JUN 06, 2006 revised to JUL 25, 2006

Page 3 of 12

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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.

Parameter

Conditions/Description

Min

Nom

Max

Units

Input Voltage

Continuous

36

48

75

VDC

Turn-On Input Voltage

Ramping Up

1

33

34

35

VDC

Turn-Off Input Voltage

Ramping Down

1

31

32

33

VDC

Input Reflected Ripple Current

Full Load, 12 µH source inductance

BW=20 MHz

2

2.6

50

mA p-p

Inrush Transient

Vin = Vin.max

0.1

1

A

1

Refer to Fig. 9 for waveform.

2

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

Conditions/Description

Min

Nom

Max

Units

Output Voltage Set-point Accuracy:

Vin = 48VDC, Full Load

-1.2

1.2

%Vout

Output Current

3*

60

ADC

Line Regulation:

(Vin = 36 V to 75 V)

0.2

%Vout

Load Regulation:

Vin = Vnom, Io,min to Io,max

0.2

%Vout

Output Temperature Regulation

0.03

%/

Ripple and Noise, DC to 20MHz

1,2

Over line and load

Tamb= 0

75

15

150

40

mV p-p

75-100-75% load step change,

to 1% error band

di/dt = 0.1A/

μs

13

125

18

250

%Vout

μs

Dynamic Regulation

Peak Deviation

Settling Time

Peak Deviation

Settling Time

di/dt = 1A/

μs

15

125

20

250

%Vout

μs

Turn-On Time

(turn-on via application of Vin)

Time from Vin = UVLO to

regulation band

15

20

ms

Turn-On Time

(turn-on via ON/OFF signal)

Time from ON/OFF signal to

regulation band

12

15

ms

Rise Time

from 10 to 90% of Vout.nom

10

ms

Turn-on Overshoot

Over all input voltage, load, and

temperature conditions

1

5

%Vout

Admissible Load Capacitance

15,000

μF

Backdrive Protection

No damage to converter

Yes

Switching Frequency

400

kHz

1

At Iout<Iout.min, the output may contain low frequency component that exceeds ripple specifications.

2

See Figure 12 for test setup