IRU1176CP datasheet(2/6 Pages) IRF

Part #	IRU1176CP

Description	7.5A ULTRA LOW DROPOUT POSITIVE ADJUSTABLE REGULATOR WITH SHUTDOWN INPUT

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Manufacturer	IRF [International Rectifier]

Direct Link	http://www.irf.com

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2 / 6 page

2

Rev. 1.4

03/18/02

IRU1176

www.irf.com

ABSOLUTE MAXIMUM RATINGS

Input Voltage (VIN) ....................................................

7V

Control Input Voltage (VCTRL) .....................................

14V

Power Dissipation .....................................................

Internally Limited

Storage Temperature Range ......................................

-65°C To 150°C

Operating Junction Temperature Range .....................

0°C To 150°C

PACKAGE INFORMATION

7-PIN PLASTIC TO-263 (M)

7-PIN PLASTIC ULTRA THIN-PAKTM (P)

θJA=35°C/W for 0.5" square pad

PARAMETER

SYM

TEST CONDITION

MIN

TYP

MAX

UNITS

Reference Voltage

VREF

VCTRL=2.75V, VIN=2V, Io=10mA,

1.225

1.250

1.275

V

TJ=25

8C, VADJ=0V

VCTRL=2.7 to 12V, VIN=2.05V to 5.5V,

1.225

1.250

1.275

Io=10mA to 7.5A, VADJ=0V

Line Regulation

VCTRL=2.5V to 7V, VIN=1.75V to 5.5V,

Io=10mA , VADJ=0V

0.5

mV

Load Regulation (Note 1)

VCTRL=2.75V, VIN=2.1V,

Io=10mA to 7.5A, VADJ=0V

5

mV

Dropout Voltage (Note 2)

VADJ=0V for all conditions below:

(VCTRL - VOUT)

VIN=2.05V, Io=1.5A

0.95

V

VIN=2.05V, Io=3A

1.00

VIN=2.05V, Io=4A

1.05

VIN=2.05V, Io=7.5A

1.15

Dropout Voltage (Note 2)

VADJ=0V for all conditions below:

(VIN - VOUT)

VCTRL=2.75V, Io=1.5A

0.075

V

VCTRL=2.75V, Io=3A

0.150

VCTRL=2.75V, Io=4A

0.200

VCTRL=2.75V, Io=7.5A

0.375

Current Limit

VCTRL=2.75V, VIN=2.05V,

DVo=100mV VADJ=0V

7.7

9

A

Minimum Load Current (Note 3)

VCTRL=5V, VIN=3.3V, VADJ=0V

5

10

mA

Thermal Regulation

30ms Pulse

0.01

0.02

%/W

Ripple Rejection

VCTRL=5V, VIN=5V, Io=4A, VADJ=0V,

TJ=25

8C, VRIPPLE=1VPP at 120Hz

60

70

dB

SD Threshold Voltage

VCTRL-1.4

VCTRL-2.2

V

SD Input Current

VCTRL=5V, SD=0V

94

130

mA

ELECTRICAL SPECIFICATIONS

Unless otherwise specified, these specifications apply over CIN=1

mF, COUT=10mF and TJ=0 to 1258C.

Typical values refer to TJ=25

8C. VOUT=VSENSE.

VSENSE

SD

VOUT

VIN

Adj

VCTRL

FRONT VIEW

1

2

3

4

5

6

7

Tab is

VOUT

VSENSE

SD

VOUT

VIN

Adj

VCTRL

FRONT VIEW

1

2

3

4

5

6

7

Tab is

VOUT

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