturation
Control and
Protection
Circuit
Temperature
Sensor
Ι
Q
Control
Amplifier
Buffer
Bandgap
Reference
GND
AEB01959
Figure 1
Data Sheet
Block diagram
2
Rev. 1.10
2019-04-02
IFX25001
Low dropout voltage regulator
Pin configuration
2
Pin configuration
2.1
Pin assignment PG-SOT223-4, PG-TO252-3, PG-TO263-3
GND
GND
GND
4
1
1
I
2
3
GND
Q
1
2
2
3
3
GND
I
Q
I
SOT223 (SC73).vsd
GND
Q
PG-TO252-3-11.vsd
PG-TO263-3-1.vsd
Figure 2
Pin Configuration (top view)
2.2
Pin definitions and functions PG-SOT223-4, PG-TO252-3, PG-TO263-3
Pin No.
Symbol Function
1
I
Input
connect Input pin to positive DC voltage source (e.g. battery);
a small filter capacitor connected close to the Input pin and GND is recommended
2
GND
Ground
internally connected to heat slug pin
3
Q
Output
connect a capacitor close to the Output pin and GND according to the values
specified in “Functional range” on Page 4
4 / Heat slug
GND
Heat Slug
internally connected to GND pin;
connect to heatsink to improve thermal performance
Data Sheet
3
Rev. 1.10
2019-04-02
IFX25001
Low dropout voltage regulator
General product characteristics
3
General product characteristics
3.1
Absolute maximum ratings
Absolute maximum ratings1)
Tj = -40 °C to 150 °C; all voltages with respect to ground, (unless otherwise specified)
Pos.
Parameter
Symbol
Limit Values
Min.
Max.
Unit
Test Condition
Input I
3.1.1
Voltage
VI
-42
45
V
–
Voltage
VQ
-1
40
V
–
Output Q
3.1.2
Temperature
3.1.3
Junction temperature
Tj
-40
150
°C
–
3.1.4
Storage temperature
Tstg
-50
150
°C
–
1) not subject to production test, specified by design
Note:
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.
Note:
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.
3.2
Functional range
Pos.
3.2.1
Parameter
Input voltage
3.2.2
Symbol
Limit Values
Unit Remarks
Min.
Max.
VI
4.7
40
V
IFX25001 ME V33
IFX25001 TF V33
VI
5.5
40
V
IFX25001 TF V50
IFX25001 TC V50
CQ
22
–
µF
1)
3.2.6
Output capacitor’s
Requirements for stability
ESR(CQ)
–
3
Ω
2)
3.2.7
Junction temperature
Tj
-40
125
°C
–
3.2.5
1) the minimum output capacitance requirement is applicable for a worst case capacitance tolerance of 30%
2) relevant ESR value at f = 10 kHz
Note:
Data Sheet
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.
4
Rev. 1.10
2019-04-02
IFX25001
Low dropout voltage regulator
General product characteristics
3.3
Thermal resistance
Note:
This thermal data was generated in accordance with JEDEC JESD51 standards. For more
information, go to www.jedec.org.
Pos.
Parameter
Symbol
Limit Values
Min.
Typ.
Max.
Unit
Conditions
PG-TO252-3
3.3.1
Junction to case1)
RthJC
–
4
–
K/W
measured to heat
slug
3.3.2
Junction to ambient1)
RthJA
–
27
–
K/W
2)
3.3.3
RthJA
–
57
–
K/W
300 mm2 heatsink
area3)
3.3.4
RthJA
–
42
–
K/W
600 mm2 heatsink
area3)
PG-TO263-3
3.3.5
Junction to case1)
RthJC
–
4
–
K/W
measured to heat
slug
3.3.6
Junction to ambient1)
RthJA
–
22
–
K/W
2)
3.3.7
RthJA
–
42
–
K/W
300 mm2 heatsink
area3)
3.3.8
RthJA
–
33
–
K/W
600 mm2 heatsink
area3)
PG-SOT223-4
3.3.10
Junction to case1)
RthJC
–
25
–
K/W
measured to heat
slug
3.3.11
Junction to ambient2)
RthJA
–
51
–
K/W
2)
3.3.12
RthJA
–
75
–
K/W
300 mm2 heatsink
area3)
3.3.13
RthJA
–
63
–
K/W
600 mm2 heatsink
area3)
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+Package) was simulated on a 76.2 x 114.3 x 1.5 mm3 board with 2 inner copper layers (2 x 70µm Cu, 2 x 35µm
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+Package) was simulated on a 76.2 × 114.3 × 1.5 mm3 board with 1 copper layer (1 x 70µm Cu).
Data Sheet
5
Rev. 1.10
2019-04-02
IFX25001
Low dropout voltage regulator
Electrical characteristics
4
Electrical characteristics
4.1
Electrical characteristics voltage regulator
Electrical Characteristics
VI =13.5 V; Tj = -40 °C to 125 °C; all voltages with respect to ground (unless otherwise specified)
Pos.
