IRU1502-33 PDF даташит

Спецификация IRU1502-33 изготовлена «International Rectifier» и имеет функцию, называемую «MICROPOWER 1A LOW DROPOUT PMOS VOLTAGE REGULATOR».

Детали детали

Номер произв	IRU1502-33
Описание	MICROPOWER 1A LOW DROPOUT PMOS VOLTAGE REGULATOR
Производители	International Rectifier
логотип

11 Pages

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Data Sheet No. PD94696

IRU1502-33

MICROPOWER 1A LOW DROPOUT

PMOS VOLTAGE REGULATOR

FEATURES

Stable with Ceramic Capacitor

Small, Space Saving MLPM 6-Pin Package

Guaranteed < 1V Dropout at Full Load Current

Fast Transient Response

Ultra-Low Ground Current

Output Current Limiting

Built-In Thermal Shutdown

APPLICATIONS

High Efficiency Linear Regulator

Hard Disk Drivers, CD-ROMs, DVDs

ADSL and Cable Modems

DESCRIPTION

The IRU1502-33 is a PMOS low dropout, linear regulator

and it is capable of supplying 1A of continuous current

over line and temperature range. The IRU1502-33 is

stable with low value ceramic capacitors, ensures low

noise operation, improves load transient response and

enables a smaller circuit size.

IRU1502-33 features ultra low noise, fast start-up and

an excellent time and load response. This device also

includes built-in output protection with both current limit

and thermal shutdown.

TYPICAL APPLICATION

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1 NC

VIN 6

IRU1502-33

2 Gnd

NC 5

3 NC

VOUT 4

4.7uF

X5R

4.7uF

X5R

3.3V

Figure 1 - Typical application of IRU1502-33.

PACKAGE ORDER INFORMATION

TJ (°C)

0 To 125

DEVICE

IRU1502-33CH

PACKAGE

6-Pin MLPM 3x3 (H)

MARKING

1502

Rev. 1.0

07/17/03

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IRU1502-33

ABSOLUTE MAXIMUM RATINGS

Input Voltage (VIN) .................................................... 6V

Operating Ambient Temperature Range ..................... -40°C To 125°C

Storage Temperature Range ...................................... -65°C To 150°C

CAUTION: Stresses above those listed in "Absolute Maximum Ratings" may cause permanent damage to the device.

PACKAGE INFORMATION

6-PIN MLPM 3x3 (H)

Gnd

TOP VIEW

2 Pad 5

*uJA=428C/W

uJC=2.38C/W

VIN *Exposed Pad on

underside is connected

NC to a typical 1" square

copper pad (typically

VOUT ground) through vias

for a 4-layer PCB board

design.

ELECTRICAL SPECIFICATIONS

Unless otherwise specified, these specifications apply over VIN=4.5V to 5.5V, IOUT=2mA to 1A, CIN=10mF, COUT=10mF,

08C<TJ<1258C and Note 1 and 6.

PARAMETER

SYM

TEST CONDITION

Output Voltage 3.3V

VO(3.3) 4.75V<VIN<5.25V, 5mA[IO[1A:

TJ=258C

08C[TJ[1258C

Line Regulation

RegLINE 4.75V<VIN<5.25V, IO=5mA

Load Regulation

RegLOAD VIN=4.75V, 10mA[IO[1A

Dropout Voltage

VD VIN=4V, IO=1A

VIN=3.8V, IO=0.8A, Note 2

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Minimum Output Current

IS VIN=5.5V

IO(MIN) Note 3

Temperature Stability

TS Note 4, 5

RMS Output Noise

VN 10Hz<BW<10KHz, Note 5

Ripple Rejection

RA VIN=5V, f=120Hz, Note 5

Thermal Shutdown

TJ(SD) VIN=4.75V, 5mA[IO[1A, Note 5

Quiescent Current

IGND VIN[5.5V, 2mA[IO[1A

Transient Response

DVOUT VIN=5V, Any 200mA step

Step Load Change (light load DIOUT from 100mA to1A, tr/1ms, Note 5

to full load) Droop Voltage

Transient Response

DVOUT VIN=5V, 1A to 10mA, tf/1ms, Note 5

Step Load Change (full load to DIOUT

light load) Output Voltage

Transient Response

DVOUT 0 to 5V step input, tr/1ms,

Change of VOUT with

DVIN 10mA[IO[1A

Application of VIN

Note 5

Transient Response

DVOUT VIN=5V, IO=ISHORT to IO=10mA

Short Circuit Removal

DIOUT Note 5

Response

@IO=Short

MIN

3.234

3.2175

135

TYP

3.3

1.4

0.5

0.003

MAX UNITS

3.366

3.3825

100

3.3825

650

%Vo

3.6 V

2 www.irf.com

Rev. 1.0

07/17/03

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IRU1502-33

Note 1: Low duty cycle pulse testing with Kelvin con- Note 4: Temperature stability is the change in output

nections is required in order to maintain accurate data. from nominal over the operating temperature range.

Note 2: In general, Dropout voltage is defined as the

minimum differential voltage between VIN and VOUT re-

quired to maintain regulation at VOUT. In this specifica-

tion, it is the measured output voltage at specified con-

dition.

Note 3: Minimum load current is defined as the mini-

mum current required at the output in order for the out-

put voltage to maintain regulation.

Note 5: Guaranteed by design, but not tested in produc-

tion.

Note 6: All limits are guaranteed. All electrical charac-

teristics have temperature limits that are tested during

TA=258C at probing and tested at final production with

TA=1008C. All hot and cold limits are guaranteed by cor-

relating the electrical characteristics to process and tem-

perature variations.

PIN DESCRIPTIONS

PIN #

1,3,5

PIN SYMBOL

Gnd

VOUT

VIN

PIN DESCRIPTION

No connection.

Ground pin.

The output of the regulator. A minimum of 4.7mF output capacitance must be connected

from this pin to ground to insure stability.

The power input pin of the regulator. A minimum of input capacitance must be connected

from this pin to ground to insure that the input voltage does not sag below the minimum

dropout voltage during the load transient response. This pin must always be higher than

the VOUT pin by the amount of dropout voltage (see electrical specification) in order for the

device to regulate properly.

BLOCK DIAGRAM

VIN 6

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Over

Current

Protection

Thermal

Shutdown

4 VOUT

Gnd 2

Rev. 1.0

07/17/03

Control

Logic

V IN

VR E F

Figure 2 - Simplified block diagram of the IRU1502-33.

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Номер в каталоге	Описание	Производители
IRU1502-33	MICROPOWER 1A LOW DROPOUT PMOS VOLTAGE REGULATOR	International Rectifier

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