Product # PQ60025QPA60

Phone 1-888-567-9596

www.synqor.com

Doc.# 005-2QP625F Rev. A

12/10/04

Page 8

T

pecification

Input:

Input:

Output:

Output:

Current:

Current:

P

ackage:

35-75 V

35-75 V

2.5 V

2.5 V

60 A

60 A

Quarter-brick

Quarter-brick

inductor at nominal input voltage and rated load current (5 mA/div).

See Figure 17.

Figure 20: Output voltage ripple at nominal input voltage and rated

0.0

0.5

1.0

1.5

2.0

2.5

3.0

0

10

203040

5060

7080

35 V

48 V

75 V

Figure 21: Output voltage vs. load current showing typical current limit

curves and converter shutdown points.

Figure 22: Load current (20A/div) as a function of time when the con-

verter attempts to turn on into a 1 m

Ω short circuit. Top trace

(2ms/div) is an expansion of the on-time portion of the bottom trace.

0.0001

0.001

0.01

0.1

10

100

1,000

10,000

100,000

Hz

35 Vin

48 Vin

75 Vin

Figure 23: Magntiude of incremental output impedance (Zout =

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

rated power.

-100

-90

-80

-70

-60

-50

-40

-30

-20

-10

0

100

1,000

10,000

100,000

Hz

35 Vin

48 Vin

75 Vin

Figure 24: Magnitude of incremental forward transmission (FT =

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

rated power.