LM2936HVMAX-5.0/NOPB - NATIONAL SEMICONDUCTOR

LM2936

LM2936 Ultra-Low Quiescent Current LDO Voltage Regulator

Literature Number: SNOSC48M

LM2936

Ultra-Low Quiescent Current LDO Voltage Regulator

General Description

The LM2936 ultra-low quiescent current regulator features

low dropout voltage and low current in the standby mode.

With less than 15 µA quiescent current at a 100 µA load, the

LM2936 is ideally suited for automotive and other battery

operated systems. The LM2936 retains all of the features

that are common to low dropout regulators including a low

dropout PNP pass device, short circuit protection, reverse

battery protection, and thermal shutdown. The LM2936 has

a 40V maximum operating voltage limit, a −40˚C to +125˚C

operating temperature range, and ±3% output voltage toler-

ance over the entire output current, input voltage, and tem-

perature range. The LM2936 is available in a TO-92 pack-

age, SO-8 and SOT–23 surface mount packages, and a

TO-252 surface mount power package.

Features

nUltra low quiescent current (I

≤15 µA for I

= 100 µA)

nFixed 3.0V, 3.3V or 5.0V with 50 mA output

n±2% Initial output tolerance

n±3% Output tolerance over line, load, and temperature

nDropout voltage typically 200 mV @I

=50mA

nReverse battery protection

n−50V reverse transient protection

nInternal short circuit current limit

nInternal thermal shutdown protection

n40V operating voltage limit

n60V operating voltage limit for LM2936HV

nShutdown Pin available with LM2936BM package

Typical Application

00975901

* Required if regulator is located more than 2" from power supply filter capacitor.

** Required for stability. See Electrical Characteristics for required values. Must be rated over intended operating temperature range. Effective series

resistance (ESR) is critical, see curve. Locate capacitor as close as possible to the regulator output and ground pins. Capacitance may be increased

without bound.

October 2006

LM2936 Ultra-Low Quiescent Current LDO Voltage Regulator

Connection Diagrams

TO-252 SOT-223

00975925

Top View

LM2936DT

See NS Package Number TD03B

00975926

Top View

LM2936MP

See NS Package Number MP04A

8-Pin SO (M) 8-Pin SO (M)

00975906

Top View

LM2936M and LM2936HVMA

See NS Package Number M08A

00975927

Top View

LM2936BM and LM2936HVBMA

See NS Package Number M08A

TO-92 8-Pin Mini SOIC (MM)

