PS238 datasheet(7/11 Pages) SITI

Part #	PS238

Description	8-Channel Secondary Monitoring IC

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Manufacturer	SITI [Silicon Touch Technology Inc.]

Direct Link	http://www.siti.com.tw

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8-Channel Seccondary Monitoring IC

Version

：A.001

-6-

PS238

Electrical Characteristics (Continued)

Over-Current Section

Parameter

Conditions

MIN

TYP

MAX

Unit

VS33, VS5

-3

0

3

mV

Offset Voltage

VS12A/B/C/D/E/F

-3

0

4

mV

IS33, IS5

OCP Bias Current

IS12A/B/C/D/E/F

RI=62.5K

Ω

148

160

172

uA

PGI, Analog Input

Parameter

Conditions

MIN

TYP

MAX

Unit

Threshold Voltage for start Td1

1.16

1.25

1.33

V

Threshold Voltage for start Td2

0.60

0.63

0.75

V

Threshold Voltage for mask OC,UV

1.05

1.13

1.21

V

Hysteresis (VHYST)*

+/-20

+/-50

+/-80

mV

* All of the comparator for PGI input in block diagram.

PGO, Open Drain Digital Output

Parameter

Conditions

MIN

TYP

MAX

Unit

Leakage Current (ILKG)

VPGO=5V

5

uA

Low Level Output Voltage (VOL)

ISINK=10mA

0.3

V

FPO/, Open Drain Digital Output

Parameter

Conditions

MIN

TYP

MAX

Unit

Leakage Current (ILKG)

VFPO/=5V

5

uA

Low Level Output Voltage (VOL)

ISINK=20mA

0.4

V

PSON/, Digital Input

Parameter

Conditions

MIN

TYP

MAX

Unit

Threshold Voltage ( High )

1.40

1.50

1.60

V

Threshold Voltage ( Low )

0.75

0.85

0.95

V

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PS238 Datasheet(PDF) 7 Page - Silicon Touch Technology Inc.

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