ECRI Microelectronics

MNHX051R5S Military Point of Load DC to DC Converters (POL)

1 Features ofMNHX051R5S Military Point of Load DC/DC Converters (POL)

Input DC Voltage range(Continuous):9~38V


Typical input DC voltage:24V

Output voltage:5V

Output power:7.5W

Temperature(Tc):-40~85℃

BUCK topological structure, PWM Control

2. Scope of application of MNHX051R5S Military Point of Load DC to DC Converters (POL)

MNHX051R5S DC to DC Converters are used in aerospace high reliable electronic system.

3.Descriptions of MNHX051R5S Military Point of Load DC to DC Converters (POL)

MNHX051R5S DC to DC Converters use BUCK topological structure. Circuit contains input filter, PWM control, and reactive circuit and so on. Circuit also has protect function for over-current and under-voltage to improve the reliability.

This product is modular circuit structure; it’s used by PCB surface assembly process, no embedment, package is used by 2014 mucilage glue, gushing three proofing, copper shell.

4. Technical Specifications of MNHX051R5S Military Point of Load DC to DC Converters (POL)

Form 2 Rated condition and recommended condition

Absolute max rating

Recommended condition

Input voltage:38V

Output power:7.5W

Storage temperature:-45~105℃

Leads resistance welding temperature(10s):< 300℃

Junction temperature:< 150℃

Input voltage:9~38V

working temperature  range(Tc):-40~85℃


Form 3 Electrical Characteristic
No. Characteristic Symbol Conditions Limit value Unit
(otherwise specified,-40℃≤Tc≤85℃,VIN=16V±0.5V) min max
1 Input voltage Vo VI=7V-25V,Io=0.1A-1A -5.1 -4.9 V
2 Output current Io VI=7V-25V 0.05 1 A
3 Output ripple voltage(peak-peak) VP-P TA=25℃,BW≤20MHz, full load - 120 mV
4 Voltage regulation rate Sv full load ,VI=7V 25V - 0.5 %
5 Load regulation rate SI Io=0.05A 0.1A - 1 %
6 Efficiency η TA=25℃, full load 75 - %

Output in parallel capacitance with 0~10μF.


5. Circuit block diagram of MNHX051R5S Military Point of Load DC to DC Converters (POL)

MNHX051R5S-2
Fig 2  Product elementary diagram

6. Typical characteristic curve of MNHX051R5S Military Point of Load DC to DC Converters (POL)

MNHX051R5S-3
Fig 3  Efficiency(output power)

7.MTBF curve of MNHX051R5S Military Point of Load DC to DC Converters (POL)

MNHX051R5S-4
Char 4  MTBF Temperature Curve
(Prediction is based on well grounded)

8. Pin Designation of MNHX051R5S Military Point of Load DC to DC Converters (POL)

MNHX051R5S-5
Fig  5 Upward view

Form 4  Pin Designation

No.



Symbol

Function

1

VI

Inputpositive

2

GND

Input Output common

3

Vo

Output 5V

4

GND


C

Package common

5

GNDC

Package common


9.Typical Connection Diagram of MNHX051R5S Military Point of Load DC to DC Converters (POL)

MNHX051R5S-6
Fig  6  Electrical testing wiring diagram

10.Package Specifications of MNHX051R5S Military Point of Load DC to DC Converters (POL)

MNHX051R5S-7
Fig  7 package outline drawing(upward view)

Form 5  Package Outline

Symbol

Data/mm

Min

Typical

Min

A

-

-

22.86

B

-

-

23.87

C

-

-

7.87

Ψd

0.47

-

0.73

e1

-

2.54

-

e2

-

5.08

-

e3

-

11.4

-

e4

-

25.4

-

F1

1.0

-

1.6

F1

0.1

-

0.7

L1

3.55

-

-

L2

1.15

-

1.75

Note: Size for a e1 e2 e3 e4 is guaranteed by manufacturing of packages, do not have inspection requirements.


11.Ordering Information of MNHX051R5S Military Point of Load DC to DC Converters (POL)

MNHX051R5S-8
Fig 8 Ordering Information


Application Notes:


  • The influence of external disturbance on the test accuracy should be avoided.
  • The voltage detection point should be kept at the root of the pin of the testing product.
  • Do not plug the product with electricity.
  • Before power the testing product, you must confirm the polarity of the power supply to avoid damaging products by misconnection. At the same time, please ensure that the power supply voltage and load current does not exceed using limitation of the testing product.
  • When using the shell temperature can not exceed the specified temperature, or to increase the use of heat sink.
  • When ordering this device,the detailed electrical specifications shall be based on relevant standards.


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