AsahiKASEI AP4470 Manual page 11

1.0
0.5
0
2.0
VBOOST(V)
1.0
0
3.55(VDETH1)
3.45(VDETL1)
3.3(VDETH2)
2.6(VDETL2)
0
VSYS2
STUP_FLG(V)
0
3.55(VDETH1)
3.45(VDETL1)
3.3(VDETH2)
2.6(VDETL2)
0
3.55(VDETH1)
3.45(VDETL1)
3.3(VDETH2)
PDH_STUP(V)
2.6(VDETL2)
0
3.55(VDETH1)
3.45(VDETL1)
3.3(VDETH2)
2.6(VDETL2)
0
Figure 11.3.3
200200020-E-01
VIN (V)
VSTRG(V)
OFF
(Hi-Z)
VSYS(V)
OFF
(Hi-Z)
Pull-down
(10MΩ)
PGOOD(V)
LSW3
ON
(=VSS)
DC/DC converting sequence 1 (I
ON
(=VSS)
VSYS
LSW3
OFF
(Hi-Z)
Time
< (I
STRG OUT
- 11 -
OFF
(Hi-Z)
LSW3
OFF
(Hi-Z)
+ I + I ))
VDD1 VDD2
[AP4470]
OFF
(Hi-Z)
2020/3