Parameter
Symbol
Limit Values
Min.
Typ.
Max.
Unit
Measuring Condition
Output Q
4.1.1
Output voltage
VQ
4.8
5.0
5.2
V
IFX25001 TF V50
IFX25001 TC V50
5 mA < IQ< 400 mA
6 V < VI < 28 V
4.1.2
Output voltage
VQ
3.17
3.3
3.44
V
IFX25001 ME V33,
IFX25001 TF V33
5 mA < IQ< 400 mA
4.7 V < VI < 28 V
4.1.4
Dropout voltage
Vdr
–
250
500
mV
IFX25001 TF V50,
IFX25001 TC V50,
IQ = 250 mA
Vdr = VI – VQ1)
4.1.5
Dropout voltage
Vdr
–
0.7
1.2
V
IFX25001 ME V33,
IFX25001 TF V33;
IQ = 300 mA
Vdr = VI – VQ1)
4.1.7
Load regulation
ΔVQ, lo
–
20
50
mV
IFX25001 TF V50,
IFX25001 TC V50,
IQ = 5 mA to 400 mA
VI = 6 V
4.1.9
Load regulation
ΔVQ, lo
–
40
70
mV
IFX25001 ME V33,
IFX25001 TF V33,
IQ = 5 mA to 300 mA
VI = 6 V
4.1.10
Line regulation
ΔVQ, li
–
10
25
mV
Vl = 12 V to 32 V
IQ = 5 mA
4.1.11
Output current limitation
IQ
400
600
1100 mA
1)
4.1.12
Power supply ripple rejection2)
PSRR
–
60
–
dB
fr = 100 Hz; Vr = 0.5 Vpp
4.1.13
Temperature output voltage
drift2)
dV Q
----------dT
–
0.5
–
mV/K
–
4.1.14
Overtemperature shutdown
threshold
Tj,sd
151
–
200
°C
Tj increasing2)
Iq
–
100
220
μA
IQ = 1 mA
Current Consumption
4.1.15
Data Sheet
Quiescent current
Iq = II – IQ
6
Rev. 1.10
2019-04-02
IFX25001
Low dropout voltage regulator
Electrical characteristics
Electrical Characteristics
VI =13.5 V; Tj = -40 °C to 125 °C; all voltages with respect to ground (unless otherwise specified)
Pos.
4.1.16
4.1.17
Parameter
Current consumption
Iq = II – IQ
Symbol
Limit Values
Unit
Measuring Condition
Min.
Typ.
Max.
Iq
–
8
15
mA
IQ = 250 mA
Iq
–
20
30
mA
IQ = 400 mA
1) Measured when the output voltage VQ has dropped 100 mV from the nominal value obtained at VI = 13.5 V.
2) not subject to production test, specified by design
Data Sheet
7
Rev. 1.10
2019-04-02
IFX25001
Low dropout voltage regulator
Electrical characteristics
4.2
Typical performance characteristics voltage regulator (V50 variants)
Dropout voltage Vdr versus
output current IQ
Vdr
Output current IQ versus
input voltage VI
AED01962
600
mV
IQ
AED01963
800
mA
500
600
400
T j = 25 ˚C
VQ = 0 V
T j = 125 ˚C
400
300
200
200
T j = 25 ˚C
100
0
0
100
200
0
300 mA 400
0
10
20
30
40 V 50
VI
IQ
Current consumption Iq versus
output current IQ (high load)
Current consumption Iq versus
output current IQ (low load)
AED02267
60
Iq mA
Iq mA
50
0.5
40
0.4
T j = 25 ˚C
VI = 13.5 V
30
T j = 25 ˚C
VI = 13.5 V
0.3
20
0.2
10
0.1
0
0
100
200 300 400
mA
0
600
0
10
20
30
40
mA
60
IQ
IQ
Data Sheet
AED02268
0.6
8
Rev. 1.10
2019-04-02
IFX25001
Low dropout voltage regulator
Electrical characteristics
4.2.1
Typical performance characteristics voltage regulator (V50 variants)
Output voltage VQ versus
junction temperature TJ
Current consumption Iq versus
input voltage VI
AED01966
5.2
AED02269
30
VQ V
Ιq
mA
5.1
20
VI = 13.5 V
T j = 25 C
R L = 20 Ω
5.0
10
4.9
4.8
-40
0
40
80
0
120 ˚C 160
0
10
20
30
Tj
Output voltage VQ versus
input voltage VI
Input current II versus
input voltage VI
AED01968
6
VQ
50
V
VΙ
V
VQ
5
AED01977
3.5
mA
II
3.0
2.5
4
2.0
VI = VQ
3
1.5
T j = 25 ˚C
R L = 20 Ω
T j = 25 ˚C
R L = 8.2 k Ω
1.0
2
0.5
1
0
0
0
2
4
6
-2
-50
8 V 10
VI
Data Sheet
-25
0
25
V
50
VI
9
Rev. 1.10
2019-04-02
IFX25001
Low dropout voltage regulator
Electrical characteristics
4.2.2
Typical performance characteristics voltage regulator (V33 variants)
Output voltage VQ versus
junction temperature TJ
Input current II versus
input voltage V I
AED02288
3.5
AED01969
3.5
mA
II
3.0
VQ V
3.4
2.5
VI = 6 V
3.3
2.0
1.5
3.2
T j = 25 ˚C
R I = 3.3 k Ω
1.0
3.1
0.5