00975902

Bottom View

LM2936Z

See NS Package Number Z03A 00975928

Top View

LM2936MM

See NS Package Number MUA08A

LM2936

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Ordering Information

Output

Voltage

High

Voltage

Shutdown

Order Package Type Package Drawing Transport Media

3.00V

- Yes LM2936BM-3.0 8-Lead SOIC M08A Rail

- Yes LM2936BMX-3.0 8-Lead SOIC M08A Tape/Reel

- - LM2936DT-3.0 TO-252 TD03B Rail

- - LM2936DTX-3.0 TO-252 TD03B Tape/Reel

Yes Yes LM2936HVBMA-3.0 8-Lead SOIC M08A Rail

Yes Yes LM2936HVBMAX3.0 8-Lead SOIC M08A Tape/Reel

- - LM2936M-3.0 8-Lead SOIC M08A Rail

- - LM2936MX-3.0 8-Lead SOIC M08A Tape/Reel

- - LM2936MP-3.0 SOT-223 MP04A Tape/Reel

- - LM2936MPX-3.0 SOT-223 MP04A Tape/Reel

- - LM2936MM-3.0 8-Lead Mini SOIC MUA08A Rail

- - LM2936MMX-3.0 8-Lead Mini SOIC MUA08A Tape/Reel

- - LM2936Z-3.0 TO-92 Z03A Box

3.30V

- Yes LM2936BM-3.3 8-Lead SOIC M08A Rail

- Yes LM2936BMX-3.3 8-Lead SOIC M08A Tape/Reel

- - LM2936DT-3.3 TO-252 TD03B Rail

- - LM2936DTX-3.3 TO-252 TD03B Tape/Reel

Yes Yes LM2936HVBMA-3.3 8-Lead SOIC M08A Rail

Yes Yes LM2936HVBMAX3.3 8-Lead SOIC M08A Tape/Reel

- - LM2936M-3.3 8-Lead SOIC M08A Rail

- - LM2936MX-3.3 8-Lead SOIC M08A Tape/Reel

- - LM2936MP-3.3 SOT-223 MP04A Tape/Reel

- - LM2936MPX-3.3 SOT-223 MP04A Tape/Reel

- - LM2936MM-3.3 8-Lead Mini- SOIC MUA08A Rail

- - LM2936MMX-3.3 8-Lead Mini- SOIC MUA08A Tape/Reel

- - LM2936Z-3.3 TO-92 Z03A Box

5.00V

- Yes LM2936BM-5.0 8-Lead SOIC M08A Rail

- Yes LM2936BMX-5.0 8-Lead SOIC M08A Tape/Reel

- - LM2936DT-5.0 TO-252 TD03B Rail

- - LM2936DTX-5.0 TO-252 TD03B Tape/Reel

Yes Yes LM2936HVBMA-5.0 8-Lead SOIC M08A Rail

Yes Yes LM2936HVBMAX5.0 8-Lead SOIC M08A Tape/Reel

Yes - LM2936HVMA-5.0 8-Lead SOIC M08A Rail

Yes - LM2936HVMAX-5.0 8-Lead SOIC M08A Tape/Reel

- LM2936M-5.0 8-Lead SOIC M08A Rail

- - LM2936MX-5.0 8-Lead SOIC M08A Tape/Reel

- - LM2936MP-5.0 SOT-223 MP04A Tape/Reel

- - LM2936MPX-5.0 SOT-223 MP04A Tape/Reel

- - LM2936MM-5.0 8-Lead Mini-SOIC MUA08A Rail

- - LM2936MMX-5.0 8-Lead Mini-SOIC MUA08A Tape/Reel

- - LM2936Z-5.0 TO-92 Z03A Box

LM2936

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Absolute Maximum Ratings (Note 1)

If Military/Aerospace specified devices are required,

please contact the National Semiconductor Sales Office/

Distributors for availability and specifications.

Input Voltage (Survival) +60V, −50V

ESD Susceptibility (Note 2) 2000V

Power Dissipation (Note 3) Internally limited

Junction Temperature (T

Jmax

) 150˚C

Storage Temperature Range −65˚C to +150˚C

Lead Temperature (Soldering, 10

sec.) 260˚C

Operating Ratings

Operating Temperature Range −40˚C to +125˚C

Maximum Operating Input Voltage -

LM2936 +40V

Maximum Operating Input Voltage -

LM2936HV only +60V

Maximum Shutdown Pin Voltage -

LM2936BM only

0V to 40V

TO-92 (Z03A) θ

195˚C/W

MSO-8 (MUA08A) θ

200˚C/W

SO-8 (M08A) θ

140˚C/W

SO-8 (M08A) θ

45˚C/W

TO-252 (TD03B) θ

136˚C/W

TO-252 (TD03B) θ

6˚C/W

SOT-223 (MP04A) θ

149˚C/W

SOT-223 (MP04A) θ

36˚C/W

Electrical Characteristics for LM2936–3.0

= 14V, I

= 10 mA, T

= 25˚C, unless otherwise specified. Boldface limits apply over entire operating temperature range

Parameter Conditions Min

(Note 5)

Typical

(Note 4)

Max

(Note 5) Units

LM2936HV–3.0 Only

Output Voltage 5.5V ≤V

≤48V,

100 µA ≤I

≤50 mA (Note 6) 2.910 3.000 3.090 V

Line Regulation 6V ≤V

≤60V, I

= 1mA 10 30 mV

All LM2936–3.0

Output Voltage

2.940 3.000 3.060

4.0V ≤V

≤26V,

100 µA ≤I

≤50 mA (Note 6)

