LTM4601

製造中

PLL、出力トラッキングおよびマージニングを備えた12A µModuleレギュレータ

利用上の注意

本データシートの英語以外の言語への翻訳はユーザの便宜のために提供されるものであり、リビジョンが古い場合があります。最新の内容については、必ず最新の英語版をご参照ください。

なお、日本語版のデータシートは基本的に「Rev.0」(リビジョン0)で作成されています。そのため、英語版が後に改訂され、複数製品のデータシートがひとつに統一された場合、同じ「Rev.0」の日本語版のデータシートが異なる製品のデータシートとして表示されることがあります。たとえば、「ADM3307E」の場合、日本語データシートをクリックすると「ADM3311E」が表示されます。これは、英語版のデータシートが複数の製品で共有できるように1本化され、「ADM3307E/ADM3310E/ADM3311E/ADM3312E/ADM3315E」(Rev.J)と改訂されたからで、決して誤ってリンクが張られているわけではありません。和文化されたデータシートを少しでも有効に活用していただくためにこのような方法をとっておりますので、ご了解ください。

アナログ・デバイセズ社は、提供する情報が正確で信頼できるものであることを期していますが、その情報の利用に関して、あるいはその利用によって生じる第三者の特許やその他の権利の侵害に関して一切の責任を負いません。また、アナログ・デバイセズ社の特許または特許の権利の使用を明示的または暗示的に許諾するものでもありません。仕様は予告なしに変更する場合があります。本紙記載の商標および登録商標は、各社の所有に属します。

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製品情報

  • 完全なスイッチ・モード電源
  • 広い入力電圧範囲:4.5V~20V
  • 出力電流:標準12A(DC)、14A(ピーク値)
  • 出力電圧範囲:0.6V~5V
  • 出力電圧トラッキングおよびマージニング
  • 複数のμModuleレギュレータを並列接続することにより、電流分担を実現
  • 差動リモート検出による高精度レギュレーション(LTM4601のみ)
  • PLL周波数同期
  • ±1.5%のレギュレーション
  • 電流フォールドバック保護(起動時はディスエーブル)
  • SnPb仕上げまたはRoHS準拠の仕上げ
  • 超高速(UltraFast)トランジェント応答
  • 電流モード制御
  • 5V入力、3.3V出力時の効率:最大95%
  • プログラム可能なソフトスタート
  • 出力過電圧保護
  • 表面実装面積が小さく、高さの低い(15mm × 15mm × 2.82mm)表面実装LGAパッケージと(15mm × 15mm × 3.42mm)BGAパッケージ

LTM4601は完全な12A降圧スイッチモードDC/DC電源で、スイッチング・コントローラ、MOSFET、インダクタ、およびすべての支持部品がパッケージ内に実装されています。このμModule®レギュレータは、小型の表面実装LGAパッケージおよびBGAパッケージ(LGA:15mm × 15mm × 2.82mm、BGA:15mm × 15mm × 3.42mm)に収容されています。LTM4601は4.5V~20Vの入力電圧範囲で動作し、0.6V~5Vの出力電圧範囲だけでなく、出力電圧のトラッキングとマージニングもサポートしています。高効率設計により、12Aの連続電流(14Aのピーク電流)を供給します。設計を完了するために必要なのは、入力と出力のバルク・コンデンサだけです。

高さの低い軽量パッケージなので、プリント回路基板裏面の未使用スペースへの実装が容易で、高密度のポイントオブロード・レギュレーションが可能です。このμModuleレギュレータは外部クロックと同期可能なので、望ましくない周波数の高調波を低減できます。また、PolyPhase®動作により、大きな負荷電流を供給できます。

高いスイッチング周波数と適応型オン時間電流モード・アーキテクチャにより、安定性を損なうことなく入力および負荷の変動に対するきわめて高速なトランジェント応答を実現します。内蔵の差動リモート検出アンプを使用して、負荷電流と関係なく出力電圧を高精度で安定化することができます。このリモート検出アンプはLTM4601-1には内蔵されていません。


LTM4601 LTM4601A LTM4601HV LTM4601AHV
VIN Max 20V 20V 28V 28V
On-Board Remote Sense

LTM4601 Yes

LTM4601-1 No

LTM4601A Yes

LTM4601A-1 No

Yes Yes
Back Side Pads 118 135 (for stronger solder joint stability) 118 135 (for stronger solder joint stability)

アプリケーション

  • 通信機器およびネットワーク機器
  • サーバ
  • 産業用機器
  • ポイントオブロード・レギュレーション

LTM4601
PLL、出力トラッキングおよびマージニングを備えた12A µModuleレギュレータ
1.5V/12A Power Supply with 4.5V to 20V Input Efficiency and Power Loss vs Load Current Product Package 1 Product Package 2
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データシート

これは最新改訂バージョンのデータシートです。

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発振器 1
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LTspice

