MTR40 datasheet(2/26 Pages) INTERPOINT

2 / 26 page

WiDe input voltage range

MTR converters are designed to provide full power over a

full 16 to 40 VDC input voltage range. Operation below 16

volts, including MIL-STD-704A emergency power conditions is

possible with derated power. Refer to the low line dropout graphs

(“Figure 27”, “Figure 35” and “Figure 36”) for details.

DynaMiC response

The MTR Series feed-forward compensation system provides

excellent dynamic response and noise rejection. Audio rejection

is typically 40 dB for singles and duals and 50 dB for triples. The

minimum to maximum step line transition response is typically

less than 4%.

inhibit FunCtion

MTR converters provide an inhibit terminal that can be used to

disable internal switching, resulting in no output voltage and very

low quiescent input current. The converter is inhibited when the

inhibit pin is pulled below 0.8 V and enabled when its inhibit pin

is left floating. An external inhibit interface should be capable of

pulling the converter’s inhibit pin below 0.8 V while sinking the

maximum inhibit current and also allowing the inhibit pin to float

high to enable the converter. A voltage should not be applied to

the inhibit pin. The open circuit voltage present on the inhibit pin

is 9 to 11 V.

Figure 1: Mtr single bloCk DiagraM

Output

Common

Positive

Output

Positive

Input

Inhibit

Input

Common

Input

Common

Input

Common

Sync In

MTR Single Output

Input Filter

Driver

PWM

Case

VBIAS

Current Limit

Voltage

Feedback

Crane Aerospace & Electronics Power Solutions

mTR (40) Single, Dual and Triple DC-DC Converters

28 (16-40) VOlT INPuT – 30 WaTT

www.craneae.com/interpoint

Page 2 of 26

MTR-01 Rev AA - 2013.09.04

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