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MHE2812S

Description
Analog Circuit, Hybrid, MDIP10,
CategoryAnalog mixed-signal IC    The signal circuit   
File Size167KB,11 Pages
ManufacturerInterpoint ( Crane Aerospace & Electronics )
Websitehttp://www.interpoint.com
Download Datasheet Parametric Compare View All

MHE2812S Overview

Analog Circuit, Hybrid, MDIP10,

MHE2812S Parametric

Parameter NameAttribute value
MakerInterpoint ( Crane Aerospace & Electronics )
package instructionDIP, DIP10,.8,400
Reach Compliance Codeunknow
Maximum input voltage40 V
Minimum input voltage17 V
JESD-30 codeR-MDIP-T10
Number of terminals10
Maximum output current1.67 A
Nominal output voltage12 V
Package body materialMETAL
encapsulated codeDIP
Encapsulate equivalent codeDIP10,.8,400
Package shapeRECTANGULAR
Package formIN-LINE
Certification statusNot Qualified
surface mountNO
technologyHYBRID
Terminal formTHROUGH-HOLE
Terminal pitch10.16 mm
Terminal locationDUAL
F
EATURES
• –55°C to +85°C operation
• 10 to 16 VDC input or
16 to 36 VDC input typical
• Fully isolated
• Opto-coupler feedback
• Fixed frequency 125 kHz typical
• Topology – Push-Pull Forward
• Transient protection
50 V for up to 50 ms 28 Vin models
• Inhibit function
• Indefinite short circuit protection
• Trimmable output on single models
• Up to 83% efficiency
DC/DC C
ONVERTERS
12
AND
28 V
OLT
I
NPUT
MHE/MLP SERIES
20 WATT
MODELS
VDC O
UTPUT
SINGLE
DUAL
5
±12
12
±15
15
Size (max.): Non-flanged 2.125 x 1.125 x 0.495 MHE (case H6) inches
or 0.417 MLP (case H4)
(53.98 x 28.58 x 12.57 (MHE) or 10.59 (MLP) mm)
Flanged 2.910 x 1.125 x 0.495 MHE (case K7) inches
or 0.417 MLP (case K5)
(73.91 x 28.58 x 12.57 (MHE) or 10.59 (MLP) mm)
See Section B8, cases H4, H6, K5, and K7, for dimensions.
Weight:
50 grams typical
Screening: Standard or ES. See Section C2 for screening options, see
Section A5 for ordering information.
DESCRIPTION
The MHE Series™ and the MLP Series™ DC/DC converters offer
the high efficiencies associated with switching regulators, yet have
full isolation and the excellent regulation typical of linear regulators.
No external components are required for operation. MHE Series and
MLP Series converters are built using thick-film hybrid technology,
and are sealed in metal packages for military, aerospace, and other
high-reliability applications. Unscreened models are solder sealed
and are guaranteed to pass a gross leak test (maximum leak rate of
1 x 10
-3
atm.-cc/sec). Environmentally screened models are
hermetically sealed and are screened as described in Section C2.
The MHE Series and MLP Series converters are pulse-width modu-
lated switching regulators operating in the forward mode, with a
nominal switching frequency of 125 to 140 kHz. Isolation is achieved
through the use of a transformer in the forward power circuit, and an
optocoupler is used in the feedback/control loop. The full load output
power is available over the full input voltage range. Short-term tran-
sients of 50 volts will not impair normal operation for 28 volt input
models.
The efficiency is typically greater than 80% over the entire input
voltage range and from approximately 25% of full load to full load.
This feature makes the MHE/MLP Series converters ideal for either
battery or aircraft power applications.
An inhibit function is provided on MHE/MLP Series converters to
allow power shutdown and startup from a logic input. The unit is
inhibited when the inhibit input pin (pin 2) is connected to the input
common (pin 10). The open circuit voltage of the inhibit pin is 8 to
10 VDC for 12 V input models or 11 to 13 VDC for 28 V input
models. During inhibit, the input inhibit pin must sink approximately
1 mA. In the inhibit mode, converter output drops to less than 1 V
and the input current is typically 8 mA.
Automatic current limiting circuitry protects the MHE/MLP Series
converters against short circuits.
MHE/MLP Series converters are rated to operate at full load up to a
case temperature of 85°C, with the output power derated linearly to
zero at 115°C. Because of the unit’s high efficiency, heat sinking
requirements are minimized, but due consideration should be given
to removing self-generated heat when operating the device at
maximum ratings. To increase dissipation, heat conducting material
(PCB, copper sheet, heat sink, etc.) should be brought into contact
with the converter’s baseplate.
When the MHE/MLP Series converters are used in applications
requiring full power operation for extended periods of time, or in
shock and vibration environments, it is highly recommended that the
flange-mount option be used. This option provides improved thermal
transfer capabilities as well as a mechanically secure mounting
configuration.
B4-13

