DIO1280C datasheet(4/9 Pages) DIOO

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DIO1280C

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DIO1280C• 2.4

Electrical Characteristics

TA=-40

℃ to 85℃, unless otherwise specified. Typical values are V

IN=5.0V, IIN≤3A, CIN=0.1µF and TA=25

℃.

Symbol

Parameter

Test Conditions

Min

Typ.

Max

Unit

VIN_CLAMP

Input Clamping Voltage

IIN=10mA

Input Quiescent Current

VIN=5V, #EN=0V

110

VOVLO

Internal Over-Voltage Trip Level

VIN Rising

5.7

5.85

6.0

VOVLOH

Internal Over-Voltage Trip Level

Hysteresis

100

150

VUVLO

Under Voltage Trip Level

VIN Rising

2.25

2.4

VIN Falling

1.95

2.1

RON

Resistance from VIN to VOUT

VIN=5V, IOUT=1A, TA=25

℃

mΩ

COUT

OUT Load Capacitance

VIN=5V

1000

µF

TSDN

Thermal Shutdown

130

℃

TSDN_HYS

Thermal Shutdown Hysteresis

℃

Digital Signals

VOL

#ACOK Output Low Voltage

ISINK=1mA

0.4

VIH_#EN

Enable HIGH Voltage

VIN=2.5V to VOVLO

1.2

VIL_#EN

Enable LOW Voltage

VIN=2.5V to VOVLO

0.5

IACOK_LEAK

#ACOK Leakage Current

VACOK=3V, #ACOK Deasserted

-0.5

0.5

#EN_Leak

#EN Leakage Current

VIN=5.0V, VOUT=Float

-1.0

1.0

Timing Characteristics

tDEB

Debounce Time

Time from 2.5V<VIN<VOVLO to

VOUT=0.1 x VIN

tSTART

Soft-Start Time

Time from VIN=VIN_min to 0.2 x

#ACOK, VIO=1.8V with 10kΩ

Pull-up Resistor

tON

Switch Turn-On Time

RL=100Ω, CL=22µF, VOUT from

0.1 x VIN to 0.9 x VIN

tOFF

Switch Turn-Off Time

RL=100Ω, CL=0µF, VIN>VOVLO

to VOUT=0.8 x VIN

125

Specifications subject to change without notice.

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