LTspice®は、無料で提供される強力で高速な回路シミュレータと回路図入力、波形ビューワに改善を加え、アナログ回路のシミュレーションを容易にするためのモデルを搭載しています。

 


評価用キット

eval board
DC1118A-A

LTM4601EV Demo Board | LTM4601(x2), 5V ≤ VIN ≤ 20V, VOUT1 = 3.3V @ 10A, VOUT2 = 2.5V @ 12A

製品詳細

Demonstration circuit 1118A-A features two independent LTM4601EV high efficiency, high density switch mode step-down power modules. The input voltage range is from 5V to 20V. The output voltages are 3.3V and 2.5V; refer to step down ratio curve in the LTM4601 datasheet. The rated load currents are 10A for the 3.3V output and 12A for the 2.5V output, while derating is necessary for certain VIN and thermal conditions. The output of U2 is set to coincidentally track with the 3.3V output. Margining function is provided for the user who wants to stress their system by varying supply voltages during testing. Integrated input and output filters enable a simple PCB layout. Only bulk input and output capacitors are needed.


 


eval board
DC1041A-A

LTM4601 Demo Board | 4.5V ≤ VIN ≤ 20V, VOUT = 0.6V to 5V @ 12A

製品詳細

Demonstration circuit DC1041A-A features the LTM4601EV, a 12A high efficiency, high density switch mode step-down converter. The input voltage range is from 4.5V to 20V. The output voltage is jumper selectable for popular voltages from 0.6V to 5V. The PLLIN pin supports synchronizing the μModule® regulator to an external clock. The TRACK/SS pin allows the user to program output ramp-up and ramp-down rates which may coincidentally or ratiometrically track with another supply’s output if desired. Output voltage margining of ±5% from the nominal value is available via the margin control pins MARG0 and MARG1.

eval board
DC1043A-C

LTM4601 Demo Board | LTM4601(×4), 5V ≤ VIN ≤ 20V, VOUT = 0.6V to 3.3V @ 40A

製品詳細

Demonstration circuit DC1043A-C features four LTM4601EV high efficiency, high density switch mode step-down power modules in parallel (the LTM4601-1 can be substituted for the slave devices). The input voltage range is from 5.0V to 20V. The output voltage is programmable from 0.6V to 3.3V; refer to step down ratio curve in the LTM4601 datasheet. The rated load current is 40A, while de-rating is necessary for certain VIN, VOUT, and thermal conditions. Master module U1 provides differential remote sensing to accurately regulate output voltage independent of load current. Integrated input and output filters enable a simple PCB layout. Only bulk input and output capacitors are needed externally.

eval board
DC1118A-C

LTM4601EV Demo Board | LTM4601(x4), 5V ≤ VIN ≤ 20V, VOUT1 = 3.3V @ 10A, VOUT2 = 2.5V @ 12A, VOUT3 = 1.8V @ 12A, VOUT4 = 1.5V @ 12A

製品詳細

Demonstration circuit 1118A-C features four independent LTM4601EV high efficiency, high density switch mode step-down power modules. The input voltage range is from 5V to 20V. The output voltages are 3.3V, 2.5V,1.8V and 1.5V; refer to step down ratio curve in the LTM4601 datasheet. The rated load currents are 10A for the 3.3V output, and 12A for the 2.5V, 1.8V and 1.5V outputs, while derating is necessary for certain VIN and thermal conditions. The output of U2 is set to coincidentally track with the 3.3V output. Margining function is provided for the user who wants to stress their system by varying supply voltages during testing. Integrated input and output filters enable a simple PCB layout; only bulk input and output capacitors are needed.


 


eval board
DC1118A-B

LTM4601EV Demo Board | LTM4601(x3), 5V ≤ VIN ≤ 20V, VOUT1 = 3.3V @ 10A, VOUT2 = 2.5V @ 12A, VOUT3 = 1.8V @ 12A

製品詳細

Demonstration circuit 1118A-B features three independent LTM4601EV high efficiency, high density switch mode step-down power modules. The input voltage range is from 5V to 20V. The output voltages are 3.3V, 2.5V and 1.8V; refer to step down ratio curve in the LTM4601 datasheet. The rated load currents are 10A for the 3.3V output, 12A for the 2.5V output and 12A for the 1.8V output, while derating is necessary for certain VIN and thermal conditions. The output of U2 is set to coincidentally track with the 3.3V output. Margining function is provided for the user who wants to stress their system by varying supply voltages during testing. Integrated input and output filters enable a simple PCB layout; only bulk input and output capacitors are needed.

