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MIC2846A データシート (PDF) - Micrel Semiconductor

MIC2846A Datasheet PDF - Micrel Semiconductor
部品番号 MIC2846A
ダウンロード  MIC2846A ダウンロード

ファイルサイズ   1508.1 Kbytes
ページ   19 Pages
メーカー  MICREL [Micrel Semiconductor]
ホームページ  http://www.micrel.com
Logo MICREL - Micrel Semiconductor
部品情報 High Efficiency 6 Channel Linear WLED Driver with DAM?? Digital Control and Dual Low IQ LDOs

MIC2846A Datasheet (PDF)

Go To PDF Page ダウンロード データシート
MIC2846A Datasheet PDF - Micrel Semiconductor

部品番号 MIC2846A
ダウンロード  MIC2846A Click to download

ファイルサイズ   1508.1 Kbytes
ページ   19 Pages
メーカー  MICREL [Micrel Semiconductor]
ホームページ  http://www.micrel.com
Logo MICREL - Micrel Semiconductor
部品情報 High Efficiency 6 Channel Linear WLED Driver with DAM?? Digital Control and Dual Low IQ LDOs

MIC2846A データシート (HTML) - Micrel Semiconductor

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MIC2846A 製品詳細

General Description
The MIC2846A is a high efficiency White LED (WLED) driver featuring two low quiescent current LDOs. It is designed to drive up to six LEDs and greatly extend battery life for portable display backlighting and keypad backlighting in mobile devices. The MIC2846A architecture provides the highest possible efficiency by eliminating switching losses present in traditional charge pumps or inductive boost circuits. With a typical dropout of 40mV at 20mA, the MIC2846A allows the LEDs to be driven directly from the battery eliminating switching noise and losses present with the use of boost circuitry.

Features
WLED Driver
• High Efficiency (no Voltage Boost losses)
• Dynamic Average Matching™ (DAM™)
• Single wire digital control
• Input voltage range: 3.0V to 5.5V
• Dropout of 40mV at 20mA
• Matching better than ±1.5% (typical)
• Current accuracy better than ±1.5% (typical)
• Maintains proper regulation regardless of how many
   channels are utilized

LDOs
• Very low ground current – Typical 35µA
• Stable with 1µF ceramic output capacitor
• Dropout at 150mV at 150mA
• Thermal shutdown and current limit protection
• Available in a 2.5mm x 2.5mm 14-pin Thin MLF®
   package

Applications
• Mobile handsets
• LCD Handset backlighting
• Handset keypad backlighting
• Digital cameras
• Portable media/MP3 players
• Portable navigation devices (GPS)
• Portable applications




同様の部品番号 - MIC2846A

メーカー部品番号データシート部品情報
logo
Micrel Semiconductor
MIC2846-MFYMT MICREL-MIC2846-MFYMT Datasheet
1Mb / 21P
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MIC2846-MGYMT MICREL-MIC2846-MGYMT Datasheet
1Mb / 21P
   6 Channel High Side Current Source WLED driver
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同様の説明 - MIC2846A

メーカー部品番号データシート部品情報
logo
Micrel Semiconductor
MIC2845A MICREL-MIC2845A Datasheet
1Mb / 18P
   High Efficiency 6 Channel Linear WLED Driver with DAM?? Ultra Fast PWM??Control and Dual Low IQ LDOs
MIC2844A MICREL-MIC2844A Datasheet
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   High Efficiency 6 Channel WLED Driver with DAM??and Single Wire Digital Control
MIC2843A MICREL-MIC2843A Datasheet
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MIC2842A MICREL-MIC2842A Datasheet
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MIC2841A MICREL-MIC2841A Datasheet
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   High Efficiency 4 Channel Linear WLED Driver with DAM??and Ultra Fast PWM??Control
MIC4811 MICREL-MIC4811 Datasheet
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MIC4811_1104 MICREL-MIC4811_1104 Datasheet
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   High Current 6 Channel Linear WLED Driver with DAM??and Ultra Fast PWM??Control
MIC4812 MICREL-MIC4812 Datasheet
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   High Current 6 Channel Linear WLED Driver with DAM??and Ultra Fast PWM??Control
MIC4812_1104 MICREL-MIC4812_1104 Datasheet
688Kb / 12P
   High Current 6 Channel Linear WLED Driver with DAM??and Ultra Fast PWM??Control
MIC2843 MICREL-MIC2843 Datasheet
1Mb / 15P
   High-Efficiency 6-Channel Linear WLED Driver with Ultra-Fast PWM??Control
More results



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