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STP4CMPQTR Fiches technique(PDF) 5 Page - STMicroelectronics

No de pièce STP4CMPQTR
Description  Low voltage 4-channel constant current LED driver with charge pump
PDF  22 Pages
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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STP4CMPQTR Fiches technique(HTML) 5 Page - STMicroelectronics

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STP4CMP
Pin configuration
Doc ID 15770 Rev 2
5/22
2
Pin configuration
Figure 3.
Pin connection (top through view)
Table 3.
Pin description
Pin number
Symbol
Name and function
1
ON1
LED1 enable
2
ON2
LED2 enable
3
ON3
LED3 enable
4
ON4
LED4 enable
5
EN
Chip enable
6ISET1
LED1 max. current setting resistor
7ISET2
LED2 max. current setting resistor
8ISET3
LED3 max. current setting resistor
9ISET4
LED4 max. current setting resistor
10
GND
Ground
11
CP_Sel
Charge pump mode selection, ‘1’ => enable; ‘0’ => disable
12
LED4
4th LED current sink
13
LED3
3rd LED current sink
14
LED2
2nd LED current sink
15
LED1
1st LED current sink
16
VCC
Supply voltage
17
VOUT
Charge pump output
18
C1P
Positive terminal of charge pump bucket capacitor



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