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PAM2810ENG PDF预览

PAM2810ENG

更新时间： 2025-09-01 06:02:35

品牌	Logo	应用领域
PAM		/
页数	文件大小	规格书
10页	160K
描述
4-Channel Programmable LED Current Sink

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中文翻译

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PAM2810ENG 数据手册

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PAM2810

4-Channel Programmable LED Current Sink

Features

Description

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Cost Effective LED Driver

The PAM2810 provides 4 regulated current sinks,

capable of sinking up to 40mA current to

accommodate 4 white LEDs. It requires no charge

pump, has no noise and EMI, and significantly

improves the efficiency in Li bettery range.

Support up to 4 White LEDs

Output Current up to 40mA per LED

Low Dropout Voltage

Ultra Low Quiescent Supply Current:

65μA (typ)

No Noise and EMI

Shutdown Current Less than 1μA

Over Temperature Protection

Small Packages : SOT23-8 and DFN

2mmx2mm

LED brightness can be controlled by PWM

techniques. The constant current sink is set with

an external sense resistor.

Alternatively, a PWM signal applied to the EN pin

can vary the anticipated brightness of the LED.

The device is in shut down mode when the EN

input is logic low.

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Pb-free Package

Applications

The PAM2810 is available in SOT23-8 and DFN

2mmX2mm Packages.

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White LED for LCD Display Backlights

White LED Keypad Backlights

1-Cell Li-Ion Battery-operated Equipment

Including PDAs, Hand-held PCs, Cellular

Phone

Typical Application Circuit

VIN

C1

0.1ꢀF

4

VIN

8

LED1

2

EN

7

LED2

PAM2810

6

5

LED3

1

ISET

LED4

GND

3

R1

6.2k

Power Analog Microelectronics,Inc

www.poweranalog.com

08/2008 Rev 1.1

1

12 3 4 5 6 7...10

中文翻译

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