ALTAIR04-900TR Просмотр технического описания (PDF) - STMicroelectronics

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производитель

ALTAIR04-900TR

Off-line all-primary-sensing switching regulator

STMicroelectronics 

ALTAIR04-900

Electrical characteristics

Figure 3. COSS output capacitance variation

C (pF)

500

OSS

400

300

200

100

0

0

25

50

75

100

125

150

V (V)

DS

Figure 4. Off-state drain and source current test circuit

I q(f ault ) A

1 5V

A I dss

2. 5V +

-

F B/ Z C D

C OMP

Vc c

D R AI N

C U R R EN T

C ON TR OL

I R EF

GND SOURCE

850 V

Note:

The measured IDSS is the sum between the current across the start-up resistor and the

MOSFET off-state drain current.

Figure 5. Start-up current test circuit

,F FVW DUWXS $

  9

 9

) % = & '

9 FF

' 5 $,1

& 85 5 (1 7

& 21 75 2/

& 203

,5 ()

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DocID18211 Rev 3

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