
Quarter-Brick Series | 200W DC/DC
High Current, High Efficiency, Low Profile DC/DC Converters
15
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Protection and Control Features
LQS40A48-5V0 Model
Efficiency
LQS40A48-5V0 Model
Characteristic
Symbol
Min
Typ
Max
Units
Notes and Conditions
Overvoltage setpoint
Vov
5.75
6.25
V DC
Non-latching. See Application
Note 141 for details
Overcurrent limit inception
Ioc
42
46
50
A DC
Vo = 90% of Vo (nom)
Output voltage trim range
110
%
Trim up (% of Vo nom)
Limit output to 200 Watts
80
%
Trim down (% of Vo nom)
See Application Note 141 for
details of trim equations and
trim curves
Open sense voltage
5.00
V DC
Characteristic
Symbol
Min
Typ
Max
Units
Notes and Conditions
Efficiency
η
91.0
92.0
%
Iout = 100% lout (max),
Vin = Vin (nom)
Efficiency
η
93.0
%
Iout = 50% Iout (max),
Vin = Vin (nom)
File Name: lf_quarter_brick_s_ultra.pdf Rev (01): 09 Nov 2004