2.910 3.000 3.090

Quiescent Current I

= 100 µA, 8V ≤V

≤24V 15 20 µA

= 10 mA, 8V ≤V

≤24V 0.20 0.50 mA

= 50 mA, 8V ≤V

≤24V 1.5 2.5 mA

Line Regulation 9V ≤V

≤16V 5 10 mV

6V ≤V

≤40V, I

=1mA 10 30

Load Regulation 100 µA ≤I

≤5mA 10 30 mV

5mA≤I

≤50 mA 10 30

Dropout Voltage I

= 100 µA 0.05 0.10 V

= 50 mA 0.20 0.40 V

Short Circuit Current V

= 0V 65 120 250 mA

Output Impedance I

= 30 mAdc and 10 mArms, 450 mΩ

= 1000 Hz

Output Noise Voltage 10 Hz–100 kHz 500 µV

Long Term Stability 20 mV/1000

Ripple Rejection V

ripple

=1V

rms

fripple

= 120 Hz −40 −60 dB

Reverse Polarity R

= 500Ω,T=1ms −50 −80 V

Transient Input Voltage

Output Voltage with V

= −15V, R

= 500Ω0.00 −0.30 V

Reverse Polarity Input

Maximum Line Transient R

= 500Ω,V

≤3.30V, T = 40ms 60 V

LM2936

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Electrical Characteristics for LM2936–3.0 (Continued)

= 14V, I

= 10 mA, T

= 25˚C, unless otherwise specified. Boldface limits apply over entire operating temperature range

Parameter Conditions Min

(Note 5)

Typical

(Note 4)

Max

(Note 5) Units

Output Bypass

Capacitance (C

OUT

) ESR

OUT

= 22µF

0.1mA ≤I

OUT

≤50mA 0.3 8 Ω

Shutdown Input − LM2936BM–3.0 Only

Output Voltage, V

OUT

Output Off, V

=2.4V, R

LOAD

= 500Ω0 0.010 V

Shutdown High

Threshold Voltage, V

Output Off, R

LOAD

= 500Ω2.00 1.1 V

Shutdown Low

Threshold Voltage, V

Output On, R

LOAD

= 500Ω1.1 0.60 V

Shutdown High

Current, I

Output Off, V

= 2.4V, R

LOAD

= 500Ω12 µA

Quiescent Current Output Off, V

= 2.4V, R

LOAD

= 500Ω

Includes I

Current

30 µA

Electrical Characteristics for LM2936–3.3

= 14V, I

= 10 mA, T

= 25˚C, unless otherwise specified. Boldface limits apply over entire operating temperature range

Parameter Conditions Min

(Note 5)

Typical

(Note 4)

Max

(Note 5) Units

LM2936HV–3.3 Only

Output Voltage 5.5V ≤V

≤48V,

100 µA ≤I

≤50 mA (Note 6) 3.201 3.300 3.399 V

Line Regulation 6V ≤V

≤60V, I

= 1mA 10 30 mV

All LM2936–3.3

Output Voltage

3.234 3.300 3.366

4.0V ≤V

≤26V,

100 µA ≤I

≤50 mA (Note 6)

3.201 3.300 3.399

Quiescent Current I

= 100 µA, 8V ≤V

≤24V 15 20 µA

= 10 mA, 8V ≤V

≤24V 0.20 0.50 mA

= 50 mA, 8V ≤V

≤24V 1.5 2.5 mA

Line Regulation 9V ≤V

≤16V 5 10 mV

6V ≤V

≤40V, I

=1mA 10 30

Load Regulation 100 µA ≤I

≤5mA 10 30 mV

5mA≤I

≤50 mA 10 30

Dropout Voltage I

= 100 µA 0.05 0.10 V

= 50 mA 0.20 0.40 V

Short Circuit Current V

= 0V 65 120 250 mA

Output Impedance I

= 30 mAdc and 10 mArms, 450 mΩ

= 1000 Hz

Output Noise Voltage 10 Hz–100 kHz 500 µV

Long Term Stability 20 mV/1000

Ripple Rejection V

ripple

=1V

rms

fripple

= 120 Hz −40 −60 dB

Reverse Polarity R

= 500Ω,T=1ms −50 −80 V

Transient Input Voltage

Output Voltage with V

= −15V, R

= 500Ω0.00 −0.30 V

Reverse Polarity Input

Maximum Line Transient R

= 500Ω,V

≤3.63V, T = 40ms 60 V

LM2936

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Electrical Characteristics for LM2936–3.3 (Continued)

