Technical Specification
16
Input:
Output:
Current:
Package:
35-75 V
12 V
30 A
Half-brick
OVP Shutdown
14
Output Voltage
(V)
12
10
8
6
4
35 - 75 Vin
2
0
-5
0
5
10
15
20
25
30
35
40
45
Load Current
(A)
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 mΩ short circuit.
1
0
-10
Output Impedance
(Ω )
Ω
0.1
Forward Transmission
(dB)
-20
-30
-40
-50
-60
-70
-80
-90
-100
35 Vin
48 Vin
75 Vin
0.01
35 Vin
48 Vin
75 Vin
0.001
0.0001
100
1,000
10,000
100,000
-110
100
1,000
10,000
100,000
Hz
Hz
Figure 21:
Magnitude of incremental output impedance (Zout =
vout/iout) for minimum, nominal, and maximum input voltage at full
rated power.
Figure 22:
Magnitude of incremental forward transmission (FT =
vout/vin) for minimum, nominal, and maximum input voltage at full
rated power.
20
10
0
35 Vin
Input Impedance
(Ω )
Ω
100
Reverse Transmission
(dB)
10
35 Vin
-10
-20
-30
-40
100
1,000
10,000
100,000
48 Vin
75 Vin
1
48 Vin
75 Vin
0.1
0.01
100
1,000
Hz
10,000
100,000
Hz
Figure 23:
Magnitude of incremental reverse transmission (RT =
iin/iout) for minimum, nominal, and maximum input voltage at full rated
power.
Product # BQ60120HEA30
Phone 1-888-567-9596
Figure 24:
Magnitude of incremental input impedance (Zin = vin/iin)
for minimum, nominal, and maximum input voltage at full rated power.
Doc.# 005-2BH612M Rev. B
09/02/05
Page 9
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