DAC2800D(2003) 데이터 시트보기 (PDF) - M.S. Kennedy

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DAC2800D
(Rev.:2003)

6W DUAL DC-DC CONVERTERS

M.S. Kennedy 

DAC2812D

EFFICIENCY CONTOURS

50

40%

TEMP = 25°C

50%

40

55%

60%

30

63%

65%

20

66%

10

1

2

3

4

5

OUTPUT POWER, POUT (W)

LOW LINE DROP OUT

16

15

14

13

12

11

10

01 2 34 56

OUTPUT CURRENT, POUT (W)

TURN ON THRESHOLD

28

24

20

16

12

10K

20K 30K 40K 60K 90K

SET POINT RESISTOR, RSP (Ω)

AUDIO REJECTION

0

VIN = 28V

IOUT = 225 mA

–20

–40

–60

–80

–100

1K

10K

100K

FREQUENCY, f (Hz)

EFFICIENCY CONTOURS

50

40%

50%

40

55%

TEMP =

–55°C

59%

30

62%

20

65%

67%

10

1

2

3

4

5

OUTPUT POWER, POUT (W)

+ LOAD TRANSIENT RESPONSE

+VOUT

–LOAD = 90mA

–VOUT

360mA

+LOAD

90mA NO OUTPUT BUS CAPCITANCE

TIME, t (100µsec/DIV)

LINE TRANSIENT RESPONSE

OUTPUT LOAD = 225mA

+VOUT

–VOUT

VIN

40V

16V

NO OUTPUT CAPACITANCE

TIME, t (100µsec/DIV)

4

TYPICAL PERFORMANCE

GRAPHS

EFFICIENCY CONTOURS

50

40%

TEMP = 125°C

40

50%

55%

58%

30

60%

62%

20

63%

10

1

2

3

4

5

OUTPUT CURRENT, POUT (W)

– LOAD TRANSIENT RESPONSE

+VOUT +LOAD = 90mA

–VOUT

360mA

–LOAD

90mA NO OUTPUT BUS CAPACITANCE

TIME, t (100µsec/DIV)

TURN ON RESPONSE

+VOUT

+12V

OUTPUT LOAD = 225mA

+VOUT

VIN

28V

0V

–12V

INCLUDES 50µF ON

EACH OUTPUT

TIME, t (10msec/DIV)

Rev. B 12/03

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