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HHS60 DC-DC Series Data Sheet
48VDC Input, 60 Amp Half-Brick Converter
Input Specifications
All specifications apply over specified input voltage, output load, and temperature range, unless otherwise noted.
BW=20 MHz
Parameter
Input Voltage
Turn-On Input Voltage
Turn-Off Input Voltage
Input Reflected Ripple Current
Inrush Transient
Conditions/Description
Continuous
Ramping Up 1
Ramping Down 1
Full Load, 12 μH source inductance
2
Vin = Vin.max
Min
36
33
31
Nom
48
34
32
2.6
0.1
Max
75
35
33
50
1
Units
VDC
VDC
VDC
mA p-p
A 2 s
1
2
Refer to Fig. 9 for waveform.
Refer to Fig. 18 for test circuit. / measurement method.
Output Specifications
All specifications apply over specified input voltage, output load, and temperature range, unless otherwise noted.
Parameter
Output Voltage Set-point Accuracy:
Output Current
Line Regulation:
Load Regulation:
Output Temperature Regulation
Ripple and Noise, DC to 20MHz 1,2
Conditions/Description
Vin = 48VDC, Full Load
I rated
(Vin = 36 V to 75 V)
Vin = Vnom, Io,min to Io,max
(T Baseplate ) = -40 O C to +100 O C)
Over line and load
Tamb= 0 O C to 85 O C
Min
-1.2
3*
Nom
75
15
Max
1.2
60
0.2
0.2
0.03
150
40
Units
%Vout
ADC
%Vout
%Vout
%/ O C
mV p-p
mV RMS
Dynamic Regulation
75-100-75% load step change,
Peak Deviation
Settling Time
Peak Deviation
Settling Time
Turn-On Time
to 1% error band
di/dt = 0.1A/ μ s
di/dt = 1A/ μ s
Time from Vin = UVLO to
13
125
15
125
15
18
250
20
250
20
%Vout
μ s
%Vout
μ s
ms
(turn-on via application of Vin)
regulation band
Turn-On Time
Time from ON/OFF signal to
12
15
ms
(turn-on via ON/OFF signal)
regulation band
Rise Time
from 10 to 90% of Vout.nom
10
ms
Turn-on Overshoot
Over all input voltage, load, and
1
5
%Vout
temperature conditions
Admissible Load Capacitance
Backdrive Protection
Switching Frequency
I rated , Nom Vin
No damage to converter
Yes
400
15,000
μ F
kHz
1
2
At Iout<Iout.min, the output may contain low frequency component that exceeds ripple specifications.
See Figure 12 for test setup
JUN 06, 2006 revised to JUL 25, 2006
Page 3 of 12
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