GAPTEC-Electronic GmbH amp Co KG salesgaptec-electroniccom ndash wwwgaptec-electroniccom

Page 1 of 4LMO78_10 ndash Rev 2020-14

Specifications subject to change without notice

LMO78_10 SeriesWide Input Non-Isolated amp Regulated Single PositiveNegative Output

Switching RegulatorThe LMO78_10 series is a high efficiency switching regulator and ideal substitute for the LM78xx series three-terminal linear regulators The product is featured with high efficiency low loss short circuit protection and no heat sink is required They are widely used in indust-rial control instrumentation and electric power applications

ExampleLMO78_05-10LM = Series S = SIP Case 05 = 5Vout 10 = 10A

Common specifications

Short circuit protection Continuous automatic recovery

No-load input current 01mA TYP 1mA MAX

Reverse Polarity Input Forbidden

Input Filter Capacitor Filter

Cooling Free air convection

Operation temperature range -40degC~+85degCPower derating above 71degC

Storage temperature range -55degC ~+125degC

Pin welding resistance temperature 260degC MAX 15mm from case for 10 sec

Storage humidity range lt 95RH

Package material Plastic [UL94-V0]

MTBF gt2000000 hours+25degC MIL-HDBK-217F

Weight 21g

Note1 The max capacitive load should be tested within the input voltage range and under full load conditions2 Without any special statement all indexes are only specific to positive output application3 Unless otherwise specified data in this datasheet should be tested under the conditions of Ta = 25degC humidity lt75 when inputting nominal voltage and outputting rated load4 All index testing methods in this datasheet are based on our Companyrsquos corporate standards5 The performance indexes of the product models listed in this manual are as above but some indexes of non-standard model products will exceed the above-mentioned requirements and please directly contact with our technician for specific information6 Specifications subject to change without prior notice

Output specifications

Item Test conditions Min Typ Max Units

Output voltage accuracy

100 loadbull LMO78_03-05bull Others

plusmn2plusmn2

plusmn4plusmn3

Line regulation Input Voltage Range plusmn02 plusmn04

Load regulation 10 to 100 load plusmn04 plusmn06

Ripple + Noise 20MHz Bandwidth Vin=24VDC0 -100 load

20 75 mVp-p

Switching frequency Full load nom inputbull LMO78_03-10 LMO78_05-10bull Others

420

580

520

680

620

780

KHz

KHz

Transient response deviation

Nominal input 25 load step change

50 300 mV

Transient recovery time

Nominal input 25 load step change

01 1 ms

Temperature coefficient

-40 degC to +85 degC ambient

003 degC

Test ripple and noise by ldquoparallel cablerdquo method With the load lower than 20 the maximum ripple and noise of 33V5V output products will be 100mVp-p 12V15V output products will be 2Vo

EMC specifications

EMI CE CISPR22EN55022 CLASS B (External circuit refer to EMC recommended circuit 2 or EMC module application circuit)

EMI RE CISPR22EN55022 CLASS B (External circuit refer to EMC recommended circuit 2 or EMC module application circuit)

EMS ESD IECEN61000-4-2 Contact plusmn4KV perf Criteria B

EMS RS IECEN61000-4-3 10Vm perf Criteria A

EMS EFT IECEN61000-4-4 plusmn1KV perf Criteria B (External circuit refer to EMC recommended circuit 1 )

EMS Surge IECEN61000-4-5 line to line plusmn1KV perf Criteria B (External circuit refer to EMC recommended circuit 1 )

EMS CS IECEN61000-4-6 3 Vrms perf Criteria A

High efficiency up to 96Operating temperature range -40degC ~ +85degCShort circuit protection (SCP)

Open frame SIP packageNo-load input current as low as 01mAMeets UL60950 EN60950 standards

UL-60950-1 (E347551)

GAPTEC-Electronic GmbH amp Co KG salesgaptec-electroniccom ndash wwwgaptec-electroniccom

Page 2 of 4LMO78_10 ndash Rev 2020-14

Specifications subject to change without notice

LMO78_10 SeriesWide Input Non-Isolated amp Regulated Single PositiveNegative Output

Part Number Input Voltage [VDC] Nominal (Range)

