VIPER20-E データシートの表示（PDF） - STMicroelectronics

部品番号

コンポーネント説明

メーカー

VIPER20-E

SMPS PRIMARY I.C.

STMicroelectronics 

5 Operation Description

VIPer20-E/DIP-E

Figure 17. Mixed Soft Start and Compensation Figure 18. Latched Shut Down

D2

VIPer20

VDD

-

OSC

13V

+

DRAIN

COMP SOU RCE

D1

D3

R3

+ C3

C4

R1

C1

R2

+ C2

AUXILIARY

W INDING

Shutdown

Q2

R3

R1

VIPer20

VDD

-

OSC

13V +

DRAIN

COMP SOURCE

R2

R4

Q1

D1

FC00431

FC00440

Figure 19. Typical Compensation Network

VDD

-

OSC

13V +

VIPer20

DRAIN

COMP SOURCE

C2 R1

C1

Figure 20. Slope Compensation

R2 R1

VIPer20

VDD

-

OSC

13V +

DRAIN

COMP SOURCE

C2

Q1

C3

C1 R3

FC00451

Figure 21. External Clock Sinchronisation

10 kΩ

VIPer20

VDD

-

OSC

13V +

DRAIN

COMP SOURCE

FC00470

FC00461

Figure 22. Current Limitation Circuit Example

VDD

-

OSC

13V +

VIPer20

DR AIN

COMP SOURCE

R1

Q1

R2

FC00480

20/31

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