參數(shù)資料
型號: LP3906SQX-TKXII
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類: 穩(wěn)壓器
英文描述: SWITCHING REGULATOR, 2000 kHz SWITCHING FREQ-MAX, QCC24
封裝: 5 X 4 MM, 0.80 MM HEIGHT, LLP-24
文件頁數(shù): 13/40頁
文件大?。?/td> 4200K
代理商: LP3906SQX-TKXII
LP3906 Default Power-Off Sequence
20197811
Symbol
Description
Min
Typ
Max
Units
t
1
Programmable Delay from EN_T deassertion to V
CC_Buck1 Off
1.5
ms
t
2
Programmable Delay from EN_T deassertion to V
CC_Buck2 Off
2
ms
t
3
Programmable Delay from EN_T deassertion to V
CC_LDO1 Off
3
ms
t
4
Programmable Delay from EN_T deassertion to V
CC_LDO2 Off
6
ms
Note: LP3906 The default Power on delays can be reprogrammed at final test to 0, .5, 1, 2, 5, or 10 ms. Default setting is the same as the on sequence.
Power-On-Reset
The LP3906 is equipped with an internal Power-On-Reset
(“POR”) circuit that will reset the logic when VDD < V
POR. This
guarantees that the logic is properly initialized when VDD ris-
es above the minimum operating voltage of the Logic and the
internal oscillator that clocks the Sequential Logic in the Con-
trol section.
www.national.com
20
LP3906
相關PDF資料
PDF描述
LP3906SQDJXI 2 A DUAL SWITCHING CONTROLLER, 2000 kHz SWITCHING FREQ-MAX, QCC24
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LP3907 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:Dual High-Current Step-Down DC/DC and Dual Linear Regulator with I2C Compatible Interface
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