LCW78_2.0 Cost effective Series
Wide Input Non-Isolated & Regulated, Single Output
Switching Regulator
High performance switching
regulator
Efficiency up to 94%
The LCW78_2.0 series cost effective high efficiency switching regulators
are ideally suited to replace LM78xx linear regulators and are pin
compatible.
Compatible with LM78
pin-out
Low profile
(L*W*H=11.6*7.5*10.2)
Wide 4.5V to 36V operating
input range
Short circuit protection (SCP)
Low output ripple & noise
Example:
LCW78_05-2.0
LCW= Series; 05= 5Vout; pp=2.0A
Common specifications
Short circut protection:
Cooling:
Output specifications
Continuous, automatic recovery
Free air convection
-40°C~+100°C
Item
Test conditions
Full load
Min
0
Typ
3
Max
2
Units
%
Output voltage
accuracy
Operation temperature range:
Storage temperature range:
Operating case temperature:
Temperature coefficient:
Storage humidity range:
Soldering profile:
Output current
A
-55°C ~+125°C
Internal power
dissipation
0.9
50
W
105°C MAX
0.02%/°C MAX
< 95%
Line regulation
Vin= min. to max. at
full load
mV
265°C/10sec. max
Load regulation
10% to 100% load
Vout= 0VDC
50
1
mV
A
MTBF (using MIL-HDBK-217F):
+25°C: 1380x103 hours
+60°C: 655x103 hours
Output shorted
current limit
Packing quantities:
Case material:
Potting material:
Weight:
42pcs per Tube
Ripple + Noise
20MHz Bandwidth
50
mVp-p
mV
Non Conductive Black Plastic UL94-V0
Dynamic load
stability
100% <-> 50% load
(50mA/uS)
100
Epoxy UL94-V0
2.3g
Switching frequency
380
KHz
Case Thermal
Impendance
70
°C/W
Note:
1. All specifications measured at TA=25°C, humidity<75%, nominal input voltage
and rated output load unless otherwise specified.
Thermal shutdown
Internal IC junction
150
°C
Max capacitance
load
220
μF
2. Only typical models listed. If you need other model, please confirm the power,
input voltage and output voltage, and then phone us.
Part Number
Input Voltage
Range [VDC]
Output Voltage
[VDC]
Output Current
Efficiency
Efficiency
[Vin. max]
Max. capacitive
load [µF]
[A]
2.0
2.0
2.0
2.0
[Vin. min]
LCW78_01-2.0
LCW78_02-2.0
LCW78_03-2.0
LCW78_05-2.0
4.5-36
4.5-36
4.5-36
6.5 - 36
1.8
2.5
3.3
5
87
89
93
94
78
82
87
90
220
220
220
220
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GAPTEC-Electronic GmbH & Co. KG
sales@gaptec-electronic.com – www.gaptec-electronic.com
LCW78_2.0 – Rev. 2018-1.1
Specifications subject to change without notice.