3.0
2.9
-40
0
0
40
80
-2
-50
120 ˚C 160
0
25
V
50
VI
Tj
Data Sheet
-25
10
Rev. 1.10
2019-04-02
IFX25001
Low dropout voltage regulator
Electrical characteristics
4.2.3
Typical performance characteristics voltage regulator (V33 variants)
Current consumption Iq versus
output current IQ (Low Load)
Current consumption Iq versus
output current IQ high load)
AED02268
0.6
Iq mA
Iq mA
0.5
50
T j = 25 ˚C
VI = 13.5 V
0.4
40
0.3
30
0.2
20
0.1
10
0
0
10
20
30
AED02267
60
40
mA
0
60
IQ
T j = 25 ˚C
VI = 13.5 V
0
100
200 300 400
mA
600
IQ
Output current IQ versus
input voltage VI
AED02287
800
mA
ΙQ
600
T j = 25 C
VQ = 0 V
400
200
0
Data Sheet
0
10
20
30
40 V 50
VΙ
11
Rev. 1.10
2019-04-02
IFX25001
Low dropout voltage regulator
Package information
5
Package information
6.5 +0.15
-0.10
2.3 +0.05
-0.10
0.51 MIN.
0.15 MAX.
per side
0.9 +0.08
-0.04
B
0.8 ±0.15
5.4
9.9 ±0.5
6.22 -0.2
1 ±0.1
A
±0.1
3x
0.75 ±0.1
0...0.15
0.5 +0.08
-0.04
2.28
1 ±0.1
4.57
0.25
M
A B
0.1
All metal surfaces tin plated, except area of cut.
Figure 3
PG-TO252-3 1)
4.4
10 ±0.2
1.27 ±0.1
B
0.1
A
8.5 1)
0.05
2.4
2.7 ±0.3
4.7 ±0.5
7.55 1)
(15)
9.25 ±0.2
1 ±0.3
0...0.3
0...0.15
0.75 ±0.1
0.5 ±0.1
1.05
8˚ MAX.
2.54
5.08
0.25
M
A B
1) Typical
All metal surfaces: tin plated, except area of cut.
Metal surface min. x=7.25, y=6.9
Figure 4
PG-TO263-3
0.1 B
GPT09362
1)
1) Dimensions in mm
Data Sheet
12
Rev. 1.10
2019-04-02
IFX25001
Low dropout voltage regulator
Package information
1.6 ±0.1
6.5 ±0.2
0.1 MAX.
2
B
0.5 MIN.
1
+0.2
acc. to
DIN 6784
3.5 ±0.2
4
7 ±0.3
3 ±0.1
15˚ MAX.
A
3
0.28 ±0.04
2.3
0.7 ±0.1
4.6
0.25
Figure 5
M
A
0.25
M
B
PG-SOT223-4 1)
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
Data Sheet
13
Rev. 1.10
2019-04-02
IFX25001
Low dropout voltage regulator
Revision history
6
Revision history
Table 1
Revision history
Revision
Date
Changes
1.10
2019-04-02
- Discontinued product variants removed from data sheet
- Editiorial changes
1.02
2009-05-20
- Editorial change (fig. 2)
1.01
2009-05
- Coverpage changed
- Overview page: Inserted reference statement to TLE/TLF series
1.00
2009-04-28
- Initial release
Data Sheet
14
Rev. 1.10
2019-04-02
Trademarks
All referenced product or service names and trademarks are the property of their respective owners.
Edition 2019-04-02
Published by
Infineon Technologies AG
81726 Munich, Germany
© 2019 Infineon Technologies AG.
All Rights Reserved.
Do you have a question about any
aspect of this document?
Email: erratum@infineon.com
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IMPORTANT NOTICE
The information given in this document shall in no
event be regarded as a guarantee of conditions or
characteristics ("Beschaffenheitsgarantie").
With respect to any examples, hints or any typical
values stated herein and/or any information regarding
the application of the product, 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.
In addition, any information given in this document is
subject to customer's compliance with its obligations
stated in this document and any applicable legal
requirements, norms and standards concerning
customer's products and any use of the product of
Infineon Technologies in customer's applications.
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).
Please note that this product is not qualified
according to the AEC Q100 or AEC Q101 documents of
the Automotive Electronics Council.
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
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