Datasheet > WhiteLED> RT9301

RT9301

更新时间： 2024-02-20 04:48:41

品牌	Logo	应用领域
立锜 - RICHTEK		驱动器白色LED灯
页数	文件大小	规格书
9页	251K
描述
3-Channel Low Dropout RGB LED Driver

阅读下载

中文翻译

获取价格

技术参数
数据手册

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RT9301 技术参数

Status：	Active	Vin (min) (V)：	2.8
Vin (max) (V)：	5.5	SW Freq (typ) (kHz)：
Number of LEDs (max) (pcs)：	3	Iout (max)/channel (mA)：	20
Iq (typ) (mA)：	0.5	Dimming Control：	PWM
Topology：		Features：	Enable Input
Package Type：	TSOT-28;WDFN3x3-8

RT9301 数据手册

RT9301

Typical Operating Characteristics

LED Current vs. Input Voltage

LED Current vs. V_SET

V_f1= 3.02V, V_f2= 3.06V, V_f3= 3.17V

R_SET= 51k

R_SET= 36k

R_SET= 75k

LED1

LED2

LED3

R_SET= 160k

R_SET= 360k

2.5

3.5

4.5

5.5

1.5

2.5

3.5

4.5

5.5

Input Voltage (V)

V_SET(V)

LED Current vs. Temperature

Dimming Operation

20.4

20.3

20.2

20.1

V_BAT= 5.0V

I_LED= 20mA

(1V/Div)

V_SET

(10mA/Div)

19.9

19.8

19.7

I_LED

-40 -25 -10

Time (100μs/Div)

(°C)

Temperature

Enable & Shutdown Response

Line Transient Response

V_BAT= 5.0V

V_BAT= 3.7V to 4.2V, I_LED= 20mA

(1V/Div)

V_SET

(10mA/Div)

V_IN

(10mA/Div)

I_LED

Time (50μs/Div)

DS9301-02 March 2007

www.richtek.com

1 2 3 456 7 8 9

中文翻译

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