tmp-007 Interpoint Corp., tmp-007 Datasheet

tmp-007

Manufacturer Part Number

tmp-007

Description

Dc/dc Converters 12 & 28 Volt Input

Manufacturer

Interpoint Corp.

Datasheet

1.TMP-007.pdf (9 pages)

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• –55°C to +85° C operation

• 9 to 16 or 16 to 36 VDC input

• Fully isolated

• Opto-coupler feedback

• Fixed frequency, 250 kHz typical

• Topology – Push-Pull Forward

• 50 V for 50 ms transient protection

• Inhibit function

• Indefinite short circuit protection

• Up to 79% efficiency

DESCRIPTION

Interpoint’s MTO Series™ of DC/DC converters delivers 15 watts of

output power with three output voltages and a choice of two input

voltage ranges. The MTO Series converters are packaged in

hermetically sealed metal cases and operate at full load over a case

temperature range of -55°C to +85°C (measured at the base plate

of the converter).

The push-pull forward topology coupled with pulse-width modulation

minimizes output noise and maintains good regulation. Nominal

switching frequency is 250 kHz. Although an internal input filter

reduces input ripple current, for applications requiring conformance

to MIL-STD-461C, CE03, use the MTO in conjunction with

Interpoint’s FM-461 EMI filter.

Operating at maximum ratings may require removing self-generated

heat. To increase heat dissipation, heat conducting material can be

used in contact with the converter’s base plate. Interpoint’s Thermal

Mounting Pad (TMP), model TMP-002, is designed for use with the

MTO converter.

EATURES

ONVERTER

ESIGN

Size (max.): Non-flanged, case F4, 1.950 x 1.350 x 0.505 inches (49.53 x 34.29 x 12.83 mm)

Weight:

Screening: Standard or ES. See Section C2 for screening options, see Section A5 for

Flanged, case J5, 2.720 x 1.350 x 0.505 inches (69.09 x 34.29 x 12.83 mm)

See Section B8, cases F4 and J5, for dimensions.

53 grams typical

ordering information.

DC/DC C

12 & 28 V

ONVERTERS

OLT

An inhibit terminal, pin 8, provides shut-down and start-up control.

Applying a logic low (<0.8 V) will disable the output of the converter

reducing input current to 8 mA, typical. Leaving the terminal uncon-

nected or connecting it to Vin will enable the converter. The inhibit

pin has an open circuit voltage of approximately 10 volts.

Soft-start provides a controlled 20 milliseconds turn-on to minimize

inrush current and reduce overshoot at initial start-up or when inhibit

is released.

Internal current limiting circuitry protects all three outputs against

short circuits. When output power exceeds approximately 125% of

maximum output power, the output currents are limited. In addition,

separate current limiting circuitry protects each output individually.

MTO converters are packaged in hermetically sealed metal cases.

The cases are constructed of cold-rolled steel with a fused tin finish.

MTO converters can be purchased in a flanged or non-flanged case.

The flanged option provides increased heat dissipation and also

provides greater stability when mechanically secured.

EATURES

ACKAGING

NPUT

MTO SERIES

VDC O

MODELS

+5 & ±12

+5 & ±15

15 WATT

TRIPLE

UTPUT

B4-23

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tmp-007 Summary of contents

Page 1

... Interpoint’s FM-461 EMI filter. Operating at maximum ratings may require removing self-generated heat. To increase heat dissipation, heat conducting material can be used in contact with the converter’s base plate. Interpoint’s Thermal Mounting Pad (TMP), model TMP-002, is designed for use with the MTO converter. DC/DC C ONVERTERS 12 & ...

Page 2

MTO SERIES 15 WATT ABSOLUTE MAXIMUM RATINGS Output Power • 15 watts Lead Soldering Temperature (10 sec per lead) • 300°C Storage Temperature Range (Case) • –65°C to +125°C Electrical Characteristics: 25°C Tc, 28 VDC Vin (12 VDC for 12V ...

Page 3

DC/DC C Positive 1 Input Pre- Regulator Pulse Width Modulator Short Circuit Amp Input 10 Common 8 Inhibit 7 Case Ground F IGURE (1) Positive Input Optional Pullup 2N3904 Inhibit (2) 10K 3.9K Input Common (10) F IGURE ONVERTERS Error ...

Page 4

MTO SERIES 15 WATT Pin Designation 1 Positive Input 2 +5 VDC Output 3 Output Common 4 Negative Aux. Output 5 Positive Aux. Output 6 No Connection 7 Case Ground 8 Inhibit 9 No Connection 10 Input Common MODEL NUMBERING ...

Page 5

CASE F Dot on top of case indicates pin one CASE F BOTTOM VIEW See Figures for pin configuration 1.950 max (49.53) CAUTION Heat from reflow or wave soldering may damage the device. Solder pins individually with ...

Page 6

CASE F MTO and MHL Series: Screening – Standard or ES HR153 Series: no screening options Solder Seal Solder Tip-off B8-14 C ASES BOTTOM VIEW CASE F4 Squared corner and dot on top of case indicate pin one. 1.170 (29.72) ...

Page 7

CASE J Flange Thickness: Cases J1 and J5 Case J2 Cases J3 and J4 Materials Header Case J1 Cases Cover Case J1 Case Pins #52 alloy (all cases) Case J1 Cases ...

Page 8

Flanged cases: Designator required in Case Option position of model number. FMD28-461 EMI Filter (down-leaded): Screening – Standard or ES Solder Seal 1.173 (29.79 0.040 dia. (1.02) 0.673 (17.09) Solder Tip-off 0.173 (4.39) 0.000 Flanged cases: Designator required in Case ...

Page 9

QA SCREENING 85°C PRODUCTS TEST (85°C Pr oducts excluding HR products) PRE-CAP INSPECTION Method 2017 TEMPERATURE CYCLE (10 times) Method 1010, Cond. B, -55°C to 125°C CONSTANT ACCELERATION Method 2001, 500 g BURN-IN 96 hours at 70°C ambient (typical) FINAL ...

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