ISSUED DATE :2004/02/10
REVISED DATE :2004/11/23C
Step-Down Converter
Test
Line Regulation
Load Regulation
Output Ripple
Short Circuit Current
Efficiency
Output Ripple With Optional Filter
Conditions
Vin= 15V to 25V, Io = 50mA
Vin = 25V, Io = 50mA to 500 mA
Vin = 25V,Io = 500mA
Vin = 25V, R
L
= 0.1
Vin = 25V, Io = 500mA
Vin = 25V, Io = 500mA
12mV = ± 0.12%
3mV = ± 0.03%
120mVp-p
1.1A
83.7%
40mVp-p
Results
External Current Boost Connections for Ic Peak Greater than 1.5A
External NPN Switch
External NPN Saturated Switch
5/6