PEB2023 데이터 시트보기 (PDF) - Infineon Technologies

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PEB2023

ISDN DC Converter Circuit

Infineon Technologies 

PEB 2023

PEF 2023

Figure 4 shows the PEB/F 2023 in a non-isolated minimum configuration by using

supply voltage range 1 (for this input voltages also supply voltage range 2 is possible).

The voltage drop over R6 is the difference between input voltage and undervoltage

detection level. To get low power dissipation the value of resistor R6 should be as high

as possibile. The minimum current through R6 is about 100nA, the maximum current is

1mA (see absolute maximum ratings).

25 ... 38 V

C6 +

100µF

20%

R6

1ΜΩ/10%

0.47µF

20%

C5 +

R5

0.22Ω/5%

7 11

V

UV

S

GND RC

3 14

2.2µF

20%

C7 +

12

5

6

UVx

V

C

EXT

SS

PEB 2023

PEF 2023

V

REF

1

V

P

SYNC

9 13

T1

BSS 296

2

4

I

GA

P

COMP

V

N

8 10

L1

10mH

D1

BAS 78B

0V

Figure 4

R1

27ΚΩ

5%

C1

68pF

5%

R2

10ΚΩ/5%

+ C3

1µF

20%

C2

470nF

10%

R 3 150ΚΩ

1%

+ 40 V

+ C4

R4

16ΚΩ/1%

220µF

20%

0V

R Load

330Ω/1%

PEB/F 2023 in a non-isolated Minimum Configuration

Figure 5 shows the PEB/F 2023 in a non-isolated flyback configuration with transformer

using supply voltage range 0. The voltage drop over R6 is VEXT-1V. To get low power

dissipation the value of resistor R6, should be as high as possibile. For calculating the

value of resistor R6 the minimum current through R6 is about 100nA and the maximum

current is about 100µA.

Data Sheet

11

04.99

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