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

Rev.1.0 Nov.21 2011

AX6618



ELECTRICAL CHARACTERISTICS

(VCNTL = 5V, VIN = 1.5V, VOUT = 1.0V, 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)

-

0.5

-

V

VIN POR Threshold

VIN

0.6 0.7 0.8

V

VIN POR Hysteresis

VIN(hys)

-

0.4

-

V

VCNTL Nominal Supply

Current

ICNTL EN= VCNTL

-

1

1.8 mA

VCNTL Shutdown Current

ISD

EN= 0V

-

15

30

uA

Feedback Voltage

VFB

VCNTL=5V, IOUT =10mA

0.49 0.5 0.51

V

Load Regulation

IOUT=0A ~ 3A

-

0.2 0.6

%

Line Regulation

VCNTL= VEN =5V

VIN = VOUT + 0.5V~5V

IOUT =10mA

-

0.01 0.1 %/V

Dropout Voltage

VDROP

IOUT = 3A,

VCNTL=5V

VOUT=0.9V

-

0.20 0.28

V

VOUT Pull Low Resistance

EN=0V

-

85

-

Ω

Soft Start Time

TSS

-

2

4

mS

EN Pin Logic High

threshold voltage

VENH Enable

1.2

-

-

V

VENL Disable

-

-

0.4

EN Hysteresis

-

50

-

mV

EN Pin Pull-Up Current

IEN

EN=GND

-

10

-

uA

Current Limit

ILIM

VCNTL=5V

3.5

-

-

A

Ripple Rejection

VIN

PSRR F=120Hz, IOUT=100mA

-

65

-

dB

VCNTL

-

65

-

Under-Voltage Threshold

VFB Falling

-

0.25

-

V

POK Threshold Voltage for

Power OK

VPOK VFB Rising

90% 93% 96% VFB

POK Threshold Voltage for

Power Not OK

VPNOK VFB Falling

82% 85% 88% VFB

POK Low Voltage

POK sinks 5mA

-

0.25 0.4

V

POK Delay Time

TDELAY

0.8

2

4

mS

Thermal shutdown Temp

TSD

-

160

-

°C

Thermal Shutdown

Hysteresis

TSH

-

50

-

°C