= 14V, I

= 10 mA, T

= 25˚C, unless otherwise specified. Boldface limits apply over entire operating temperature range

Parameter Conditions Min

(Note 5)

Typical

(Note 4)

Max

(Note 5) Units

Output Bypass

Capacitance (C

OUT

) ESR

OUT

= 22µF

0.1mA ≤I

OUT

≤50mA 0.3 8 Ω

Shutdown Input − LM2936BM–3.3 Only

Output Voltage, V

OUT

Output Off, V

=2.4V, R

LOAD

= 500Ω0 0.010 V

Shutdown High

Threshold Voltage, V

Output Off, R

LOAD

= 500Ω2.00 1.1 V

Shutdown Low

Threshold Voltage, V

Output On, R

LOAD

= 500Ω1.1 0.60 V

Shutdown High

Current, I

Output Off, V

= 2.4V, R

LOAD

= 500Ω12 µA

Quiescent Current Output Off, V

= 2.4V, R

LOAD

= 500Ω

Includes I

Current

30 µA

Electrical Characteristics for LM2936–5.0

= 14V, I

= 10 mA, T

= 25˚C, unless otherwise specified. Boldface limits apply over entire operating temperature range

Parameter Conditions Min

(Note 5)

Typical

(Note 4)

Max

(Note 5) Units

LM2936HV–5.0 Only

Output Voltage 5.5V ≤V

≤48V,

100 µA ≤I

≤50 mA (Note 6) 4.85 5.00 5.15 V

Line Regulation 6V ≤V

≤60V, I

= 1mA 15 35 mV

All LM2936–5.0

Output Voltage

4.90 5.00 5.10

5.5V ≤V

≤26V,

100 µA ≤I

≤50 mA (Note 6)

4.85 5.00 5.15

Quiescent Current I

= 100 µA, 8V ≤V

≤24V 9 15 µA

= 10 mA, 8V ≤V

≤24V 0.20 0.50 mA

= 50 mA, 8V ≤V

≤24V 1.5 2.5 mA

Line Regulation 9V ≤V

≤16V 5 10 mV

6V ≤V

≤40V, I

=1mA 10 30

Load Regulation 100 µA ≤I

≤5mA 10 30 mV

5mA≤I

≤50 mA 10 30

Dropout Voltage I

= 100 µA 0.05 0.10 V

= 50 mA 0.20 0.40 V

Short Circuit Current V

= 0V 65 120 250 mA

Output Impedance I

= 30 mAdc and 10 mArms, 450 mΩ

= 1000 Hz

Output Noise Voltage 10 Hz–100 kHz 500 µV

Long Term Stability 20 mV/1000

Ripple Rejection V

ripple

=1V

rms

fripple

= 120 Hz −40 −60 dB

Reverse Polarity R

= 500Ω,T=1ms −50 −80 V

Transient Input Voltage

Output Voltage with V

= −15V, R

= 500Ω0.00 −0.30 V

Reverse Polarity Input

Maximum Line Transient R

= 500Ω,V

≤5.5V, T = 40ms 60 V

LM2936

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Electrical Characteristics for LM2936–5.0 (Continued)

= 14V, I

= 10 mA, T

= 25˚C, unless otherwise specified. Boldface limits apply over entire operating temperature range

Parameter Conditions Min

(Note 5)

Typical

(Note 4)

