VIPER53 データシートの表示（PDF） - STMicroelectronics

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VIPER53

OFF LINE PRIMARY SWITCH

STMicroelectronics 

VIPer53DIP / VIPer53SP

ELECTRICAL CHARACTERISTICS (Tj = 25 °C, VDD = 13 V, unless otherwise specified)

PWM COMPARATOR SECTION

Symbol

Parameter

Test Conditions

Min. Typ. Max.

HCOMP ∆VCOMP / ∆IDPEAK

VCOMP=1 ... 4 V

dID/dt=0

(See figure 8)

1.7

2

2.3

VCOMPos VCOMP Offset

dID/dt=0

(See figure 8)

0.5

IDlim

Peak Drain Current

Limitation

ICOMP=0mA; VTOVL=0V (See figure 8)

dID/dt=0

1.7

2

2.3

IDmax

Drain Current Capability

VCOMP=VCOMPovl; VTOVL=0V

dID/dt=0

(See figure 8)

1.6

1.9

2.3

td

Current Sense Delay to

Turn-Off

ID=1A

250

VCOMPbl

VCOMP Blanking Time

Change Threshold

(See figure 11)

1

tb1

Blanking Time

VCOMP < VCOMPBL

(See figure 11) 300 400 500

tb2

Blanking Time

VCOMP > VCOMPBL

(See figure 11) 100 150 200

tONmin1 Minimum On Time

VCOMP < VCOMPBL

450 600 750

tONmin2 Minimum On Time

VCOMP > VCOMPBL

250 350 450

VCOMPoff

VCOMP Shutdown

Threshold

(See figure 6)

0.5

Unit

V/A

V

A

A

ns

V

ns

ns

ns

ns

V

OVERLOAD PROTECTION SECTION

Symbol

Parameter

Test Conditions

VCOMPovl

VCOMP Overload

Threshold

ITOVL=0mA (See figure 4 and note 7)

VDIFFovl

VCOMPhi to VCOMPovl

Voltage Difference

VDD=VDDoff ... VDDreg; ITOVL=0mA

(See figure 4 and note 7)

VOVLth

VTOVL Overload

Threshold

(See figure 4)

tOVL

Overload Delay

COVL=100nF

Note 7. VCOMPovl is always lower than VCOMPhi.

(See figure 4)

Min.

50

Typ.

4.35

150

4

8

Max.

250

Unit

V

mV

V

ms

OVERTEMPERATURE PROTECTION SECTION

Symbol

Parameter

Test Conditions

TSD

Thermal Shutdown

Temperature

(See fig. 5)

THYST

Thermal Shutdown

Hysteresis

(See fig. 5)

Min. Typ. Max. Unit

140 160

°C

40

°C

6/24

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