Datasheet > AAT3195IJQ-2

AAT3195IJQ-2

更新时间： 2022-12-15 00:27:59

品牌	Logo	应用领域
AAT		驱动器泵
页数	文件大小	规格书
16页	1938K
描述
4-Channel Charge-Pump LED Driver

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数据手册

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AAT3195IJQ-2 数据手册

PRODUCT DATASHEET

AAT3195

ChargePump

4-Channel Charge-Pump LED Driver

Pin Descriptions

Pin #

Symbol

Description

LED2 Current Sink Input. D2 is the input of LED2 current sink. Connect LED2’s anode to OUT and its

cathode to D2.

LED1 Current Sink Input. D1 is the input of LED1 current sink. Connect LED1’s anode to OUT and its

cathode to D1.

Charge Pump Output. OUT is the output of the charge pump. Bypass OUT to AGND with a 1μF or

larger ceramic capacitor.

Charge Pump Capacitor Positive Node. Connect a 1μF ceramic capacitor between C+ and C-.

Power source input. Connect IN to the power source, typically the battery. Bypass IN to AGND with

OUT

C+

a 1μF or larger ceramic capacitor.

LED Enable and serial control input. EN/SET is the ON/OFF control for the LED and the S²Cwire

digital input for the AAT3195-1/-2 to control serially the LED brightness according to the maximum

EN/SET

(AAT3195-1/-2)

current set by R_SET

LED ON/OFF and PWM control input. This logic input controls the LED outputs for the AAT3195-3.

Alternatively, a PWM signal from a GPIO or an equivalent signal from a separate controller can be

used to control LED output current linearly. A PWM signal, ranging from 10% to 100% duty cycle,

controls the LED current linearly between ZS and FS.

EN/PWM

(AAT3195-3)

C-

AGND

Charge Pump Capacitor Negative Node.

Analog Ground. Connect this pin to the system’s analog ground plane.

LED4 Current Sink Input. D4 is the input of LED4 current sink. Connect LED4’s anode to OUT and its

cathode to D4.

LED3 Current Sink Input. D3 is the input of LED3 current sink. Connect LED3’s anode to OUT and its

cathode to D3.

Pin Configuration

SC70JW-10

(Top View)

OUT

C+

AGND

C-

EN/SET (EN/PWM)

w w w . a n a l o g i c t e c h . c o m

3195.2008.09.1.0

123 4 5 6 7...16

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