BBF2803 datasheet(9/11 Pages) MSK

9 / 11 page

TYPICAL PERFORMANCE CURVES

Rev. E 12/04

BBF2803S

0.0

6.0

OUTPUT CURRENT, IOUT (A)

LOW LINE DROP OUT

2.0

4.0

10K

90K

60K

20K

30K 40K

TIME, t (500

µsec/DIV)

LOAD TRANSIENT RESPONSE 1000

µF

LINE TRANSIENT RESPONSE

EFFICIENCY CONTOURS

OUTPUT CURRENT, IOUT (A)

4.4

.55 1.1

2.2

3.3

5.5

SET POINT RESISTOR, RSP (Ω)

TIME, t (5msec/DIV)

TURN ON THRESHOLD

TURN ON RESPONSE

100 200 400

FREQUENCY, f (Hz)

–100

AUDIO REJECTION

–20

–40

1K 2K

10K 20K

100K

–60

–80

3.3V

28V

VOUT

VIN

TEMP = 25

°C

40%

50%

56%

60%

64%

66%

67%

68%

69%

66%

70%

EFFICIENCY CONTOURS

OUTPUT CURRENT, IOUT (A)

TEMP = 125

°C

40%

50%

60%

64%

66%

67%

68%

69%

70%

64%

EFFICIENCY CONTOURS

OUTPUT CURRENT, IOUT (A)

4.4

1.1

.55

2.2

3.3

5.5

4.4

1.1

.55

2.2

3.3

5.5

TEMP =

–55

°C

30%

40%

50%

54%

58%

60%

62%

64%

65%

66%

67%

INCLUDES 1000

µF ON OUTPUT BUS

TIME, t (200

µsec/DIV)

TIME, t (200

µsec/DIV)

LOAD TRANSIENT RESPONSE 100

µF

LOAD = 5.5A

INCLUDES 100

µF ON OUTPUT BUS

INCLUDES 100

µF ON OUTPUT BUS

INCLUDES 100

µF ON

OUTPUT BUS

TIME, t (100

µsec/DIV)

LOAD TRANSIENT RESPONSE

5.5A

2.75A

VOUT

VIN

16V

40V

VOUT

IOUT

NO OUTPUT BUS CAPCITANCE

VIN = 28VDC

IOUT = 5.5 Amps

TEMP = 25

°C

BBF2803 Datasheet(PDF) 9 Page - M.S. Kennedy Corporation

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