
Rev.09.10.07
eighth-brick series
11 of 31
TechnicalReferenceNote-EIGHTH-BRICKSERIES
Single Output Performance Products
Protection and Control Features
LES40A48-1V8J Model
Efficiency
LES40A48-1V8J Model
Characteristic
Symbol
Min
Typ
Max
Units
Notes and Conditions
Overvoltage setpoint
Vov
2.05
2.25
Vdc
Non-latching. See Application
Note 138 for details
Overcurrent limit inception
Ioc
42
46
50
Adc
Vo = 90% of Vo (nom)
Output voltage trim range
110
%
Trim up (% of Vo nom)
Limit output to 72 Watts
80
%
Trim down (% of Vo nom)
See Application Note 138 for
details of trim equations and
trim curves
Open sense voltage
1.80
Vdc
Characteristic
Symbol
Min
Typ
Max
Units
Notes and Conditions
Efficiency
h
88.5
90.0
%Iout = 100% lout (max),
Vin = Vin (nom)
Efficiency
h
91.4
%Iout = 50% Iout (max),
Vin = Vin (nom)