LMP78_1.5 Series
Wide Input Non-Isolated & Regulated, Single Positive/Negative Output
Switching Regulator (POL)
High performance switching
regulator
Compatible with LM78
pin-out
The LMP78_1.5 series high efficiency switching regulators are ideally
suited to replace LM78xx linear regulators and are pin compatible.
Low profile
Short circuit protection (SCP)
Efficiency up to 90%
Low output ripple/noise
(L*W*H=11.6*7.5*10.2)
Wide 6V to 36V operating
input range
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:
Temperature rise at full load:
Cooling:
Output specifications
Continuous, automatic recovery
40°C MAX
Item
Test conditions
Full load
Min Typ
Max
3
Units
%
Output voltage
accuracy
Free air convection
-40°C~+85°C
Output current
1.5
3.0
A
A
Operation temperature range:
Storage temperature range:
Lead temperature:
Output shorted
current limit
Vout= 0VDC
-55°C ~+125°C
300°C MAX, 1.5mm from case for 10 sec
110°C TYP
Internal power
dissipation
1
W
%
Operating case temperature:
Case thermal impendance:
Temperature coefficient:
70°C/W
Line regulation
Vin= min. to max. at
full load
0.4
60
-40°C to +85°C ambient
0.02%/°C MAX
Load regulation
Ripple + Noise
0% to 100% load
20MHz Bandwidth
100%-50% load
80
mV
Storage humidity range:
< 95%
mVp-p
mV
MTBF (using MIL-HDBK-217F):
+25°C 1000x103 hours
+40°C 500x103 hours
Dynamic load
stability
150
Packing quantities:
Case material:
Potting material:
Soldering profile:
Weight:
42pcs per Tube
Switching frequency
Thermal shutdown
600
470
KHz
Non Conductive Black Plastic UL94-V0
Epoxy UL94-V0
Internal IC junction
150
°C
μF
Max capacitance
load
265°C/10sec. MAX
2.3g
Note:
1. All specifications measured at TA=25°C, humidity<75%, nominal input voltage
and rated output load unless otherwise specified.
Part Number
Input Voltage
Range [VDC]
Output Voltage
[VDC]
Output Current
Efficiency
[Vin. min]
Efficiency
[Vin. max]
Max. Capacitive
load [µF]
[A]
1.5
1.5
LMP78_03-1.5
LMP78_05-1.5
6-36
8-36
3.3
5
86
90
84
88
470
470
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GAPTEC-Electronic GmbH & Co. KG
sales@gaptec-electronic.com – www.gaptec-electronic.com
LMP78_1.5 – Rev. 2015-1.0
Specifications subject to change without notice.