Product # BQ60120HEA30

Phone 1-888-567-9596

www.synqor.com

Doc.# 005-2BH612M Rev. B

09/02/05

Page 9

Input:

Input:

Output:

Output:

Current:

Current:

ackage:

35-75 V

35-75 V

12 V

12 V

30 A

30 A

Half-brick

Half-brick

T

pecification

0

2

4

6

8

10

12

14

16

-5

0

5

10

15

20

25

30

35

40

45

Load Current (A)

35 - 75 Vin

Figure 19: Output voltage vs. load current showing typical current limit

curves and OVP shutdown point.

Figure 20: Load current (10A/div) as a function of time when the con-

verter attempts to turn on into a 1 m

Ω short circuit.

0.0001

0.001

0.01

0.1

1

100

1,000

10,000

100,000

Hz

35 Vin

48 Vin

75 Vin

Figure 21: Magnitude of incremental output impedance (Zout =

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

rated power.

-40

-30

-20

-10

0

10

20

100

1,000

10,000

100,000

Hz

35 Vin

48 Vin

75 Vin

Figure 23: Magnitude of incremental reverse transmission (RT =

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

power.

0.01

0.1

1

10

100

100

1,000

10,000

100,000

Hz

35 Vin

48 Vin

75 Vin

Figure 24: Magnitude of incremental input impedance (Zin = vin/iin)

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

-110

-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 22: Magnitude of incremental forward transmission (FT =

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

rated power.

OVP Shutdown