LCW78_0.5 Cost effective Series
Wide Input Non-Isolated & Regulated, Single Output
Switching Regulator
High performance switching
regulator
Low profile
Efficiency up to 94%
Compatible with LM78
pin-out
The LCW78_0.5 series cost effective high efficiency switching regula-
tors are ideally suited to replace LM78xx linear regulators and are pin
compatible.
(L*W*H=11.6*7.5*10.2)
Wide 9V to 75V operating
input range
Short circuit protection (SCP)
Low output ripple & noise
Model selection:
LC78_yy-pp
LC=Series; ##=Vout; pp=output current
Example:
LCW78_05-0.5
LCW=Series; ##= 5Vout; pp=0.5A
Common specifications
Short circut protection:
Temperature rise at full load:
Cooling:
Output specifications
Continuous, automatic recovery
25°C MAX, 15°C TYP
Free air convection
Item
Test conditions
Full load
Min
Typ
3
Max
Units
%
Output voltage
accuracy
Output current
Output load
10-500mA
Vout= 0VDC
Operation temperature range:
Storage temperature range:
Lead temperature:
-40°C~+100°C
2
%
A
-55°C ~+125°C
Output shorted
current limit
1
300°C MAX, 1.5mm from case for 10 sec
110°C MAX
Operating case temperature:
Temperature coefficient:
Internal power
dissipation
0.7
1
W
%
-40°C to +85°C ambient
0.02%/°C MAX
Line regulation
Vin= min. to max. at
full load
Storage humidity range:
Soldering profile:
MTBF (using MIL-HDBK-217F):
Packing quantities:
Case material:
< 95%
265°C /10sec. max
+25°C 200x103 hours
42pcs per Tube
Load regulation
Ripple + Noise
0% to 100% load
20MHz Bandwidth
100% <-> 50% load
0.6
%
40
mVp-p
mV
Dynamic load
stability
60
Non Conductive Black Plastic UL94-V0
Epoxy UL94-V0
Switching frequency
500
70
KHz
Potting material:
Case Thermal
Impendance
°C/W
Weight:
2.3g
Thermal shutdown
Internal IC junction
160
°C
µF
Note:
Max capacitance
load
100
1. All specifications measured at TA=25°C, humidity<75%, nominal input voltage
and rated output load unless otherwise specified.
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
[Vin. min]
Efficiency
[Vin. max]
Max. capacitive
load
[A]
0.5
0.5
0.5
0.5
0.5
0.5
LCW78_03-0.5
LCW78_05-0.5
LCW78_06-0.5
LCW78_09-0.5
LCW78_12-0.5
LCW78_15-0.5
9-75
9-75
3.3
5
82
88
91
92
94
94
78
82
84
86
89
90
100µF
100µF
100µF
100µF
100µF
100µF
9-75
6.5
9
14-75
17-75
20-75
12
15
Page 1 of 2
GAPTEC-Electronic GmbH & Co. KG
sales@gaptec-electronic.com – www.gaptec-electronic.com
LCW78_0.5 – Rev. 2017-1.3
Specifications subject to change without notice.