GE Industrial Solutions ESTW025A0F Series - Manual (Page 3)

Data Sheet
October 11, 2011
ESTW025A0F Series Eighth-Brick Power Modules
36–75Vdc Input; 3.3Vdc Output; 25A Output
LINEAGE POWER 3
Electrical Specifications
(continued)
Parameter Device Symbol Min Typ Max Unit
Nominal Output Voltage Set-point
V
IN
=V
IN, nom
, I
O
=I
O, max
, T
A
=25°C) All V
O, set
3.250 3.300 3.350 V
dc
Output Voltage
All V
O
3.200  3.400 V
dc
(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
) All   ±0.1 % V
O, set
Load (I
O
=I
O, min
to I
O, max
) All   10 mV
Temperature (T
ref
=T
A, min
to T
A, max
) All  ±0.2 % V
O, set
Output Ripple and Noise on nominal output
(Co=1uF,ceramic+10uF,tantalum, V
IN
=V
IN, nom
,I
O
= I
O,
max
, T
A
=T
A, min
to T
A, max
)
RMS (5Hz to 20MHz bandwidth) All  8 20 mV
rms
Peak-to-Peak (5Hz to 20MHz bandwidth) All  40 75 mV
pk-pk
External Capacitance 1 All C
O, max
0  20,000 μF
Output Current All I
o
0  25.0 A
dc
Output Current Limit Inception (Hiccup Mode )
All I
O, lim 26.3 29 32.5 A
dc (V
O
= 90% of V
O, set
)
Output Short-Circuit Current (V
O
≤250mV)
All I
O, s/c
1.6 A
rms ( Hiccup Mode)
Efficiency
V
IN
= V
IN, nom
, T
A
=25°C, I
O
=I
O, max ,
V
O
= V
O,set
All η 91.0 92.0 %
V
IN
= V
IN, nom
, T
A
=25°C, I
O
=10A
,
V
O
= V
O,set
All η 91.0 92.0 %
V
IN
= V
IN, nom
, T
A
=25°C, I
O
=5A
,
V
O
= V
O,set
All η 85.5 87.0 %
Switching Frequency All f
sw
355 kHz
Dynamic Load Response
(Co=1uF,ceramic+220uF,tantalum, 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 All V
pk
 127  mV
Settling Time (Vo<10% peak deviation) All t
s
 200  s
1. See Note 2 under Feature Specifications.
Isolation Specifications
Parameter Device Symbol Min Typ Max Unit
Isolation Capacitance All C
iso
 1000  pF
Isolation Resistance All R
iso
 30  MΩ
I/O Isolation Voltage (100% factory Hi-pot tested) All All   2250 V
dc
General Specifications
Parameter Device Symbol Min Typ Max Unit
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)
All FIT 229.4 10 9 /Hours
All MTBF 4,359,904 Hours
Weight (Open Frame) All 22 (0.78) g(oz)
Weight (with Heatplate) All 35 (1.23) g(oz)