US12231G-P20-R datasheet(5/15 Pages) UTC

5 / 15 page

US12231

Preliminary

CMOS IC

UNISONICTECHNOLOGIESCO.,LTD

5 of 15

www.unisonic.com.tw

QW-R502-A82.a



ELECTRICAL CHARACTERISTICS

TJ=25°C, VI(3.3VIN)=VI(AUXIN)=3.3V, VI(1.5VIN)=1.5V, VI(/SHDNx), VI(/STBYx)=3.3V, VI(/CPPEx)=VI(/CPUSBx)=0V, VI(/SYSRST)=3.3V, OCx and

RCLKENx and PERSTx are open, all voltage outputs unloaded (unless otherwise noted)

PARAMETER

SYMBOL

TEST CONDITIONS

MIN TYP MAX UNIT

Power Switch Resistance

1.5VIN~1.5VOUT

RDS

TJ=25°C, I=650mA each

mΩ

TJ=100°C, I=650mA each

3.3VIN~3.3VOUT

TJ=25°C, I=1300mA each

mΩ

TJ=100°C, I=1300mA each

AUXIN~AUXOUT

TJ=25°C, I=275mA each

120

mΩ

TJ=100°C, I=275mA each

200

Discharge Resistance On 3.3V/1.5V/AUX Outputs

R(DIS_FET) VI(/SHDNx)=0V, I(discharge)=1mA

100

500

Ω

Short

-Circuit Output Current (Note

Steady-State

Value

1.5VOUT

IOS

TJ (-40~120°C), Output powered into a

short

0.67

1.3

3.3VOUT

1.35

2.5

AUXOUT

275 450 600

Thermal

Shutdown

Trip Point, TJ

Rising temperature, not in overcurrent

condition

155 165

°C

TJ_OC

Overcurrent condition

120 130

Hysteresis

∆T

°C

Current

-Limit Response Time

From Short To The 1

Threshold Within

1.1Times Of Final

Current Limit, TJ=25°C

VO(3.3VOUT) with 100-mΩ short

100

μs

VO(1.5VOUT) with 100-mΩ short

100 140

VO(AUXOUT) with 100-mΩ short

100

Operation Input Quiescent

Current

Normal

Operation

1.5VIN

Outputs are unloaded,

TJ (–40, 120°C) (does not include CPPEx

and CPUSBx logic pullup currents)

2.5

μA

3.3VIN

AUXIN

150

Total Input Quiescent Current

Normal

Operation

1.5VIN

Outputs are unloaded,

TJ (–40, 120°C) (include CPPEx

and CPUSBx logic pullup currents)

2.5

μA

3.3VIN

AUXIN

120 210

Shutdown

Mode

1.5VIN

CPUSB = CPPE =0V, SHDN =0V

(discharge FETs are on) (include

CPPEx and CPUSBx logic pullup

currents and SHDN pullup current) TJ

(–40, 120°C)

0.5

μA

3.3VIN

3.5

AUXIN

144 270

Forward Leakage Current

1.5VIN

Ilkg(FWD)

SHDN =3.3V, CPUSB = CPPE = 3.3V

(no card present, discharge FETs are on),

current measured at input pins,

TJ=120°C, includes RCLKEN pullup

current

0.1

μA

3.3VIN

0.1

AUXIN

Reverse Leakage Current

TJ=25°C

1.5VIN

Ilkg(RVS)

VO(AUXOUT)=VO(3.3VOUT)=3.3V,

VO(1.5VOUT)=1.5V, All voltage inputs are

grounded (current measured from output

pins going in)

0.1

μA

TJ=120°C

TJ=25°C

3.3VIN

0.1

μA

TJ=120°C

TJ=25°C

AUXIN

0.1

μA

TJ=120°C

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