RD7 View Datasheet(PDF) - Power Integrations, Inc

Part Name

Description

MFG CO.

RD7

TOPSwitch-II® PC Standby Reference Design Board 90 to 375 VDC Input, 3.5 W Output

Power Integrations, Inc 

1 2 3 4 5 6 7 8 9 10 Next

RD7

RF1

+ 1Ω

Fusible

90-375 VDC

Input

-

R1

47 kΩ

C2

2.2 nF

1 KV

T1

D2

C3

1N5822 270 µF

25 V

Css*

VR1

IN5228C

L1

3.3 µH

C4

100 µF

25 V

C1

10 nF

1 KV

D1

UF4005

D3

C6

1N4148 0.1 µF

50 V

U2

PC817A

R3

100 Ω

D TOPSwitch-II

CONTROL

C

S TOP221P

U1

C C*

0.1 µF

C5

47 µF

10 V

R2

10 Ω

+

5 V – 5%

0.7 A

-

* optional component, not populated

Figure 2. Schematic diagram of the RD7.

PI-2187-062998

S/N

D2

J1

U1

C5

R1

C1 C2

D1

JP1

C3

L1

VR1

T1

C6

D3

R3

U2

R2

C4 J2

COMPONENT SIDE SHOWN

Figure 3. RD7 Pinout and Component Legend.

PI-2269-070298

CAUTION

The RD7 is designed for DC input. Please observe the proper polarity when applying power to this board.

Applying reverse polarity or AC power to the input terminals of the board can damage the TOPSwitch.

2

B

4/99

Share Link: