VIPER20DIP datasheet(15/25 Pages) STMICROELECTRONICS

15 / 25 page

15/25

VIPer20/SP/DIP - VIPer20A/ASP/ADIP

COMP pin in order to limit the primary peak current

of the device to a value:

where:

The suggested value for R1+R2 is in the range of

220K

Ω.

OVER-TEMPERATURE PROTECTION:

Over-temperature protection is based on chip

temperature

sensing.

The

minimum junction

temperature at which over-temperature cut-out

occurs is 140ºC while the typical value is 170ºC.

The device is automatically restarted when the

junction temperature decreases to the restart

temperature threshold that is typically 40ºC below

the shutdown value (see figure 8).

DPEAK

COMP

0.5

–

-------------------------------------

COMP

0.6

----------------------

Figure 18: Typical Compensation Network

Figure 20: External Clock Synchronization

Figure 19: Slope Compensation

Figure 21: Current Limitation Circuit Example

13V

OSC

COMP SOURCE

DRAIN

VDD

VIPer20

FC00451

13V

OSC

COMP

SOURCE

DRAIN

VDD

VIPer20

FC00461

13V

OSC

COMP

SOURCE

DRAIN

VDD

VIPer20

10 k

Ω

FC00470

13V

OSC

COMP

SO URCE

DRAIN

VDD

VIPer20

FC00480

VIPER20DIP 데이터시트(PDF) 15 Page - STMicroelectronics

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