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RT8494GS データシート(PDF) 2 Page - Richtek Technology Corporation

部品番号 RT8494GS
部品情報  High Voltage High Current LED Driver Controller
PDF  17 Pages
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メーカー  RICHTEK [Richtek Technology Corporation]
ホームページ  http://www.richtek.com
Logo RICHTEK - Richtek Technology Corporation

RT8494GS データシート(HTML) 2 Page - Richtek Technology Corporation

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RT8494
2
DS8494-01 November 2015
www.richtek.com
©
Copyright 2015 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
Typical Application Circuit
Figure 1. Analog Dimming in Boost Configuration
Figure 2. Analog Dimming in Buck Configuration
RT8494
L1
ISP
ISN
VCC
EN
5V
VIN
RSENSE
22µH
COUT
1µF
11
9
10µF
SS
VC
RVC
0.1µF
3.3nF
10k
5
8
GND
OVP
VOUT
R1
R2
0.47
GATE
ISW
DCTL
Analog
Dimming
7
ACTL
6
RSET
14
2
10
1
4
3
12
GBIAS
13
RSW
VOUT
CIN
CVC
CSS
1µF
CB
D1
LEDs
M1
0.05
90V (Max.)
4.5V to 36V
RRSET
30k
RT8494
ISW
GATE
VCC
EN
5V
11
9
SS
VC
5
8
GND
OVP
ISP
ISN
DCTL
Analog
Dimming
7
ACTL
6
RSET
3
4
10
1
14
2
12
GBIAS
13
L1
VIN1
RSENSE
22µH
COUT
1µF
10µF
RVC
0.1µF
3.3nF
10k
LEDs
RSW
CIN1
CVC
CSS
1µF
CB
D1
M1
0.05
RRSET
90V (Max.)
4.5V to 36V
CIN2
VIN2
0.47



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