lnfineon TLE 4262 User Manual

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5-V Low Drop Voltage Regulator

Features

• Output voltage tolerance ≤ ±2%

• 200 mA output capability

• Low-drop voltage

• Very low standby current consumption

• Overtemperature protection

• Reverse polarity protection

• Short-circuit proof

• Adjustable reset threshold

• Wide temperature range

• Suitable for use in automotive electronics

• Green Product (RoHS compliant)

• AEC Qualified

TLE 4262

P-DSO-14-3, -8, -9, -11, 14

Functional Description

TLE 4262 GM is a 5-V low-drop voltage regulator in a

P/PG-DSO-20-1,-6,-7,-9,-14,-

PG-DSO-14 or PG-DSO-20 SMD package. The maximum input voltage is 45 V. The maximum output current is more than 200 mA. The IC is short-circuit proof and includes a temperature protection which turns off the IC at overtemperature.

The IC regulates an input voltage reset signal is generated for an output voltage of

V

in the range of 6 V < VI < 45 V to V

I

V

< 4.5 V. This voltage threshold can

Q,rt

= 5.0 V. A

Q,nom

be decreased to 3.5 V by external connection of a voltage divider. The reset delay can be set externally with a capacitor. The IC can be switched off via the inhibit input, which reduces the current consumption from 900 µA to typical 0 µA.

Type Package

TLE 4262 GM PG-DSO-14-30 TLE 4262 G PG-DSO-20-35

Data Sheet 1 Rev. 2.8, 2008-05-19

TLE 4262

Dimensioning Information on External Components

C

The input capacitor of approx. 1 Ω in series with input capacitance can be damped. The output capacitor is necessary for the stability of the regulating circuit. Stability is guaranteed at values ≥ 22 µF and an ESR of ≤ 3 Ω within the operating temperature range. For small tolerances of the reset delay, the spread of the capacitance of the dalay capacitor and its temperature coefficient should be noted.

is necessary for compensation of line influences. Using a resistor

I

C

, the oscillating circuit consisting of input inductivity and

I

TLE 4262 G

INH

RO

N.C. GND GND 5

GND

N.C.

D

RADJ

1 2 3 4

6 7 8 9 10

20 19 18 17 16 15 14 13 12

11

AEP01083

Ι

N.C. N.C. GND GND GNDGND GND N.C. N.C. Q

Figure 1 Pin Configuration (top view)

TLE 4262 GM

RO

N.C. GND GND GND

D

RADJ

1 2 3 4 5 6 7

14 13 12 11 10

9 8

AEP02588

INH

Ι

GND GND GND Q N.C.

Data Sheet 2 Rev. 2.8, 2008-05-19

Table 1 Pin Definitions and Functions

TLE 4262

Pin PG-DSO-1430

Pin PG-DSO-2035

Symbol Function

12ROReset output; open-collector output

internally connected to the output via a resistor of 30 kΩ.

2, 8 3, 8, 12, 13,

N.C. Not connected

18, 19

3 - 5, 10 - 12

4 - 7, 14 - 17

GND Ground

69DReset delay; connect capacitor to GND for

setting delay time

710RADJReset threshold; for setting the switching

threshold connect by a voltage divider from output to ground. If this input is connected to GND, reset is triggered at an output voltage of 4.5 V.

911Q5-V output voltage; block to ground by

capacitor with

C ≥ 22 µF, ESR ≤ 3 Ω at

10 kHz.

13 20 I Input voltage; block to ground directly at the

IC by a ceramic capacitor.

14 1 INH Inhibit; TTL-compatible, low-active input

Data Sheet 3 Rev. 2.8, 2008-05-19

TLE 4262

Circuit Description

The control amplifier compares a reference voltage, which is kept highly accurate 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 as a function of the load current prevents any over-saturation of the power element. If the externally scaled down output voltage at the reset threshold input drops below 1.35 V, the external reset delay capacitor is discharged by the reset generator. If the voltage on the capacitor reaches the lower threshold again until the upper threshold to GND, reset is triggered at an output voltage of 4.5 V. The IC can be switched at the TTL-compatible, low-active inhibit input. It also includes a number of internal circuits for protection against:

• Overload

• Overtemperature

• Reverse polarity

V

, a reset signal is issued on the reset output and not cancelled

DRL

V

is exceeded. If the reset threshold input is connected

DU

Temperature

Sensor

13

I

Control Amplifier

Bandgap

Reference

Adjustment

Saturation

Control and

Protection

Circuit

Buffer

INH GND

3-5, 10-1214

Reset

Generator

AEB01081

9

6

1

7

Q

D

RO

RADJ

Figure 2 Block Diagram

Data Sheet 4 Rev. 2.8, 2008-05-19

TLE 4262

Table 2 Absolute Maximum Ratings Parameter Symbol Limit Values Unit Remarks

Min. Max.

