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L4909 数据表(PDF) 2 Page - STMicroelectronics

部件名 L4909
功能描述  EXTERNALLY ADJUSTABLE MULTIFUNCTION REGULATOR
PDF  7 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

L4909 数据表(HTML) 2 Page - STMicroelectronics

  L4909 Datasheet HTML 1Page - STMicroelectronics L4909 Datasheet HTML 2Page - STMicroelectronics L4909 Datasheet HTML 3Page - STMicroelectronics L4909 Datasheet HTML 4Page - STMicroelectronics L4909 Datasheet HTML 5Page - STMicroelectronics L4909 Datasheet HTML 6Page - STMicroelectronics L4909 Datasheet HTML 7Page - STMicroelectronics  
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L4909
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PIN CONNECTION
Table 1. Pin Description
No. Pin
Name
Function
1
FB1
REG1 feedback voltage input
2
Vo1
REG1 output voltage
3
VinA
Input DC supply voltage
4
TRIG
Trigger for external SCR (crowbar protection)
5
OC
Over current warning output
6
EN1
REG1 enable input
7
EN2
REG2 enable input
8
GND
Analog ground
9
EN3
REG3 enable input
10
FB3
REG3 feedback voltage input
11
Vo3
REG3 output voltage
12
N.C.
Not Connected
13
VinB
Input DC supply voltage
14
Vo2
REG2 output voltage
15
FB2
REG2 feedback voltage input
1
2
3
4
5
6
7
9
10
11
8
VO3
FB3
EN3
GND
EN2
EN1
OC
TRIG
VINA
VO1
FB1
TAB CONNECTED TO PIN 8
13
14
15
12
FB2
VO2
VINB
N.C.
D00AU1153



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