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L4949ED 数据表(PDF) 9 Page - STMicroelectronics

部件名 L4949ED
功能描述  Multifunction very low drop voltage regulator
PDF  19 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

L4949ED 数据表(HTML) 9 Page - STMicroelectronics

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L4949E
Electrical specifications
Doc ID 4275 Rev 6
9/19
Table 7.
Sense
Symbol
Parameter
Test condition
Min.
Typ.
Max.
Unit
Vst
Sense low threshold
1.16
1.23
1.35
V
Vsth
Sense threshold hysteresis
20
100
200
mV
VSL
Sense output low voltage
VSI ≤ 1.16 V; VS ≥ 3V
RSO = 10 KΩ to VO
0.4
V
ISH
Sense output leakage
VSO = 5 V; VSI ≥ 1.5 V
1
µA
ISI
Sense input current
VSI = 0
-20
-8
-3
µA
Table 8.
Preregulator
Symbol
Parameter
Test condition
Min.
Typ.
Max.
Unit
VZ
Preregulator output voltage
IZ = 10 µA
4.5
5
6
V
IZ
Preregulator output current
10
µA
Obsolete
Product(s)
- Obsolete
Product(s)



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