IRU1206 datasheet(2/8 Pages) IRF | 1A VERY LOW DROPOUT POSITIVE FIXED AND ADJUSTABLE REGULATORS

2 page

Rev. 2.3

08/02/02

IRU1206 / IRU1207 / IRU1208 / IRU1209

www.irf.com

ABSOLUTE MAXIMUM RATINGS

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

12V

Enable Input Voltage ................................................

12V

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

-65°C To 150°C

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

0°C To 135°C

PACKAGE INFORMATION

θJA=55°C/W

for 1" Sq pad

2-PIN PLASTIC TO-252 (D-Pak)

3-PIN PLASTIC SOT-223 (Y)

IRU1206

θJA=70°C/W for

0.5" Sq pad

θJA=90°C/W for

0.4" Sq pad

8-PIN PLASTIC SOIC (S)

IRU1207

IRU1208

IRU1209

θJA=55°C/W

for 1" Sq pad

θJA=55°C/W

for 1" Sq pad

ELECTRICAL SPECIFICATIONS

Unless otherwise specified, these specifications apply over CIN=COUT=10

mF, VIN=Vo+1V, VOUT=VFB (For adjustable

version only), and TA=25°C. Typical values refer to TA=25°C. Low duty cycle pulse testing is used which keeps

junction and case temperatures equal to the ambient temperature.

VIN

VOUT

Tab is

Gnd

FRONTVIEW

VIN

Gnd

VOUT

Tab is

Gnd

TOP VIEW

Gnd

Flag

VOUT

VIN

Enable

Gnd

TOP VIEW

Gnd

Adj

VOUT

VIN

Flag

Gnd

TOP VIEW

Gnd

Adj

VOUT

VIN

Enable

Gnd

TOP VIEW

Initial Voltage Accuracy

(see Table 1 for nominal values)

Line Regulation

Load Regulation (Note 1)

Output Voltage Temp Coef.

Dropout Voltage (Note 2)

Ground Current (Note 3)

Current Limit

Minimum Input Voltage

IRU1208, IRU1209

Adjust Pin Current

Minimum Load Current

PARAMETER

SYM

TEST CONDITION

MIN

TYP

MAX

UNITS

DVI

DVL

DVO(T)

DVI(O)

ICL

VIN(min)

IADJ

IO(min)

Io=10mA, TA=25

(Note 4)

Vo + 1V<VIN<12

10mA<Io<1A

1mA<Io<150mA

Io=100mA (Note 4)

Io=500mA (Note 4)

Io=1000mA (Note 4)

VIN=Vo + 1 for all conditions:

Io=100mA (Note 4)

Io=500mA (Note 4)

Io=1000mA (Note 4)

Vo=5% Below Regulation Point

VIN=2.5V, Vo=VADJ (Note 4)

-1

-1.3

1.1

0.5

100

300

500

1.4

2.1

1.3

0.7

0.5

100

200

400

650

2.3

0.1

ppm/

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