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Rev.1.7 Sep.19, 2019

AX1008



ABSOLUTE MAXIMUM RATINGS (at TA=25°C)

Characteristics

Symbol

Rating

Unit

DC Supply Voltage

VIN

-0.3 to 12

V

Power Dissipation

PD

Internally Limited

Storage Temperature

TST

-65 to +150

°C

Operating Junction Temperature Range

TOPJ

-40 to +125

°C

Maximum junction Temperature

TMJ

150

°C



ELECTRICAL CHARACTERISTICS

(VIN = VEN=3.6V, TA =25°C, unless otherwise specified)

Characteristics

Symbol

Conditions (Notes)

Min. Typ. Max. Units

Reference Voltage

VREF

IOUT=10mA, TJ=25°C,

(VIN- VOUT) =1.5V

1.225 1.250 1.275

V

Output Voltage

(Fixed Version)

VOUT

IOUT=10mA, TJ = 25°C

2.7V≦VIN≦12V

1.175 1.200 1.225

V

IOUT = 10mA, TJ = 25°C,

3V≦VIN≦12V

1.470 1.500 1.530

V

IOUT = 10mA, TJ = 25°C,

3.3V≦VIN≦12V

1.764 1.800 1.836

V

IOUT = 10mA, TJ = 25°C,

4V≦VIN≦12V

2.450 2.500 2.550

V

IOUT = 10mA, TJ = 25°C,

4.8V≦VIN≦12V

3.235 3.300 3.365

V

IOUT = 10mA, TJ = 25°C,

6.5V≦VIN≦12V

4.900 5.000 5.100

V

Line Regulation

IOUT=10mA,

VOUT+1.5V<VIN<12V,

TJ =25°C

-

0.3

0.6

%

Load Regulation

VIN= VOUT+1.5V,

10 mA≦IOUT≦5A,

TJ =25°C (Note 1,2)

-

0.7

1.5

%

Dropout Voltage

Vo

IOUT=5.0A

(

VOUT=1% VOUT)

-

1.3

1.5

V

Current Limit

VIN-VOUT=3V

5.1

-

-

A

Minimum Load Current

-

5

10

mA

Ripple Rejection

F=120Hz,COUT=10μf

AX1008-XXX VIN=VOUT+3V

-

60

70

dB

Temperature Stability

IOUT=10mA

-

0.5

-

%

Thermal shutdown Temp

(Over temperature

protect)

TSD

-

145

-

°C

Thermal Shutdown

Hysteresis

TSH

-

40

-

°C

Thermal Resistance

Junction-to-Ambient

(Note 3)

θJA

TO-252

-

55

-

°C

/W

TO-263

-

45

-

Thermal Resistance

Junction-to-Case

θJC

TO-252

-

10

-

°C

/W

TO-263

-

2.7

-

Note 1: See thermal regulation specifications for changes in output voltage due to heating effects. Line and load

regulation are measured at a constant junction temperature by low duty cycle pulse testing. Load regulation

is measured at the output lead = 1/18” from the package.