Max

(Note 5) Units

Output Bypass

Capacitance (C

OUT

) ESR

OUT

= 10µF

0.1mA ≤I

OUT

≤50mA 0.3 8 Ω

Shutdown Input − LM2936BM–5.0 Only

Output Voltage, V

OUT

Output Off, V

=2.4V, R

LOAD

= 500Ω0 0.010 V

Shutdown High

Threshold Voltage, V

Output Off, R

LOAD

= 500Ω2.00 1.1 V

Shutdown Low

Threshold Voltage, V

Output On, R

LOAD

= 500Ω1.1 0.60 V

Shutdown High

Current, I

Output Off, V

= 2.4V, R

LOAD

= 500Ω12 µA

Quiescent Current Output Off, V

= 2.4V, R

LOAD

= 500Ω

Includes I

Current

30 µA

Note 1: Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. DC and AC electrical specifications do not apply when operating

the device beyond its specified operating ratings.

Note 2: Human body model, 100 pF discharge through a 1.5 kΩresistor.

Note 3: The maximum power dissipation is a function of TJmax,θJA, and TA. The maximum allowable power dissipation at any ambient temperature is

PD=(T

Jmax −T

A)/θJA. If this dissipation is exceeded, the die temperature will rise above 150˚C and the LM2936 will go into thermal shutdown.

Note 4: Typicals are at 25˚C (unless otherwise specified) and represent the most likely parametric norm.

Note 5: Datasheet min/max specification limits are guaranteed by design, test, or statistical analysis.

Note 6: To ensure constant junction temperature, pulse testing is used.

Typical Performance Characteristics

Maximum Power

Dissipation (TO-92) Dropout Voltage

00975907 00975908

LM2936

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Typical Performance Characteristics (Continued)

Dropout Voltage Quiescent Current

00975909 00975910

Quiescent Current Quiescent Current

00975911 00975912

Quiescent Current Quiescent Current

00975913 00975914

LM2936

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Typical Performance Characteristics (Continued)

LM2936–5.0 C

OUT

ESR LM2936–3.0 C

OUT

ESR

00975915

00975929

LM2936–3.3 C

OUT

ESR Peak Output Current

00975930

00975916

Peak Output Current LM2936–5.0 Current Limit

00975917 00975918

LM2936

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Typical Performance Characteristics (Continued)

LM2936–5.0 Line Transient Response

LM2936–5.0 Output at

Voltage Extremes

00975919 00975920

LM2936–5.0 Ripple Rejection LM2936–5.0 Load Transient Response

00975921 00975922

LM2936–5.0 Low Voltage Behavior LM2936–5.0 Output Impedance

00975923 00975924

LM2936

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Applications Information

Unlike other PNP low dropout regulators, the LM2936 re-

mains fully operational to 40V. Owing to power dissipation

characteristics of the available packages, full output current

cannot be guaranteed for all combinations of ambient tem-

perature and input voltage. As an example, consider an

LM2936Z–5.0 operating at 25˚C ambient. Using the formula

for maximum allowable power dissipation given in (Note 3) ,

we find that P

Dmax

= 641 mW at 25˚C. Including the small

contribution of the quiescent current to total power dissipa-

tion the maximum input voltage (while still delivering 50 mA

output current) is 17.3V. The LM2936Z–5.0 will go into ther-

mal shutdown if it attempts to deliver full output current with

an input voltage of more than 17.3V. Similarly, at 40V input

and 25˚C ambient the LM2936Z–5.0 can deliver 18 mA

maximum.

Under conditions of higher ambient temperatures, the volt-

age and current calculated in the previous examples will

drop. For instance, at the maximum ambient of 125˚C the

LM2936Z–5.0 can only dissipate 128 mW, limiting the input

voltage to 7.34V for a 50 mA load, or 3.5 mA output current

for a 40V input.

The junction to ambient thermal resistance θ

rating has

two distinct components: the junction to case thermal resis-

tance rating θ

; and the case to ambient thermal resistance

rating θ

. The relationship is defined as: θ

=θ

+θ

For the SO-8 and TO-252 surface mount packages the θ

rating can be improved by using the copper mounting pads

on the printed circuit board as a thermal conductive path to

extract heat from the package.

