Product # PQ55540HTL05

Phone 1-888-567-9596

www.synqor.com

Doc.# 005-2HT554F Rev. A

04/20/06

Page 8

Input:

Input:

Output:

Output:

Current:

Current:

ackage:

38-55 V

38-55 V

54 V

54 V

5.1 A

(275W)

Half-brick

Half-brick

T

pecification

0.001

0.01

0.1

1

10

100

1,000

10,000

100,000

Hz

38 Vin

48 Vin

55 Vin

Figure 19: Magnitude of incremental output impedance (Zout =

vout/iout) for minimum, nominal, and maximum input voltage at full

-80

-70

-60

-50

-40

-30

-20

-10

0

10

100

1,000

10,000

100,000

Hz

38 Vin

48 Vin

55 Vin

Figure 20: Magnitude of incremental forward transmission (FT =

vout/vin) for minimum, nominal, and maximum input voltage at full

-50

-40

-30

-20

-10

0

10

20

10

100

1,000

10,000

100,000

Hz

38 Vin

48 Vin

55 Vin

Figure 21: Magnitude of incremental reverse transmission (RT =

iin/iout) for minimum, nominal, and maximum input voltage at full rated

0

1

10

100

10

100

1,000

10,000

100,000

Hz

38 Vin

48 Vin

55 Vin

Figure 22: Magnitude of incremental input impedance (Zin = vin/iin)

for minimum, nominal, and maximum input voltage at full rated power

0

10

20

30

40

50

60

01

234

56

Load Current (A)

38 V

48 V

55 V

Figure 23: Output voltage vs. load current showing typical current limit

curves and converter shutdown points.