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RT9301 Datasheet(PDF) 2 Page - Richtek Technology Corporation

Part # RT9301
Description  3-Channel Low Dropout RGB LED Driver
PDF  9 Pages
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Manufacturer  RICHTEK [Richtek Technology Corporation]
Direct Link  http://www.richtek.com
Logo RICHTEK - Richtek Technology Corporation

RT9301 Datasheet(HTML) 2 Page - Richtek Technology Corporation

  RT9301 Datasheet HTML 1Page - Richtek Technology Corporation RT9301 Datasheet HTML 2Page - Richtek Technology Corporation RT9301 Datasheet HTML 3Page - Richtek Technology Corporation RT9301 Datasheet HTML 4Page - Richtek Technology Corporation RT9301 Datasheet HTML 5Page - Richtek Technology Corporation RT9301 Datasheet HTML 6Page - Richtek Technology Corporation RT9301 Datasheet HTML 7Page - Richtek Technology Corporation RT9301 Datasheet HTML 8Page - Richtek Technology Corporation RT9301 Datasheet HTML 9Page - Richtek Technology Corporation  
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RT9301
2
DS9301-02
March 2007
www.richtek.com
Typical Application Circuit
3
~
SET1
3
~
1
SET
3
~
SET1
3
~
LED1
R
0.9V
V
x
800
I
x
800
I
−
=
=
LED3
LED2
LED1
GND
ISET1
V
BAT
VIN
ISET3
ISET2
R
SET3
R
SET2
GPIO
RT9301
R
SET1
1uF
V
BAT
1uF
LED3
LED2
LED1
ISET1
VIN
ISET3
ISET2
RT9301
R
SET3
R
SET2
R
SET1
GPIO
GND
Figure 2. Application circuit for backlight
Figure 3. Application circuit for keypad
GPIO (V) ILED (mA)
RSET (kΩ) Nearest Standard Values for RSET (kΩ)
15
48
47.5
1.8
20
36
36
15
101
100
2.8
20
76
75
LED3
LED2
LED1
GND
ISET1
V
BAT
VIN
ISET3
ISET2
R
SET3
R
SET2
R
SET1
ON
OFF
GPIO
RT9301
V
SET1
V
SET2
V
SET3
1uF
Figure 1. Application circuit for RGB LED



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