Delta-electronics DNM User Manual download pdf (Page 15)

For type C (DNXXX0A0XXXX C), the simultaneous tracking can be accomplished by putting R1 equal

to 30.1K Ω through Vo

PS1

to the TRACK pin of PS2. Figure 12 shows the circuit diagram of

Simultaneous start-up when Vo

PS2

tracks the Vo

PS1

(only for type C).

TRACK

PS1

PS2

PS1

Vin

ENABLE

To Tracking

circuit

20K

30.1K

Figure 12. PS1 and PS2 track output voltage Simultaneous start-up for type C

Figure 13. Simultaneous Power up Figure 14. Simultaneous Power down

Table 5. : Vref define

Voset,ps2

Vref

0.7525

0.3

1.2

0.48

1.5

0.6

1.8

0.72

2.5

1.0

3.3

1.32

5.0

2.0

PS1

PS2

PS1

PS2

1 2 ... 10 11 12 13 14 15 16 17 18 19 20

Evaluation Procedure 1
(DEP-002 A) 1
3.0 Equipment Required 2
6.0 Tests Performed 4
7.0 Test Set-Up 4
7.2 Initial Power Up 5
SW3 Function table 5
8.0 Tests and Evaluation 6
LOAD (A) 18
EFFICIENCY % 18
Warranty 20

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Delta-electronics DNM User Manual Page 15

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