TSM1121

Pin Description

2/11

1

PIN DESCRIPTION

ABSOLUTE MAXIMUM RATINGS

OPERATING CONDITIONS

Name

Pin #

Type

Function

Vcc

14

Power Supply

Positive Power Supply Line

Gnd

7

Power Supply

Ground Line. 0V Reference For All Voltages

Vs12

3

Analog Input

1)

Over and Under Voltage Inputs can go higher than Vcc within the allowed Max Rating range

Vs5

2

Analog Input

Vs33

1

Analog Input

Tuv

6

Timing Capacitor

Adjustable Under voltage Blanking Delay at Power Up (Setting Capacitor)

Fault

13

Open Collector

Fault Output. Fault is high when Over or Under Voltage has been Detected

PI

5

Analog Input

Power Good Input. Detection of the Power Conditions

PG

12

Open Collector

Power Good Output. PG output is High when the Power Conditions are

OK

Tpg

11

Timing Capacitor

Adjustable Power Good Delay (Setting Capacitor)

REM

9

Logic Input

Input Remote Control of the Complete System by the Motherboard (

µCon-

troller). Remote is active high. Switch OFF/ON of the Power Supply. Reset

of the Complete System after a FAULT Activation.

Trem

10

Timing Capacitor

Adjustable Remote Delay (Setting Capacitor).

Vref

8

Voltage Reference

2.5V Reference for all Voltages

EP

4

Analog Input

Extra Protection Circuit. Can be used for -12V or -5V Over Voltage Protec-

tion.

Symbol

DC Supply Voltage

Value

Unit

Vcc

25

V

Iout

Output Current Power Good

30

mA

Io

Output current for the Voltage reference

20

mA

VFault

Fault Ouput

5

V

Pd

Power Dissipation

0.7

W

Tstg

Storage Temperature

-55 to 150

°C

ESD

Electrostatic Discharge

2

kV

Tuv

Adjustable Under voltage Blanking At Power UP

5

V

EP

Extra Protection

5

V

PI

Power Good Input

5

V

PG

Power Good Output

5

V

Tpg

Adjustable Power Good Delay

5

V

REM

Remote Control

5

V

Trem

Adjustable Remote Delay

5

V

1)

All voltage values, except differential voltage are with respect to network ground terminal.

Symbol

Parameter

Value

Unit

Vcc

DC Supply Conditions

4.5 to 24

V

Toper

Operating Free Air Temperature Range

0 to 85

°C