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LMP78_1.5 – Rev. 2015-1.0

Specifications subject to change without notice.

LMP78_1.5 Series

Wide Input Non-Isolated & Regulated, Single Positive/Negative Output

High performance switching

regulator

Low profile

(L*W*H=11.6*7.5*10.2)

Wide 6V to 36V operating

input range

Compatible with LM78

pin-out

Short circuit protection (SCP)

Efficiency up to 90%

Low output ripple/noise

Switching Regulator (POL)

The LMP78_1.5 series high efficiency switching regulators are ideally

suited to replace LM78xx linear regulators and are pin compatible.

Part Number

Input Voltage

Range [VDC]

Output Voltage

[VDC]

Output Current

[A]

Efficiency

[Vin. min]

Efficiency

[Vin. max]

Max. Capacitive

load [µF]

LMP78_03-1.5

6-36

3.3

1.5

86

84

470

LMP78_05-1.5

8-36

5

1.5

90

88

470

Model selection:

LMP78_yy-pp

LC=Series; yy=Vout; pp=output current

Example:

LMP78_05-1.5

LMP=Series; yy= 5Vout; pp=1.5A

Common specifications

Short circut protection:

Continuous, automatic recovery

Temperature rise at full load:

40°C MAX

Cooling:

Free air convection

Operation temperature range:

-40°C~+85°C

Storage temperature range:

-55°C ~+125°C

Lead temperature:

300°C MAX, 1.5mm from case for 10 sec

Operating case temperature:

110°C TYP

Case thermal impendance:

70°C/W

Temperature coefficient:

-40°C to +85°C ambient

0.02%/°C MAX

Storage humidity range:

< 95%

MTBF (using MIL-HDBK-217F):

Packing quantities:

42pcs per Tube

Case material:

Non Conductive Black Plastic UL94-V0

Potting material:

Epoxy UL94-V0

Soldering profile:

265°C/10sec. MAX

Weight:

2.3g

Note:

1. All specifications measured at TA=25°C, humidity<75%, nominal input voltage

and rated output load unless otherwise specified.

Output specifications

Item

Test conditions

Min

Typ

Max

Units

Output voltage

accuracy

Full load

±3

%

Output current

1.5

A

Output shorted

current limit

Vout= 0VDC

3.0

A

Internal power

dissipation

1

W

Line regulation

Vin= min. to max. at

full load

0.4

%

Load regulation

0% to 100% load

80

mV

Ripple + Noise

20MHz Bandwidth

60

mVp-p

Dynamic load

stability

100%-50% load

±150

mV

Switching frequency

600

KHz

Thermal shutdown

Internal IC junction

150

°C

Max capacitance

load

470

μF