ECRI Microelectronics

MNSX0501S High Reliability Point of Load D to DC Converters (POL)

1 Features of MNSX0501S High Reliability Point of Load DC/DC Converters (POL)

Input DC Voltage range(Continuous):7~25V           

            

Typical input DC voltage:16V

Output voltage:-5V

Output power:5W

Temperature(Tc):-40~85℃

BUCK topological structure, PWM Control

2. Scope of application of MNSX0501S High Reliability Point of Load DC to DC Converters (POL)

MNSX0501S point of load DC/DC converter is used in aerospace and high reliable electronic system.

3. Descriptions of MNSX0501S High Reliability Point of Load DC to DC Converters (POL)

MNSX0501S point of load DC to DC converters use BUCK topological structure. Circuit contains input filter, PWM control, and reactive circuit and so on. Circuit also has protected function for over-current and under-voltage to improve the reliability of product.

The MNSX0501S point of load DC to DC converters are modular circuit structure; it’s used by PCB surface assembly process, no embedment, package is used by 2014 mucilage glue, gushing three proofing, and copper shell.

4. Technical Specifications of MNSX0501S High Reliability Point of Load DC to DC Converters (POL)

Form 2 Rated condition and recommended condition

Absolute max rating

Recommended condition

Input voltage:25V

Output power:5W

Storage temperature:-45~105℃

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

Junction temperature:< 150℃

Input voltage:7~25V

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


Form 3 Electrical Characteristic

No.

Characteristic

Symbol

Conditions

(otherwise specified,-40℃≤Tc≤85℃,VIN=16V±0.5V)

Limit value

Unit

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 MNSX0501S High Reliability Point of Load DC to DC Converters (POL)

MNSX0501S-2
Fig 2  Product elementary diagram

6. Typical characteristic curve of MNSX0501S High Reliability Point of Load DC to DC Converters (POL)

MNSX0501S-3

Fig  3  Efficiency(output power)

7.MTBF curve of MNSX0501S High Reliability Point of Load DC to DC Converters (POL)

MNSX0501S-4

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


8. Pin Designation of MNSX0501S High Reliability Point of Load DC to DC Converters (POL)


MNSX0501S-5
Fig  5 Upward view

Form 4 lead function declaration

No.



Symbol

Function

1

VI

Inputpositive

2

Vo

Output -5V

3

GND

Input Output common

4

GNDC

Package common

5

GNDC

Package common


9.Typical Connection Diagram of MNSX0501S High Reliability Point of Load DC to DC Converters (POL)

MNSX0501S-6

Fig  6  Electrical testing wiring diagram

10.Package Specifications of MNSX0501S High Reliability Point of Load DC to DC Converters (POL)

MNSX0501S-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 e1 e2 e3 e4 is guaranteed by manufacturing of packages, do not have inspection requirements.

11. Ordering Information of MNSX0501S High Reliability Point of Load DC to DC Converters (POL)

MNSX0501S-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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