VIPER20A Просмотр технического описания (PDF) - STMicroelectronics

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производитель

VIPER20A

SMPS PRIMARY I.C

STMicroelectronics 

Figure 1: VDD Regulation Point

ICOMP

ICOMPHI

0

Slope =

Gm in mA/V

VDD

ICOMPLO

VDDreg

FC00150

Figure 3: Transition Time

ID

10% Ipeak

t

VDS

90% VD

10% VD

tf

t

tr

FC00160

Figure 5: Breakdown Voltage Vs. Temperature

1.15

BVDSS

(Normalized)

1.1

FC00180

1.05

1

0.95

0

20 40 60 80 100 120

Temperature (°C)

VIPer20/SP/DIP - VIPer20A/ASP/ADIP

Figure 2: Undervoltage Lockout

ID D

IDD0

IDDch

VDDhyst

VDDoff

VDS= 35 V

Fsw = 0

V VDDon DD

FC00170

Figure 4: Shut Down Action

VOSC

VCOMP

VCOMPth

ID

t

tDISsu

t

t

ENABLE

ENABLE

DISABLE

FC00060

Figure 6: Typical Frequency Variation

1

(%)

0

FC00190

-1

-2

-3

-4

-5

0 20 40 60 80 100 120 140

Temperature (°C)

6/25

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