TSM121

4/12

ELECTRICAL CHARACTERISTICS

specified)

Symbol

Parameter

Test Condition

Min

Typ

Max

Unit

Total Current Consumption

Icc

Total Supply Current

7

12

mA

HOUSEKEEPING SECTION

Voltage Reference (Vref1)

Vref1

Internal Voltage Reference

2.5

V

Over Current, Over Voltage and Under Voltage Protection

Vcs33

Over Current Sense Threshold 3.3V

46.5

50

53.5

mV

Vcs5

Over Current Sense Threshold 5V

46.5

50

53.5

mV

Vcs12

Over Current Sense Threshold 12V

60.5

65

69.5

mV

Vov33

Over Voltage Sense 3.3V

3.8

4

4.2

V

Vov5

Over Voltage Sense 5V

5.8

6.1

6.4

V

Vov12

Over Voltage Sense12V

13.4

14.2

15

V

Vuv33

Under Voltage Sense 3.3V

2.1

2.3

2.5

V

Vuv5

Under Voltage Sense 5V

3.7

4

4.3

V

Vuv12

Under Voltage Sense 12V

9.2

10

10.8

V

Vep

Extra Over voltage Protection Threshold

1.25

V

Tfault

Fault Delay Before Latching

Internally Fixed Delay

150

µs

Current Surge Blanking

Vsur

Threshold Voltage

2.5

V

Tsur

Current Surge blank

Rsur = 33k

Ω, Csur = 4.7µF21

ms

Vsurth

Surge detection clamp voltage

6

V

Under Voltage Blanking During Power Up

Tuv

Under Voltage Blanking During Power

Up (Vcc rise)

Cuv = 2.2

µF

100

300

500

ms

Thuv

Blanking Threshold

2.5

V

Power Good (PG)

Vpgth

Power Good Voltage Threshold

2.5

V

Vpghyst Power Good Voltage Threshold

Hysteresis

150

mV

Vpgol

Low Output Open Collector Saturation

Voltage

Collector Current = 15mA

0.4

V

Ipgoh

High Output Open Collector Leakage

Current

PG Output = 5V

1

µA

Tpgr

Power Good Output Rise Time

Load Capacitor = 100pF

1

µs

Tpgf

Power Good Output Fall Time

Load Capacitor = 100pF

1

µs

Tpg

Power Good Adjustable Delay

Load Capacitor Cpg=2.2

µF

100

300

500

ms

PIth

Power Input Detection Threshold

1.25

V

Remote Control (REM)

Vremth

Remote ON/OFF Input Voltage

Threshold

0.7

0.8

1

V

Vremih

High Input Remote Voltage

4.8

5

V

Iremil

Low Input Remote Saturation Current

0.5

mA

Trem1

Remote Adjustable Delay ON to OFF

Load Capacitor

Crem=0.1

µF

40

50

60

ms