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RT4539AWSC Arkusz danych(PDF) 3 Page - Richtek Technology Corporation

Numer części RT4539AWSC
Szczegółowy opis  39V High Efficiency Boost Converter with I2C Controlled 6-CH LED Driver
PDF  39 Pages
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Producent  RICHTEK [Richtek Technology Corporation]
Strona internetowa  http://www.richtek.com
Logo RICHTEK - Richtek Technology Corporation

RT4539AWSC Arkusz danych(HTML) 3 Page - Richtek Technology Corporation

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RT4539A
Copyright © 2022 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation
DS4539A-01
December 2022
www.richtek.com
3
Functional Pin Description
Pin No.
Pin Name
Pin Function
WL-CSP-20B
1.71x2.371 (BSC) WQFN-24L 4x4
A1, B1
1, 2
LX
Switch node of boost converter.
A2, B2
3, 4
PGND
Power ground.
A3
5
SDA
Data signal input of I2C interface.
A4
6
SCL
Clock signal input of I2C interface.
B3
9
PWM
PWM dimming control input.
B4
7
EN
Enable control input (Active High).
C1
22
VIN
Device power supply input.
C2
20
VOUT
Output of boost converter.
C3, D2
--
NC
Not connected.
C4
12
FB3
Current sink for LED3.
D1
19
VCP
Internal LDO output pin. Connect a capacitor (Ccp) between
this pin and the ground reference.
D3
10, 11, 15, 24 GND
Ground.
D4
13
FB2
Current sink for LED2.
E1
18
FB6
Current sink for LED6.
E2
17
FB5
Current sink for LED5.
E3
16
FB4
Current sink for LED4.
E4
14
FB1
Current sink for LED1.
--
8, 21, 23
NC1 to NC3 Not connected.
--
25
(Exposed pad) AGND
Analog ground. The exposed pad must be soldered to a
large PCB and connect to AGND for maximum power
di i ti



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