TPS61240, TPS61241
www.ti.com .............................................................................................................................................................. SLVS806A–APRIL 2009–REVISED MAY 2009
V
= 1 V/div
IN
V
OUT
= 200 mV/div
V
= 50 mv/div
OUT
V
V
I
= 3.6 V
= 5 V
IN
V
V
I
= 3.6 V - 4.2 V
= 5 V
OUT
IN
= 50 - 200 mA
I
COIL
= 200 mA/div
OUT
OUT
= 50 mA
OUT
I
= 200 mA/div
COIL
200 mA
50 mA
I
= 200 mA/div
OUT
t - Time Base - 100 ms/div
t - Time Base - 20 ms/div
Figure 11. Load Transient Response 0mA–200mA and
200mA–0mA
Figure 12. Line Transient Response 3.6V–4.2V at 50mA
Load
EN = 5 V/div
V
= 1 V/div
IN
V
= 1 V/div
OUT
V
= 50 mv/div
OUT
V
V
I
= 3.6 V - 4.2 V
= 5 V
IN
OUT
I
= 200 mA/div
V
V
I
= 3.6 V
= 5 V
= 200 mA
COIL
IN
OUT
OUT
= 10 mA
OUT
I
= 200 mA/div
COIL
t - Time Base - 50 ms/div
t - Time Base - 100 ms/div
Figure 13. Line Transient Response 3.6V–4.2V at 200mA
Load
Figure 14. Startup After Enable – No Load
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