VIPER53ESPTR-E Ver la hoja de datos (PDF) - STMicroelectronics

Número de pieza

componentes Descripción

Fabricante

VIPER53ESPTR-E

OFF-line Primary Switch

STMicroelectronics 

VIPer53EDIP - E / VIPer53ESP - E

Electrical characteristics

Table 5. Supply Section

Symbol

Parameter

Test Conditions

Min. Typ. Max. Unit

VDSstart

Drain Voltage Starting

Threshold

VDD = 5V; IDD = 0mA

34 50 V

IDDch1

Startup Charging Current VDD = 0 ... 5V; VDS = 100V

Figure 9 on page 22

-12

mA

IDDch2 Startup Charging Current VDD = 10V; VDS = 100VFigure 9.

-2

mA

IDDchoff

Startup Charging Current VDD = 5V; VDS = 100VFigure 11.

in Thermal Shutdown

TJ > TSD - THYST

0

mA

IDD0

Operating Supply Current

Not Switching

Fsw = 0kHz; VCOMP = 0V

8 11 mA

Operating Supply Current

IDD1 Switching

Fsw=100kHz

9

mA

VDDoff

VDD Undervoltage

Shutdown Threshold

Figure 9 on page 22

7.5 8.4 9.3 V

VDDon VDD Startup Threshold Figure 9.

10.2 11.5 12.8 V

VDDhyst

VDD Threshold

Hysteresis

Figure 9.

2.6 3.1

V

VDDovp

VDD Overvoltage

Shutdown Threshold

Figure 9.

17 18 19 V

Table 6.

Symbol

Pwm Comparator Section

Parameter

Test Conditions

HCOMP ∆VCOMP / ∆IDPEAK

VCOMPos VCOMP Offset

IDlim

Peak Drain Current

Limitation

IDmax

td

Drain Current

Capability

Current Sense Delay

to Turn-Off

VCOMP = 1 ... 4 V Figure 14.

dID/dt = 0

dID/dt = 0 Figure 14.

ICOMP = 0mA; VTOVL = 0V

Figure 14.

dID/dt = 0

VCOMP = VCOMPovl; VTOVL = 0V

dID/dt = 0

ID = 1A

VCOMPbl

VCOMP Blanking Time

Change Threshold

Figure 10 on page 22

tb1 Blanking Time

tb2 Blanking Time

tONmin1 Minimum On Time

VCOMP < VCOMPBLFigure 10.

VCOMP > VCOMPBLFigure 10.

VCOMP < VCOMPBL

Min. Typ. Max. Unit

1.7 2 2.3 V/A

0.5

V

1.7 2 2.3 A

1.6 1.9 2.3 A

250

ns

1

V

300 400 500 ns

100 150 200 ns

450 600 750 ns

DocRev1

5/31

Share Link: