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Axelite Confidential Materials, do not copy or distribute without written consent.

Rev.1.9 Sep.20, 2019

AX1201



ABSOLUTE MAXIMUM RATINGS (TA=25°C)

Characteristics

Symbol

Rating

Unit

VCC Supply Voltage

VCC

-0.3 to 25

V

EN Pin Voltage

VEN

-0.3 to 7

V

FB Pin Voltage

VFB

-0.3 to Vcc+0.3

V

Output current

Io

1.5

A

Power Dissipation

PD

TO220=4, SOP8=1.6

W

Storage Temperature Range

TST

-65 to +150

°C

Junction Temperature Range

TJ

-40 to 125

°C

Operating Temperature Range

TOP

-40 to +85

°C

Thermal Resistance from Junction to case

SOP8

θJC

20

°C/W

TDFN-8L

15

Thermal Resistance from Junction to ambient

SOP8

θJA

60

°C/W

TDFN-8L

45

Note: θJA is measured with the PCB copper area(need connect to OUT pin) of approximately 1.5 in2 (Multi-layer).



ELECTRICAL CHARACTERISTICS (Unless otherwise specified, TA=25°C, VCC=12V)

Characteristics

Symbol

Conditions

Min Typ Max Units

VCC Supply Voltage

VCC

IOUT=1A

5.1

-

23

V

Feedback Voltage

VFB

IOUT=10mA, VCC=10V

1.196 1.22 1.244

V

Output Voltage

VOUT

IOUT=10mA, VCC=6V

4.90 5.0 5.10

V

IOUT=10mA, VCC=10V

8.82 9.0 9.18

IOUT=10mA, VCC=13V

11.76 12 12.24

GND Current

IGND

IOUT= 0~1A

-

1.2

3

mA

Shutdown Current

ISD

VEN=0V

-

0.15 0.4

mA

Load regulation

VLoad 5mA < IOUT < 1A

-

0.5 1.5

%

Line regulation

VLine

IOUT=10mA,

VOUT+1.0V<VCC< VOUT+10V

-

0.1 0.5

%

Ripple rejection ratio

PSRR Note1

-

65

-

dB

Dropout Voltage

VDROP

IOUT= 1A, VOUT=5V

-

0.14 0.2

V

IOUT= 1A, VOUT=9V

-

0.13 0.19

IOUT= 1A, VOUT=12V

-

0.1 0.15

Short circuit protect

Iscp VOUT<20%

-

0.3

-

A

Current Limit

CL

1.1

-

-

A

EN

Pin

Logic

input

threshold voltage

VENH High (regulator ON)

2.0

-

-

V

VENL Low (regulator OFF)

-

-

0.8

V

EN Pin Input Current

IENH VEN=2.5V (ON)

-

20

-

uA

IENL

VEN=0.3V (OFF)

-

-10

-

uA

Internal MOSFET RDSON RDSON

VCC=5.5V

-

140 200

mΩ

VCC=12V

-

100 150

Thermal Shutdown

TSD

-

140

-

°C

Note. These parameters, although guaranteed, are not 100% tested in production.