LP3907
LP3907 Default Power-Up Sequence
30017810
Power-On Timing Specification
Symbol
t
1
t
2
t
3
t
4
Description
Programmable Delay from EN_T assertion to V
CC
_Buck1 On
Programmable Delay from EN_T assertion to V
CC
_Buck2 On
Programmable Delay from EN_T assertion to V
CC
_LDO1 On
Programmable Delay from EN_T assertion to V
CC
_LDO2 On
Note:
The LP3907 default Power on delays can be reprogrammed at final test or I
2
C to 1, 1.5, 2, 3, 6, or 11ms.
Min
Typ
1.5
2
3
6
Max
Units
ms
ms
ms
ms
21
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