y
Input voltage range 36…75V DC
Single 80…100A output
1500V DC I/O electrical strength test voltage
Approvals: cRUus / CE (pending)
High density design in industry standard
/
4
brick size (2.4” x 3.45” x 0.5”)
100°C base plate operation
Highly efficient topology with synchronous
rectifiers
Output voltage trim range ±10%
ON/OFF control
Remote sense
Basic insulation rating
•
•
•
•
•
•
•
3
Selection Chart
Output
U
o nom
I
o nom
[V DC]
[A]
1.2
1.5
1.8
2.5
1.2
1.5
1.8
1
Input voltage
U
i
[V DC]
36…75
36…75
36...75
36...75
36...75
36...75
36...75
Rated power
T
A
= 60°C
1
P
o nom
[W]
90 @ 200 lfm
112 @ tbd lfm
135 @ 300 lfm
200 @ tbd lfm
120 @ 300 lfm
150 @ tbd lfm
180 @ 400 lfm
Type
Features
75
75
75
80
100
100
100
TXS75ZY
TXS75ZA
TXS75ZB
TXS80ZD
TXS100ZY
TXS100ZA
TXS100ZB
Sense, Trim
Enable or
Shut-down
U
i nom
± 25%,
T
Baseplate
=100°C, linear air flow, stand alone module
Purpose / Description
The TXS series is a 75 to 100 Amp, open frame, highly efficient, board mountable DC/DC converter.
The low voltage – high amperage supplies the next generation of microprocessors, gate arrays and
integrated circuits with reliable power. The TXS series features input undervoltage lockout, plus
overload and overtemperature protection and its input-output voltage combination is ideally suited for
Distributed Power Architectures (DPAs).
Input
Nominal input voltage
Input voltage range
Transient voltage withstand
Efficiency
U
i nom
survival
U
i nom
,
I
o nom
,
T
a
=25°C
48 V DC
36...75 V DC
100V/100ms
typ. 87%
typ. 88%
typ. 89%
typ. 90%
TXS75ZY, TXS100ZY
TXS75ZA, TXS100ZA
TXS75ZB, TXS100ZB
TXS80ZD
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Output
Output voltage setting accuracy
Minimum load
Static line regulation
Static load regulation
Dynamic load regulation
Output voltage ripple and noise
Start-up time
U
i nom
, 50 %
I
o nom
,
T
c
= 25°C
U
i min
...U
i max
,
50%
I
o nom
U
i nom
, 10...100 %
I
o nom
∆I
o
=25A, dI
o
/dt=2A/µs
U
i nom
,
I
o nom
, 20 MHz bandwidth
U
i nom
,
I
o nom
±1%
U
o nom
not required
±0.5%
U
o nom
±0.5%
U
o nom
±10%
U
o nom
, 100µs
TXS100ZY/TXS100ZA
50 mVpp
TXS100ZB/TXS80ZD
100 mVpp
10ms
Protection
Input undervoltage lockout
Overload protection
OVP trip point
Overtemperature
Turn-on
Turn-off
hic-up (self recovery)
continuous limitation, no switch off
shutdown with automatic restart (thermistor)
typ. 33V
typ. 31V
110…130%
I
o nom
125%
U
o nom
typ. 115°C
Control
/SD, inverse shutdown input
Trim input for
U
o
TTL-compatible, unit disabled when active low (<1.5V)
0.6V / 20kΩ
90…110%
U
o nom
Safety and EMC
Planned approvals
I/O insulation
Electric strength test voltage
Electrostatic discharge
Electromagnetic field
Electr. fast transients/burst
Electromagnetic emissions
EN 60950, UL 1950, CSA 22.2 No. 950
EN60950, base plate floating
Basic
I/Case, I/O, O/Case
1.5 kV DC
IEC/EN 61000-4-2, level 3 (contact/air)
4/8 kV, criterion B
IEC/EN 61000-4-3, level 2
3 V/m, criterion A
IEC/EN 61000-4-4, tbd.
tbd., criterion B
CISPR 22/EN 55022, conducted (with external filter)
class B
CISPR 22/EN 55022, radiated (with external filter)
class B
Environmental specifications
Operating temperature
T
BP
Storage temperature
Damp heat
Shock
Bump
Sinusoidal vibration
Random vibration
MTBF
U
i nom
,
I
o nom
, base plate temperature
non operational
IEC/EN 60068-2-3, 93%, 40°C
IEC/EN 60068-2-27, 11 ms
IEC/EN 60068-2-29, 6 ms
IEC/EN 60068-2-6, 8.2…58.1/58.1…500 Hz
IEC/EN 60068-2-64, 10…200/200...2000 Hz
MIL-HDBK-217F Notice 2, G
B
, 60°C
-40...100°C
-40...100°C
56 days
tbd g
n
tbd g
n
tbd g
n
/tbd g
n
tbd/tbd g
2
/Hz
1.1 Mio h
2
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Mechanics
Print mountable industry standard
3
/
4
brick (2.4 x 3.45 x 0.5 inch
3
)
Pin
1
2
3
4
5
6
7
8
Function
Vi-
Vi+
ON/OFF
Sense+
Vo-
Vo+
Trim
Sense-
_
inch (mm)
0.08 ± 0.002
(2.03 ± 0.05)
0.04 ± 0.002
(1.02 ± 0.05)
4x 0.085 ± 0.002
(4x 2.16 ± 0.05)
0.04 ± 0.002
(1.02 ± 0.05)
Thermal Impedance
(Baseplate to ambient)
100 lfm
2.8 K/W
200 lfm
2.2 K/W
300 lfm
1.7 K/W
400 lfm
1.4 K/W
Note:
Thermal impedance data is dependent on
many environmental factors. The exact thermal
performance should be validated for specific
application. The figure is for a stand-alone module.
Options / Accessories
Option / Accessory
Negative Logic (unit works when active low)
0.24’’ (6.1mm) Pin Lengths
0.24" (6.1mm) Horizontal Heatsink
0.24" (6.1mm) Vertical Heatsink
0.45" (11.4mm) Horizontal Heatsink
0.45" (11.4mm) Vertical Heatsink
0.95" (24.1mm) Horizontal Heatsink
0.95" (24.1mm) Vertical Heatsink
Subject to change without notice.
Suffix
N
tbd
1H
1V
2H
2V
3H
3V
Remarks
Contact factory
Includes Thermal Pad
Includes Thermal Pad
Includes Thermal Pad
Includes Thermal Pad
Includes Thermal Pad
Includes Thermal Pad
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