US1528

Preliminary

CMOS IC

UNISONICTECHNOLOGIESCO.,LTD

4 of 8

www.unisonic.com.tw

QW-R502-457.b

ABSOLUTE MAXIMUM RATING

PARAMETER

SYMBOL

RATINGS

UNIT

Supply Voltage

+6.0

V

Fault Flag Voltage

+6.0

V

Fault Flag Current

50

mA

Output Voltage

+6.0

V

Output Current

Internally Limited

Enable Input

-0.3~6

V

Storage Temperature

-65~+150

°C

Notes: Absolute maximum ratings are those values beyond which the device could be permanently damaged.

Absolute maximum ratings are stress ratings only and functional device operation is not implied.

OPERATING RATINGS

PARAMETER

SYMBOL

RATINGS

UNIT

Supply Voltage

+3~+5.5

V

Ambient Operating Temperature

-40~85

°C

THERMAL DATA

PARAMETER

SYMBOL

RATINGS

UNIT

Junction to Ambient

160

°C/W

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNIT

switch off, OUT = open

1

5

µA

IN Supply Current (Note)

switch on, OUT = open

100

160

µA

low to high transition

2.5

V

high to low transition(Note)

0.8

V

0.01

1

µA

0.01

1

µA

1

pF

110

140

mΩ

Switch Resistance

130

180

mΩ

OUT Turn-On Delay

0.03

ms

OUT Turn-On Rise Time

0.5

ms

OUT Turn-Off Delay

1

20

µs

OUT Turn-Off Fall Time

1

20

µs

OUT Leakage Current

1

10

µA

Short Circuit Current Limit

Enable into load

1.0

1.4

2.0

A

Circuit Limit Threshold

Ramped load applied to enabled output

2.0

2.7

3.5

A

135

°C

Overtemperature Shutdown

Threshold

125

°C

10

25

Ω

FLG Output Resistance

15

40

Ω

FLG Off Current

0.01

1

µA

2.5

V

UVLO Threshold

2.3

V

Note:For the UTC US1528, off is ≥ 2.5V and on is ≤ 0.8V. The enable input, EN has approximately 200mV of hysteresis.