On the SO-8 package the four ground pins are thermally

connected to the backside of the die. Adding approximately

0.04 square inches of 2 oz. copper pad area to these four

pins will improve the θ

rating to approximately 110˚C/W. If

this extra pad are is placed directly beneath the package

there should not be any impact on board density.

On the TO-252 package the ground tab is thermally con-

nected to the backside of the die. Adding 1 square inch of 2

oz. copper pad area directly under the ground tab will im-

prove the θ

rating to approximately 50˚C/W.

While the LM2936 has an internally set thermal shutdown

point of typically 160˚C, this is intended as a safety feature

only. Continuous operation near the thermal shutdown tem-

perature should be avoided as it may have a negative affect

on the life of the device.

While the LM2936 maintains regulation to 60V, it will not

withstand a short circuit above 40V because of safe operat-

ing area limitations in the internal PNP pass device. Above

60V the LM2936 will break down with catastrophic effects on

the regulator and possibly the load as well. Do not use this

device in a design where the input operating voltage may

exceed 40V, or where transients are likely to exceed 60V.

SHUTDOWN PIN

The LM2936BM has a pin for shutting down the regulator

output. Applying a Logic Level High (>2.0V) to the Shutdown

pin will cause the output to turn off. Leaving the Shutdown

pin open, connecting it to Ground, or applying a Logic Level

Low (<0.6V) will allow the regulator output to turn on.

LM2936

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Equivalent Schematic Diagram

00975905

LM2936

www.national.com 12

Physical Dimensions inches (millimeters) unless otherwise noted

8-Lead Small Outline Molded Package (M)

NS Package Number M08A

TO-252 Package (DT)

NS Package Number TD03B

LM2936

www.national.com13

Physical Dimensions inches (millimeters) unless otherwise noted (Continued)

3-Lead TO-92 Plastic Package (Z)

NS Package Number Z03A

SOT-223 Package (MP)

NS Package Number MP04A

LM2936

www.national.com 14

Physical Dimensions inches (millimeters) unless otherwise noted (Continued)

8-Lead Mini SOIC package (MM)

NS Package Number MUA08A

National does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and National reserves

the right at any time without notice to change said circuitry and specifications.

For the most current product information visit us at www.national.com.

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WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT AND GENERAL COUNSEL OF NATIONAL SEMICONDUCTOR

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1. Life support devices or systems are devices or systems

which, (a) are intended for surgical implant into the body, or

(b) support or sustain life, and whose failure to perform when

properly used in accordance with instructions for use

provided in the labeling, can be reasonably expected to result

in a significant injury to the user.

2. A critical component is any component of a life support

device or system whose failure to perform can be reasonably

expected to cause the failure of the life support device or

system, or to affect its safety or effectiveness.

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LM2936 Ultra-Low Quiescent Current LDO Voltage Regulator

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products in automotive applications, TI will not be responsible for any failure to meet such requirements.

Following are URLs where you can obtain information on other Texas Instruments products and application solutions:

Products Applications

Audio www.ti.com/audio Communications and Telecom www.ti.com/communications

Amplifiers amplifier.ti.com Computers and Peripherals www.ti.com/computers

Data Converters dataconverter.ti.com Consumer Electronics www.ti.com/consumer-apps

DLP®Products www.dlp.com Energy and Lighting www.ti.com/energy

DSP dsp.ti.com Industrial www.ti.com/industrial

Clocks and Timers www.ti.com/clocks Medical www.ti.com/medical

Interface interface.ti.com Security www.ti.com/security

Logic logic.ti.com Space, Avionics and Defense www.ti.com/space-avionics-defense

Power Mgmt power.ti.com Transportation and Automotive www.ti.com/automotive

Microcontrollers microcontroller.ti.com Video and Imaging www.ti.com/video

RFID www.ti-rfid.com

OMAP Mobile Processors www.ti.com/omap

Wireless Connectivity www.ti.com/wirelessconnectivity

TI E2E Community Home Page e2e.ti.com

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