Input I

Input voltage Input current

Reset Output RO

Voltage Current

Reset Input RADJ

Voltage

Reset Delay D

Voltage Current

Output Q

Voltage Current

Inhibit INH

Voltage

Ground GND

V I

V

V I

V

I

RO

D

Q

I

RO

RADJ

D

Q

INH

-42 –

-0.3 –

45 –

42 –

V –

-0.3 6 V –

-0.3 –

-5.25 –

42 –

V

–

V –

I

V –

-42 45 V –

– internally limited

Current

I

GND

-0.5 – A –

Temperature

Junction temperature Storage temperature

T

j

T

stg

–

-50

150 150

°C °C

– –

Operating Range

Input voltage Junction temperature T

V

I

j

5.2 45 V

-40 150 °C–

1)

Thermal resistance junction-ambient junction-case

1) Corresponds with characteristics of drop voltage, output current and power description (see diagrams).

2) Package mounted on PCB 80 × 80 × 1.5 mm

3) Measured to pin 4.

R R

thj-a thj-p

– –

3

; 35µ Cu; 5µ Sn; Footprint only; zero airflow.

112 32

K/W K/W

2)

3)

Data Sheet 5 Rev. 2.8, 2008-05-19

TLE 4262

Table 3 Characteristics

V

= 13.5 V; Tj = 25 °C; V

I

Parameter Symbol Limit Values Unit Test Condition

Normal Operation

> 3.5 V; (unless specified otherwise)

INH

Min. Typ. Max.

Output voltage V

Output voltage

Output current limiting Current consumption;

I

= Ii - I

q

Q

Drop voltage

V

I I

I I I

V

Q

q q q q

Load regulation ∆V Line regulation ∆

Power Supply Ripple

V

PSRR –54–dBf

Rejection

Q

DR

Q,lo

Q,li

4.90 5.00 5.10 V 5 mA ≤ IQ ≤ 150 mA; 6 V ≤

-40 °C ≤

V

≤ 28 V;

I

T

≤ 125 °C

j

4.90 5.00 5.10 V 6 V ≤ VI ≤ 32 V;

I

= 100 mA

Q

T

= 100 °C

j

200 250 – mA – –

– – –

– 0.350.50V IQ = 150 mA

0

0.9 10 15

50

1.3 18 23

µA mA mA mA

V

= 0 V

INH

I

= 0 mA

Q

I

= 150 mA

Q

I

= 150 mA; Vi = 4.5 V

Q

1)

––25mVIQ = 5 mA to 150 mA –325mVVI = 6 V to 28 V;

I

= 150 mA

Q

= 100 Hz;

r

V

= 0.5 Vpp

r

Reset Generator

Switching threshold Reset adjust threshold Saturation voltage Saturation voltage Charge current I Upper timing threshold Lower timing threshold Reset delay time Reset reaction time

Data Sheet 6 Rev. 2.8, 2008-05-19

V V V V

V V t t

D,c

rd

rr

Q,rt

RADJ

RO

D,sat

DU

DRL

4.5 4.65 4.8 V V

RADJ

= 0 V

1.26 1.35 1.44 V VQ > 3.5 V

– 0.100.40V IRO = 1 mA –50100mVVQ < V

RT

61015µA–

1.4 1.8 2.2 V –

0.20 0.35 0.55 V –

–17–msCD = 100 nF –1.2–µs CD = 100 nF

TLE 4262

Table 3 Characteristics (cont’d)

V

= 13.5 V; Tj = 25 °C; V

I

Parameter Symbol Limit Values Unit Test Condition

Inhibit

> 3.5 V; (unless specified otherwise)

INH

Min. Typ. Max.

Switch-ON voltage Switch-OFF voltage Input current

1) Drop voltage VI ≥ 4.5 V; drop voltage = VI - VQ (below regulating range)

V

INH,ON

V

INH,OFF

I

INH

3.6 – – V IC turned on

– – 0.8 V IC turned off 51025µA V

Note: The reset output is low within the range 1 V ≤ VQ ≤ V

Q,rt

= 5 V

INH

.

Data Sheet 7 Rev. 2.8, 2008-05-19

TLE 4262

Input

Ι Q

13 9

6 V...45 V

470 nF

KL15

Reset

INH

14 6

RO

to µC

Figure 3 Application Circuit

II

I

INH

V

+

V

I

ripple

I

13 9

470 nF1000 µF

INH

14

TLE 4262G

GND

TLE 4262G

D

I

GND RADJ

D

71

46

D

RADJ

Q

RO

1

100 nF

Q

I

RO

22 µF 100 kΩ

22 µF

R

5.6 k

ext

V

Ω

RO

Output

Ωk56

AES03028

V

Q

V

INH

D

C

D

I

GND

V

cd

100 nF

)

*

VV

=

V

DR

PSRR = 20 log

)

*

Below Regulation Range

-

I

Q

V

ripple

∆

V

Q

AES03027_4262

Figure 4 Test Circuit

Data Sheet 8 Rev. 2.8, 2008-05-19

TLE 4262

V

Ι

V

Q

V

D

t

V

RO

Power-on-Reset Voltage Dip Secondary Overload

rd

Thermal Shutdown

rr

Undervoltage

at Input

trr<

Figure 5 Time Response

t

V

Q, rt

Ι

Vd

D,c

=

dt

C

D

at OutputSpike

t

V

DU

V

DRL

t

AED03010

Reset Timing

The power-on reset delay time is defined by the charging time of an external capacitor

