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MAX8821ETI+集成電路(IC)的LED驅動器規(guī)格書PDF中文資料

MAX8821ETI+
廠商型號

MAX8821ETI+

參數(shù)屬性

MAX8821ETI+ 封裝/外殼為28-WFQFN 裸露焊盤;包裝為卷帶(TR);類別為集成電路(IC)的LED驅動器;MAX8821ETI+應用范圍:背光;產(chǎn)品描述:IC LED DRVR RGLTR I2C 28TQFN

功能描述

White LED Charge Pump with Mono Class D Audio Amp and Dual LDO

封裝外殼

28-WFQFN 裸露焊盤

文件大小

902.7 Kbytes

頁面數(shù)量

29

生產(chǎn)廠商 Maxim Integrated Products
企業(yè)簡稱

Maxim美信

中文名稱

美信半導體官網(wǎng)

原廠標識
數(shù)據(jù)手冊

下載地址一下載地址二到原廠下載

更新時間

2025-2-23 22:30:00

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MAX8821ETI+規(guī)格書詳情

General Description

The MAX8821 integrates a charge pump for white LEDs, an audio loudspeaker amplifier, and two low noise LDOs controlled by an I2C control interface. The high-efficiency, adaptive-mode inverting charge pump drives up to six LEDs with constant current for uniform brightness. The LED current is controlled by an I2C interface and adjusts from 0.1mA to 25.6mA per LED into 32 pseudo-logarithmic steps. Independent voltages for each LED maximize efficiency even with large LED forward voltage (VF) mismatch. An internal temperature derating function reduces the current above +40°C to protect the LEDs.

Features

? White LED Inverting Charge Pump

??? Independent Adaptive Current Regulators for Each LED

??? 6 Low-Dropout Current Regulators

??? Flexible I2C Dimming Control for Each LED

??? Ramp-Up/Down, Current Control for Each LED

??? Low 70μA (typ) Quiescent Current

??? TA Derating Function Protects LEDs

? Mono 2W Class D Loudspeaker Amplifier

??? 85 Efficiency (RL = 8Ω, POUT = 600mW)

??? Low 0.05 THD+N at 1kHz

??? High 65dB PSRR at 1kHz

??? Fully Differential Inputs

??? -3dB to +24dB Gain Settings in 3dB Steps

??? Integrated Click-and-Pop Suppression

??? Low Quiescent Current

? Dual Low-Noise LDO

??? 45μVRMS Output Noise, 70dB PSRR

??? Flexible I2C-Controlled Output Voltages

??? 200mA and 300mA Output Current Drive

Applications

??? Cell Phones and Smartphones

??? PDAs, Digital Cameras, Camcorders

??? MP3 Players, GPS Devices

產(chǎn)品屬性

  • 產(chǎn)品編號:

    MAX8821ETI+

  • 制造商:

    Analog Devices Inc./Maxim Integrated

  • 類別:

    集成電路(IC) > LED 驅動器

  • 包裝:

    卷帶(TR)

  • 類型:

    DC DC 穩(wěn)壓器

  • 拓撲:

    開關電容器(充電泵)

  • 內部開關:

  • 輸出數(shù):

    6 + 2LDOs

  • 電壓 - 供電(最低):

    2.7V

  • 電壓 -?供電(最高):

    5.5V

  • 電流 - 輸出/通道:

    25.6mA

  • 頻率:

    1MHz

  • 調光:

    I2C

  • 應用:

    背光

  • 工作溫度:

    -40°C ~ 85°C(TA)

  • 安裝類型:

    表面貼裝型

  • 封裝/外殼:

    28-WFQFN 裸露焊盤

  • 供應商器件封裝:

    28-TQFN(4x4)

  • 描述:

    IC LED DRVR RGLTR I2C 28TQFN

供應商 型號 品牌 批號 封裝 庫存 備注 價格
MAXIM
2020+
TQFN16
80000
只做自己庫存,全新原裝進口正品假一賠百,可開13%增
詢價
2017+
TDFN16
6528
只做原裝正品假一賠十!
詢價
MAXIM/美信
2407+
QFN16
7750
原裝現(xiàn)貨!實單直說!特價!
詢價
MAXIM
22+
QFN-16
8200
原裝現(xiàn)貨庫存.價格優(yōu)勢!!
詢價
MAXIM/美信
24+
QFN28
23
原裝現(xiàn)貨假一賠十
詢價
Maxim
1716+
?
11520
只做原裝進口,假一罰十
詢價
N/A
2447
SMD
100500
一級代理專營品牌!原裝正品,優(yōu)勢現(xiàn)貨,長期排單到貨
詢價
MAXIM/美信
22+
2500REEL
18000
原裝現(xiàn)貨原盒原包.假一罰十
詢價
Maxim
20+
na
65790
原裝優(yōu)勢主營型號-可開原型號增稅票
詢價
MAXIM
24+
QFN-16
4652
公司原廠原裝現(xiàn)貨假一罰十!特價出售!強勢庫存!
詢價