Output Voltage [VDC]

Output Current [mA]

Efficiency full load [ typ mintyp Vin]

Max capacitive load [microF]

LMO78_03-10 24 (6-36) 33 1000 9081 680

LMO78_05-10 24 (8-36)12 (8-27)

5-5

1000-500

93868682

680330

LMO78_12-10 24 (16-36)12 (8-20)

12-12

1000-300

96938988

680330

LMO78_15-10 24 (20-36)12 (8-18)

15-15

1000-300

96948989

680330

Typical characteristics

Efficiency

LMO78_15-10

LMO78_05-10

LMO78_05-10

LMO78_05-10

LMO78_05-10

LMO78_15-10

LMO78_15-10LMO78_15-10

GAPTEC-Electronic GmbH amp Co KG salesgaptec-electroniccom ndash wwwgaptec-electroniccom

Page 3 of 4LMO78_10 ndash Rev 2020-14

Specifications subject to change without notice

Typical application circuitLMO78

LMO78

LMO78

LMO78

Part number C1C3(Ceramic Capacitor)

C2C4(Ceramic Capacitor)

LMO78_03-10 10μF50V 22μF10V

LMO78_05-10 10μF50V 22μF10V

LMO78_12-10 10μF50V 22μF25V

LMO78_15-10 10μF50V 22μF25V

Note1 C1 and C2 (C3 and C4) are required and should be connected close to the

pin terminal of the module2 The capacitance of C1 and C2 (C3 and C4) refer to table on the left3 To reduce the output ripple furtherly C2 and C4 can be increased properly

if required and tantalum or low ESR electrolytic capacitors may also suffice

4 When the products are used as shown in the bdquopositive and negative output paralleling application circuitldquo an inductor named as LDM up to 10μH is recommended in the circuit to reduce the mutual interference

5 Cannot be used in parallel for output and hot swap

Positive and Negative output parallelling application circuit

LMO78_10 SeriesWide Input Non-Isolated amp Regulated Single PositiveNegative Output

EMC solution-recommended circuit

Part 10485791 in the Fig 5 is for EMS test part 21048579 is for EMI fi ltering parts 1048579 and1048579 can be added based on actual requirement

FUSE MOV LDM1 C0 C1C2 C5 LDM2

Selected based on the actual input current from the customer

S20K30 82μH 680μF 50V Refer to table at typical application

circuit

47μF 50V 12μH

GAPTEC-Electronic GmbH amp Co KG salesgaptec-electroniccom ndash wwwgaptec-electroniccom

Page 4 of 4LMO78_10 ndash Rev 2020-14

Specifications subject to change without notice

LMO78_10 SeriesWide Input Non-Isolated amp Regulated Single PositiveNegative Output

Mechanical dimensions and footprint

GAPTEC-Electronic GmbH amp Co KG salesgaptec-electroniccom ndash wwwgaptec-electroniccom

Page 2 of 4LMO78_10 ndash Rev 2020-14

Specifications subject to change without notice

LMO78_10 SeriesWide Input Non-Isolated amp Regulated Single PositiveNegative Output

Part Number Input Voltage [VDC] Nominal (Range)

Output Voltage [VDC]

Output Current [mA]

Efficiency full load [ typ mintyp Vin]

Max capacitive load [microF]

LMO78_03-10 24 (6-36) 33 1000 9081 680

LMO78_05-10 24 (8-36)12 (8-27)

5-5

1000-500

93868682

680330

LMO78_12-10 24 (16-36)12 (8-20)

12-12

1000-300

96938988

680330

LMO78_15-10 24 (20-36)12 (8-18)

15-15

1000-300

96948989

680330

Typical characteristics

Efficiency

LMO78_15-10

LMO78_05-10

LMO78_05-10

LMO78_05-10

LMO78_05-10

LMO78_15-10

LMO78_15-10LMO78_15-10

GAPTEC-Electronic GmbH amp Co KG salesgaptec-electroniccom ndash wwwgaptec-electroniccom

Page 3 of 4LMO78_10 ndash Rev 2020-14

Specifications subject to change without notice

Typical application circuitLMO78

LMO78

LMO78

LMO78

Part number C1C3(Ceramic Capacitor)

