Data Sheet
August 30, 2011
ESTW004A2C Series DC-DC Converter Power Modules
36–75V
dc
Input; 15.0V
dc
/4.2A
dc
Output
Electrical Specifications
(continued)
Parameter
Nominal Output Voltage Set-point
V
IN
= 48V I
O
=I
O, max
, T
A
=25°C)
Output Voltage
(Over all operating input voltage, resistive load, and
temperature conditions until end of life)
Output Regulation
Line (V
IN
=V
IN, min
to V
IN, max
)
Load (I
O
=I
O, min
to I
O, max
)
Temperature (T
ref
=T
A, min
to T
A, max
)
Output Ripple and Noise
(V
IN
=48V, I
O
= I
O, max
, T
A
=25°C, see Figure 7.)
RMS (5Hz to 20MHz bandwidth)
Peak-to-Peak (5Hz to 20MHz bandwidth)
External Capacitance
Output Current
Output Power (I
O
≤
I
O, max
)
Output Current Limit Inception (Hiccup Mode )
(V
O
= 90% of V
O, set
)
Output Short-Circuit Current
(V
O
≤250mV)
( Hiccup Mode )
Efficiency
V
IN
=48V, T
A
=25°C, I
O
=2.1A, V
O
= 15V
V
IN
=48V, T
A
=25°C, I
O
=4.2A, V
O
= 15V
Switching Frequency
Dynamic Load Response
(dI
o
/dt=0.1A/s; V
IN
= 48V; T
A
=25°C)
Load Change from Io= 50% to 75% or 25% to 50% of
I
o,max
Peak Deviation
Settling Time (Vo<10% peak deviation)
All
All
V
O, set
V
O
14.7
14.55
15.0
15.3
15.45
V
dc
V
dc
Device
Symbol
Min
Typ
Max
Unit
All
All
All
±0.2
±0.2
±1.0
% V
O, set
% V
O, set
% V
O, set
All
All
All
All
All
All
All
C
O, max
I
O
P
O
0
0
0
4.6
35
100
5.2
5
60
180
2,000
4.2
63
6.0
mV
rms
mV
pk-pk
μF
A
dc
W
I
O, lim
I
O, s/c
A
dc
A
rms
All
All
All
η
η
f
sw
88.0
90.0
280
%
%
kHz
All
All
V
pk
t
s
3
200
% V
O, set
s
Isolation Specifications
Parameter
Isolation Capacitance
Isolation Resistance
I/O Isolation Voltage (100% factory Hi-pot tested)
Device
All
All
All
Symbol
C
iso
R
iso
All
Min
100
Typ
1000
Max
2250
Unit
pF
MΩ
V
dc
General Specifications
Parameter
Calculated Reliability based upon Telcordia SR-332
Issue 2: Method
I
Case 3 (I
O
=80%I
O, max
, T
A
=40°C,
airflow = 200 lfm, 90% confidence)
Weight (Open Frame)
Weight (with Heatplate)
Device
All
All
All
All
Symbol
FIT
MTBF
Typ
321.5
3,110,164
19 (0.7)
30 (1.1)
Unit
10 /Hours
Hours
g (oz.)
g (oz.)
9
LINEAGE
POWER
3
LINEAGEPOWER [ LINEAGE POWER CORPORATION ]
