VIPER100BSP データシートの表示（PDF） - STMicroelectronics

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VIPER100BSP

SMPS PRIMARY I.C.

STMicroelectronics 

VIPER100B/BSP

Figure 1: VDD Regulation Point

ICOMP

ICOMPHI

Slope =

Gm in mA/V

VDD

0

ICOMPLO

VDDreg

FC00150

Figure 3: Transition Time

ID

VDS

10% Ipeak

t

90% VD

10% VD

tf

t

tr

FC00160

Figure 5: Breakdown Voltage vs Temperature

1.15

BVDS S

(Nor malize d)

1.1

FC0 0180

1.05

1

0.95

0

20 40 60 80 100 120

Temp erature ( C)

Figure 2: Undervoltage Lockout

IDD

IDD0

IDDch

VDDhyst

VDDoff

VDS = 70 V

Fsw = 0

V VDDon

DD

FC00170

Figure 4: Shut Down Action

VOS C

VCOMP

VCOMPth

ID

t

tDIS s u

t

ENABLE

t

ENABLE

DISABLE

FC 00 0 6 0

Figure 6: Typical Frequency Variation

1

(%)

0

FC0 019 0

-1

-2

-3

-4

-5

0 20 40 60 80 100 120 140

Temperature ( C)

6/20

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