C2C4(Ceramic Capacitor)

LMO78_03-10 10μF50V 22μF10V

LMO78_05-10 10μF50V 22μF10V

LMO78_12-10 10μF50V 22μF25V

LMO78_15-10 10μF50V 22μF25V

Note1 C1 and C2 (C3 and C4) are required and should be connected close to the

pin terminal of the module2 The capacitance of C1 and C2 (C3 and C4) refer to table on the left3 To reduce the output ripple furtherly C2 and C4 can be increased properly

if required and tantalum or low ESR electrolytic capacitors may also suffice

4 When the products are used as shown in the bdquopositive and negative output paralleling application circuitldquo an inductor named as LDM up to 10μH is recommended in the circuit to reduce the mutual interference

5 Cannot be used in parallel for output and hot swap

Positive and Negative output parallelling application circuit

LMO78_10 SeriesWide Input Non-Isolated amp Regulated Single PositiveNegative Output

EMC solution-recommended circuit

Part 10485791 in the Fig 5 is for EMS test part 21048579 is for EMI fi ltering parts 1048579 and1048579 can be added based on actual requirement

FUSE MOV LDM1 C0 C1C2 C5 LDM2

Selected based on the actual input current from the customer

S20K30 82μH 680μF 50V Refer to table at typical application

circuit

47μF 50V 12μH

GAPTEC-Electronic GmbH amp Co KG salesgaptec-electroniccom ndash wwwgaptec-electroniccom

Page 4 of 4LMO78_10 ndash Rev 2020-14

Specifications subject to change without notice

LMO78_10 SeriesWide Input Non-Isolated amp Regulated Single PositiveNegative Output

Mechanical dimensions and footprint

GAPTEC-Electronic GmbH amp Co KG salesgaptec-electroniccom ndash wwwgaptec-electroniccom

Page 3 of 4LMO78_10 ndash Rev 2020-14

Specifications subject to change without notice

Typical application circuitLMO78

LMO78

LMO78

LMO78

Part number C1C3(Ceramic Capacitor)

C2C4(Ceramic Capacitor)

LMO78_03-10 10μF50V 22μF10V

LMO78_05-10 10μF50V 22μF10V

LMO78_12-10 10μF50V 22μF25V

LMO78_15-10 10μF50V 22μF25V

Note1 C1 and C2 (C3 and C4) are required and should be connected close to the

pin terminal of the module2 The capacitance of C1 and C2 (C3 and C4) refer to table on the left3 To reduce the output ripple furtherly C2 and C4 can be increased properly

if required and tantalum or low ESR electrolytic capacitors may also suffice

4 When the products are used as shown in the bdquopositive and negative output paralleling application circuitldquo an inductor named as LDM up to 10μH is recommended in the circuit to reduce the mutual interference

5 Cannot be used in parallel for output and hot swap

Positive and Negative output parallelling application circuit

LMO78_10 SeriesWide Input Non-Isolated amp Regulated Single PositiveNegative Output

EMC solution-recommended circuit

Part 10485791 in the Fig 5 is for EMS test part 21048579 is for EMI fi ltering parts 1048579 and1048579 can be added based on actual requirement

FUSE MOV LDM1 C0 C1C2 C5 LDM2

Selected based on the actual input current from the customer

S20K30 82μH 680μF 50V Refer to table at typical application

circuit

47μF 50V 12μH

GAPTEC-Electronic GmbH amp Co KG salesgaptec-electroniccom ndash wwwgaptec-electroniccom

Page 4 of 4LMO78_10 ndash Rev 2020-14

Specifications subject to change without notice

LMO78_10 SeriesWide Input Non-Isolated amp Regulated Single PositiveNegative Output

Mechanical dimensions and footprint

GAPTEC-Electronic GmbH amp Co KG salesgaptec-electroniccom ndash wwwgaptec-electroniccom

Page 4 of 4LMO78_10 ndash Rev 2020-14

Specifications subject to change without notice

LMO78_10 SeriesWide Input Non-Isolated amp Regulated Single PositiveNegative Output

Mechanical dimensions and footprint