LCE78_1.0 Cost effective Series
Wide Input Non-Isolated & Regulated, Single Output
Switching Regulator
Cost Effective Switching
Regulator
Compatible With LM78
The LCE78_1.0 series cost effective high efficiency switching regulators
are ideally suited to replace LM78xx linear regulators and are pin
compatible.
Pin-Out
Low Profile (L*W*H =
11.6 * 6.0 * 10.2mm)
Wide 5V to 28V Operating
Input Range
Short Circuit Protection (SCP)
No Heat Sink Required
Low Ripple and Noise
Example:
LCE78_05-1.0
LCE = Series; 05 = 5Vout; 1.0 = 1.0A
Efficiency up to 91%
Common specifications
Short circut protection:
Temperature rise at full load:
Cooling:
Output specifications
Continuous, automatic recovery
40°C MAX
Item
Test conditions
0-1000mA
Min
Typ
Max
Units
Output current
Free air convection
Output voltage
accuracy
Vin=min. to max. at
full load
3
%
%
%
Operation temperature range:
Storage temperature range:
Lead temperature:
-40°C~+100°C, see derating graph
-55°C ~+125°C
Line regulation
Vin= min. to max. at
full load
0.5
300°C MAX, 1.5mm from case for 10 sec
100°C MAX
Load regulation
Ripple + Noise
0% to 100% load
1.2
60
Operating case temperature:
Temperature coefficient:
Vo=5.0VDC at 20MHz
Bandwidth
mVp-
p
-40°C to +85°C ambient
0.025%/°C TYP
Dynamic load
stability
100%-50% load
150
mV
KHz
mA
Temperature rise at full load:
Storage humidity range:
40°C MAX
< 95%
+25°C 1200x103 hours
+60°C 720x103 hours
Switching fre-
quency
330
160
MTBF (using MIL-HDBK-217F):
No load input
current
Vin=24VDC at 0% load
Internal IC junction
15
Packing quantities:
Case material:
Potting material:
Weight:
42pcs per Tube
Thermal shutdown
°C
Non Conductive Black Plastic UL94-V0
Max capacitance
load
220
μF
Epoxy UL94-V0
1.3g
Note:
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. min]
Efficiency
[A]
1.0
1.0
[Vin. 24VDC]
LCE78_03-1.0
LCE78_05-1.0
5-28
3.3
89
93
88
91
79
85
6.5-28
5.0
Page 1 of 2
LCE78_1.0A – Rev. 2020-1.1
Specifications subject to change without notice.
GAPTEC-Electronic GmbH & Co. KG
sales@gaptec-electronic.com – www.gaptec-electronic.com