MHE2812S Related Products

MHE2812S MLP2815S/ES MLP2815SF MLP2805S MLP2805SF MHE2815DF MHE1205S/ES MHE2805S MHE2805S/ES MHE1212SF
Description Analog Circuit, Hybrid, MDIP10, Analog Circuit, Hybrid, MDIP10, Analog Circuit, Hybrid, MDIP10, Analog Circuit, Hybrid, MDIP10, Analog Circuit, Hybrid, MDIP10, Analog Circuit, Hybrid, MDIP10, Analog Circuit, Hybrid, MDIP10, Analog Circuit, Hybrid, MDIP10, Analog Circuit, Hybrid, MDIP10, Analog Circuit, Hybrid, MDIP10,
package instruction DIP, DIP10,.8,400 DIP, DIP10,.8,400 DIP, DIP10,.8,400TB DIP, DIP10,.8,400 DIP, DIP10,.8,400TB DIP, DIP10,.8,400TB DIP, DIP10,.8,400 DIP, DIP10,.8,400 DIP, DIP10,.8,400 DIP, DIP10,.8,400TB
Reach Compliance Code unknow unknown unknown unknown unknown unknown unknown unknown unknown unknown
Maximum input voltage 40 V 40 V 40 V 40 V 40 V 40 V 16 V 40 V 40 V 16 V
Minimum input voltage 17 V 16 V 16 V 16 V 16 V 17 V 10 V 17 V 17 V 10 V
JESD-30 code R-MDIP-T10 R-MDIP-T10 R-MDIP-T10 R-MDIP-T10 R-MDIP-T10 R-MDIP-T10 R-MDIP-T10 R-MDIP-T10 R-MDIP-T10 R-MDIP-T10
Number of terminals 10 10 10 10 10 10 10 10 10 10
Maximum output current 1.67 A 1 A 1 A 2 A 2 A 0.5 A 3 A 3 A 3 A 1.25 A
Nominal output voltage 12 V 15 V 15 V 5 V 5 V 15 V 5 V 5 V 5 V 12 V
Package body material METAL METAL METAL METAL METAL METAL METAL METAL METAL METAL
encapsulated code DIP DIP DIP DIP DIP DIP DIP DIP DIP DIP
Encapsulate equivalent code DIP10,.8,400 DIP10,.8,400 DIP10,.8,400TB DIP10,.8,400 DIP10,.8,400TB DIP10,.8,400TB DIP10,.8,400 DIP10,.8,400 DIP10,.8,400 DIP10,.8,400TB
Package shape RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR
Package form IN-LINE IN-LINE IN-LINE IN-LINE IN-LINE IN-LINE IN-LINE IN-LINE IN-LINE IN-LINE
Certification status Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified
surface mount NO NO NO NO NO NO NO NO NO NO
technology HYBRID HYBRID HYBRID HYBRID HYBRID HYBRID HYBRID HYBRID HYBRID HYBRID
Terminal form THROUGH-HOLE THROUGH-HOLE THROUGH-HOLE THROUGH-HOLE THROUGH-HOLE THROUGH-HOLE THROUGH-HOLE THROUGH-HOLE THROUGH-HOLE THROUGH-HOLE
Terminal pitch 10.16 mm 10.16 mm 10.16 mm 10.16 mm 10.16 mm 10.16 mm 10.16 mm 10.16 mm 10.16 mm 10.16 mm
Terminal location DUAL DUAL DUAL DUAL DUAL DUAL DUAL DUAL DUAL DUAL
Maker Interpoint ( Crane Aerospace & Electronics ) - - Interpoint ( Crane Aerospace & Electronics ) Interpoint ( Crane Aerospace & Electronics ) - Interpoint ( Crane Aerospace & Electronics ) Interpoint ( Crane Aerospace & Electronics ) Interpoint ( Crane Aerospace & Electronics ) Interpoint ( Crane Aerospace & Electronics )
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