C

which can be calculated as follows:

D

C

= (∆trd × I

D

)/∆V (1)

D,c

Definitions:

•

C

= delay capacitor

D

• ∆

t

= delay time

rd

•

I

= charge current, typical 10 µA

D,c

• ∆

V = V

•

V

= upper delay switching threshold at CD for reset delay time

DU

, typical 1.8 V

DU

Data Sheet 9 Rev. 2.8, 2008-05-19

TLE 4262

Charge Current versus Temperature

16

µA

I

D, c

14

12

I

D, c

10

V

= 13.5 V

8

6

4

2

0

-40

04080

I

V

cd

= 1.5 V

AED03090

120 160˚C

T

j

Upper and Lower Timing Threshold

V

and V

DU

V

3.2

2.8

2.4

2.0

1.6

1.2

0.8

0.4

V

0

-40

versus Temperature

DRL

AED01087_4262

V

= 13.5 V

I

V

DU

V

DRL

04080120 160

C

˚

T

j

Reset Switching Threshold versus Temperature

1.6

V

RADJ

1.4

1.2

1.0

0.8

0.6

0.4

0.2

0

-40 04080120 ˚C 160

AED01088

T

j

Current Consumption of Inhibit versus Temperature Output Current

AED03091

160˚C120

T

j

I

INH

16

µA

14

12

10

V

= 5 V

INH

8

6

4

2

0

400

80-40

Data Sheet 10 Rev. 2.8, 2008-05-19

TLE 4262

Output Voltage versus Temperature

5.2 V

V

Q

5.1

5.0

4.9

4.8

4.7

4.6

-40 04080120 ˚C 160

V

= 13.5 V

I

AED01090

T

j

Output Current versus Input Voltage

300

mA

Ι

Q

250

200

150

100

50

T

= 25 C

j

0

100

20

30

AED01091

40

50

V

Ι

Drop Voltage versus Output Current

800

mV

V

DR

700

600

500

400

300

200

100

T

= 125 ˚C

j

25 ˚C

0

50 100 150 200 300

AED01094

mA

I

Q

Current Consumption versus Output Current

32

mA

I

q

28

24

20

V

= 13.5 V

I

16

12

8

4

0

50 100 150 200 300

AED01095

mA

I

Q

Data Sheet 11 Rev. 2.8, 2008-05-19

TLE 4262

Current Consumption versus Input Voltage

30

mA

Ι

q

25

20

R

15

10

5

0

L

20010

= 25

Ω

30

AED01096

40

50

V

Ι

Output Voltage versus Input Voltage

12

V

Q

10

8

6

4

2

0

2

R

4

AED01097

= 25

Ω

L

68

V

Ι

10

V

Data Sheet 12 Rev. 2.8, 2008-05-19

Package Outlines

0.07

±

0.175

(1.47)

1.75 MAX.

C

-0.2

4

0.35 x 45˚

1)

+0.06

0.19

TLE 4262

8˚MAX.

0.41

1.27

+0.10

-0.06

2)

0.1

0.2MAB

14

1

8.75

-0.2

8

7

1)

A

14x

B

±0.2

6

0.64

±0.25

0.2 C

M

Index Marking

1) Does not include plastic or metal protrusion of 0.15 max. per side

2) Lead width can be 0.61 max. in dambar area

GPS01230

Figure 6 PG-DSO-14-30 (Plastic Dual Small 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

Dimensions in mm

Data Sheet 13 Rev. 2.8, 2008-05-19

TLE 4262

0.35 x 45˚

0.35

1.27

+0.15

-0.2

-0.1

2.45

0.1

2.65 MAX.

0.2

2)

0.2

20x

20

1

12.8

-0.2

11

10

1)

7.6

10.3

-0.2

0.4

1)

+0.8

±0.3

Index Marking

1)

Does not include plastic or metal protrusion of 0.15 max. per side

2)

Does not include dambar protrusion of 0.05 max. per side

+0.09

MAX.8˚

0.23

GPS05094

Figure 7 PG-DSO-20-35 (Plastic Dual Small 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

Dimensions in mm

Data Sheet 14 Rev. 2.8, 2008-05-19

TLE 4262

Revision History

Version Date Changes

Rev. 2.8 2008-05-19 Modification according to PCN No. 2008-096:

Typo corrected: Current consumption @

I

= 150mA on page 6.

Q

I

specification

q

Rev. 2.7 2007-03-20 Initial version of RoHS-compliant derivate of TLE 4262

Page 1: AEC certified statement added Page 1 and Page 13 ff: RoHS compliance statement and

Green product feature added

Page 1 and Page 13 ff: Package changed to RoHS

compliant version Legal Disclaimer updated

Data Sheet 15 Rev. 2.8, 2008-05-19

Edition 2008-05-19

Published by Infineon Technologies AG 81726 Munich, Germany

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.

lnfineon TLE 4262 User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual