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

Rev.2.1 Nov.12, 2019

AX6617



ELECTRICAL CHARACTERISTICS

(VCNTL= 5V, VIN=1.8V, VOUT=1.2V, TA=25°C unless otherwise specified)

Characteristics

Symbol

Conditions

Min Typ Max Units

VCNTL POR Threshold

VCNTL

2.5 2.7 2.9

V

VCNTL POR Hysteresis

VCNTL(hys)

-

0.4

-

V

VIN POR Threshold

VIN(POR)

0.8 0.9 1.0

V

VIN POR Hysteresis

VIN(hys)

-

0.5

-

V

VCNTL Nominal

Supply Current

ICNTL EN= VCNTL

0.4

1

1.5 mA

VCNTL Shutdown Current

ISD

EN= 0V

AX6617A

-

-

1

uA

AX6617B

-

10

30

VIN Shutdown Current

ISD_VIN EN= 0V,FB=1

AX6617A

-

-

1

uA

AX6617B

-

-

1

Feedback Voltage

VFB

VCNTL=5V, IOUT =10mA

0.788 0.8 0.812 V

Feedback Current

IFB

VFB=1V

-

5

-

nA

Line Regulation

VCNTL= VEN =5V

VIN = VOUT + 0.5V~5V

IOUT =10mA

- 0.01 0.1 %/V

Load Regulation

IOUT=0A ~ 2A

-

0.2

1

%

On Resistance

RDS(ON)

IOUT=100mA, VCNTL=5.0V,

VOUT=1.2V

-

115 150 mΩ

Dropout Voltage

VDROP

IOUT = 2A,

VCNTL=5V

VOUT=1.2V - 0.23 0.3

V

VOUT Pull Low Resistance

EN=0V

-

90

-

Ω

Soft Start Time

TSS

1

2

3

mS

EN Pin Logic input threshold

voltage

VENH Enable

1.2

-

-

V

VENL Disable

-

-

0.6

EN Hysteresis

-

40

-

mV

EN Pin Pull- High or Pull- Low

Current

IEN

EN=5V, AX6617A

-

10

20

uA

EN=GND, AX6617B

-

10

20

Current Limit

ILIM

VCNTL=5V

VIN=VOUT+1V

3.6

-

6

A

Ripple Rejection

VIN

PSRR F=120Hz, IOUT=100mA

-

65

-

dB

VCNTL

-

65

-

Inrush current

VCNTL=5V, COUT=10uF

EN startup, IOUT=2A

-

0.5

-

A

Under-Voltage Threshold

VFB Falling

-

0.4

-

V