TRACO TEP 75WI Technical data

DC/DC Converters

TEP 75WI Series, 75 Watt

Features

◆ Rugged, compact metal case

◆ Easy chassis mount

◆ Screw terminal adaptor available

for easy connection

◆ Ultra wide 4:1 input voltage range

◆Full load operation up to 60°C with

convection cooling

◆ Soft start

◆ Reverse input voltage protection

◆ Input protection filter

◆ 3-year product warranty

pending

(Models pictured with chassis mount adaptor and optional heatsink)

The TEP-75WI Series is a family of isolated high performance dc-dc converter
modules with ultra-wide 4:1 input voltage ranges which come in a rugged, sealed
metal case.
These converters are suitable for a wide range of applications, but the product is
designed particularly also for industrial applications where often no PCB mounting
is possible but the module has to be mounted on a chassis. Four threaded M3 inserts
in the module makes chassis mount or attachment of a heatsink for optimal thermal
management very simple.
For easy connection there is also an unique adaptor available with screw terminals.
A very high efficiency allows an operating temperature up to +60°C with natural
convection cooling without power derating. Further features include output voltage
trimming, Remote On/Off and under voltage lockout. The very wide input voltage
range and reverse input voltage protection make these converters also an interesting
solution for battery operated systems.

Models

Order code* Input voltage Output voltage Output current max. Efficiency typ.

TEP 75-2411WI
TEP 75-2412WI
TEP 75-2413WI 9 – 36 VDC
TEP 75-2415WI
TEP 75-2416WI
TEP 75-2418WI
TEP 75-4811WI
TEP 75-4812WI
TEP 75-4813WI 18 – 75 VDC
TEP 75-4815WI
TEP 75-4816WI
TEP 75-4818WI

(24 VDC nominal)

(48 VDC nominal)

* – add suffix –CM, –CMF for models with chassis mount adaptor, see last page.
– add suffix –N for negative remote control, see page 3 -> Remote On/Off

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5.0 VDC 15.0 A 88 %
12 VDC 6.3 A 88 %
15 VDC 5.0 A 88 %
24 VDC 3.2 A 87 %
28 VDC 2.7 A 87 %
48 VDC 1.6 A 87 %

5.0 VDC 15 A 90 %
12 VDC 6.3 A 89 %
15 VDC 5.0 A 89 %
24 VDC 3.2 A 87 %
28 VDC 2.7 A 87 %
48 VDC 1.6 A 87 %

DC/DC Converters

TEP 75WI Series 75 Watt

Input Specifications

Input current at no load 24 Vin; 5 – 15 VDC models: 185 mA typ.
24 Vin; 24 – 48 VDC models: 85 mA typ.
48 Vin; 5 – 15 VDC models: 90 mA typ.
48 Vin; 24 – 48 VDC models: 50 mA typ.

Input current at full load 24 Vin models: 3600 mA typ. (see Note 1)
48 Vin models: 1800 mA typ.

Start-up voltage / under voltage shut down 24 Vin models: 8.5 VDC / 7.5 VDC typ.
48 Vin models: 17.5 VDC / 16 VDC typ.

Surge voltage (100 msec. max.) 24 Vin models: 50 V max.
48 Vin models: 100 V max.

Conducted noise EN 55022 level A, FCC part 15, level A

(chassis mount option –CFM required)

ESD (electrostatic discharge) EN 61000-4-2, air ±8 kV, contact ±6 kV,
perf. criteria A

Radiated immunity EN 61000-4-3, 10 V/m, perf. criteria A
Fast transient / Surge EN 61000-4-4, ±2 kV, perf. criteria A

EN 61000-4-5, ±1 kV perf. criteria A
With external input capacitor e.g. Nippon

chemi-con KY 200 µF, 100 V, ESR 48 mOhm
or with chassis mount option –CFM

Conducted immunity EN 61000-4-6, 10 Vrms, perf. criteria A
Reverse voltage protection parallel diode
Recommended input fuse (slow blow) 24 Vin models: 10 A

48 Vin models: 5 A

Output Specifications

Voltage set accuracy ±1 %
Output voltage adjustment +10 % / –20 % by external resistor

see application note:

www.tracopower.com/products/tep75wi-application.pdf

Regulation – Input variation Vin min. to Vin max. 0.2 % max.
– Load variation (0 – 100 %) 5 – 15 VDC models: 0.3 % max.
24 – 48 VDC models: 0.3 % max.

Temperature coefficient ±0.02 %/K
Minimum load not required
Remote sense 10 % max. of Vout nom.

(tim up value to subtract)
Ripple and noise (20 MHz Bandwidth) 5 VDC models: 75 mVpk-pk max.

12 & 15 VDC models: 100 mVpk-pk max.
24 & 28 VDC models: 200 mVpk-pk max.
48 VDC models: 300 mVpk-pk max.

Start up time (nominal Vin and constant resistive load) 25 ms typ. (at power On or remote On)
Transient response (25 % load step change) 200 µs typ.
Output current limitation at 110 -140 % of Iout max.
Over voltage protection at 115 -130 % of Vout nom.
Short circuit protection indefinite, automatic recovery.

Note 1: For operation at low input voltage an input capacitor 4.7µF/50V X7R MLCC or 68µF/100V, 110mOhm Nippon chemi-con

KY series is recommended for a reliable supply of the pulse current. Capacitor is already include with chassis mount option –CM and
–CFM

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