SP6655 Datasheet, PDF (7/16 Pages) Sipex Corporation – High Efficiency 400mA Synchronous Buck Regulator Ideal for portable designs powered with Li Ion battery

TYPICAL PERFORMANCE CHARACTERISTICS
Refer to the typical application schematic, T_AMB= +27°C
CH.1=VSHDN
5.0V/DIV.
CH.2=VOUT
2.0V/DIV.
CH.4=ILX
0.5A/DIV.
V_IN Start up, V_IN=4.2V, I_OUT=0.4A, V_OUT=3.3V
CH.1=VIN
5.0V/DIV.
CH.2=V_OUT
0.5V/DIV.
CH.4=IIN
0.5A/DIV.
V_IN Start up,V_IN=4.2V, I_OUT=0.4A, V_OUT=1.5V
Load Step, V_IN=4.2V, I_OUT=0.1A to 0.4A, V_OUT=3.3V
Load Step, V_IN=4.2V, I_OUT=0.1A to 0.4A, V_OUT=1.5V
CH.1=VSHDN
5.0V/DIV.
CH.1=VSHDN
5.0V/DIV.
CH.2=V_OUT
2.0V/DIV.
CH.4=ILX
0.5A/DIV.
CH.2=VOUT
0.5V/DIV.
CH.4=I_LX
0.5A/DIV.
Start up from SHDN, V_IN=5V ,I_OUT=0.4A, V_OUT=3.3V
Start up from SHDN, V_IN=5V, I_OUT=0.4A, V_OUT=1.5V
Date: 7/12/04
SP6655 High Efficiency 400mA Synchronous Buck Regulator
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© Copyright 2004 Sipex Corporation