eval board
DC1043A-B

LTM4601 Demo Board | LTM4601(×3), 5V ≤ VIN ≤ 20V, VOUT = 0.6V to 3.3V @ 30A

製品詳細

Demonstration circuit DC1043A-B features three LTM4601EV high efficiency, high density switch mode step-down power modules in parallel (the LTM4601-1 can be substituted for the slave devices). The input voltage range is from 5.0V to 20V. The output voltage is programmable from 0.6V to 3.3V; refer to step down ratio curve in the LTM4601 datasheet. The rated load current is 30A, while de-rating is necessary for certain VIN, VOUT, and thermal conditions. Master module U1 provides differential remote sensing to accurately regulate output voltage independent of load current. Integrated input and output filters enable a simple PCB layout. Only bulk input and output capacitors are needed externally.

eval board
DC1043A-A

LTM4601 Demo Board | LTM4601(×2), 5V ≤ VIN ≤ 20V, VOUT = 0.6V to 3.3V @ 20A

製品詳細

Demonstration circuit DC1043A-A features the LTM4601EV and LTM4601-1EV, the high efficiency, high density switch mode step-down power modules. The input voltage range is from 5.0V to 20V. The output voltage is programmable from 0.6V to 3.3V; refer to step down ratio curve in the LTM4601 datasheet. The rated load current is 20A, while de-rating is necessary for certain VIN, VOUT, and thermal conditions. 24A load current can be achieved by applying forced airflow convection or attaching heatsinks. Master module U1 provides differential remote sensing to accurately regulate output voltage independent of load current. Integrated input and output filters enable a simple PCB layout. Only bulk input and output capacitors are needed externally. The DC1043A-A has on-board 180 degree interleaving clock generator.

DC1118A-A
LTM4601EV Demo Board | LTM4601(x2), 5V ≤ VIN ≤ 20V, VOUT1 = 3.3V @ 10A, VOUT2 = 2.5V @ 12A
DC1118A-A - Schematic
DC1041A-A
LTM4601 Demo Board | 4.5V ≤ VIN ≤ 20V, VOUT = 0.6V to 5V @ 12A
DC1041A-A - Schematic
DC1043A-C
LTM4601 Demo Board | LTM4601(×4), 5V ≤ VIN ≤ 20V, VOUT = 0.6V to 3.3V @ 40A
DC1043A-A - Schematic
DC1118A-C
LTM4601EV Demo Board | LTM4601(x4), 5V ≤ VIN ≤ 20V, VOUT1 = 3.3V @ 10A, VOUT2 = 2.5V @ 12A, VOUT3 = 1.8V @ 12A, VOUT4 = 1.5V @ 12A
DC1118A-C - Schematic
DC1118A-B
LTM4601EV Demo Board | LTM4601(x3), 5V ≤ VIN ≤ 20V, VOUT1 = 3.3V @ 10A, VOUT2 = 2.5V @ 12A, VOUT3 = 1.8V @ 12A
DC1118A-B - Schematic
DC1043A-B
LTM4601 Demo Board | LTM4601(×3), 5V ≤ VIN ≤ 20V, VOUT = 0.6V to 3.3V @ 30A
DC1043A-A - Schematic
DC1043A-A
LTM4601 Demo Board | LTM4601(×2), 5V ≤ VIN ≤ 20V, VOUT = 0.6V to 3.3V @ 20A
DC1043A-A - Schematic

リファレンス・デザイン

DK-EMB-3C120N Dev Kit
Altera Embedded Systems Development Kit, Cyclone III Edition Circuits from the Lab®

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  • Analog Devices has worked closely with FPGA and processor manufacturers to develop verified power solutions that optimize cost, size and efficiency in high performance applications
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Altera Arria V GT FPGA Development Kit Circuits from the Lab®

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  • Analog Devices has worked closely with FPGA and processor manufacturers to develop verified power solutions that optimize cost, size and efficiency in high performance applications
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  • Our team can provide designs for quick prototypes that can speed time to market in the most complex applications
DK-DEV-4SE530N Dev Kit
Altera Stratix IV E FPGA Development Kit Circuits from the Lab®

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  • Analog Devices has worked closely with FPGA and processor manufacturers to develop verified power solutions that optimize cost, size and efficiency in high performance applications
  • Our reference designs are supported by an intuitive design tool set and IP
  • Our team can provide designs for quick prototypes that can speed time to market in the most complex applications
DK-DSP-3C120N Dev Kit
Altera DSP Development Kit, Cyclone III Edition Circuits from the Lab®

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  • Analog Devices has worked closely with FPGA and processor manufacturers to develop verified power solutions that optimize cost, size and efficiency in high performance applications
  • Our reference designs are supported by an intuitive design tool set and IP
  • Our team can provide designs for quick prototypes that can speed time to market in the most complex applications
DK-100G-5SGXEA7N Dev Kit
Altera 100G Development Kit, Stratix V Edition Circuits from the Lab®

機能と利点

  • Analog Devices has worked closely with FPGA and processor manufacturers to develop verified power solutions that optimize cost, size and efficiency in high performance applications
  • Our reference designs are supported by an intuitive design tool set and IP
  • Our team can provide designs for quick prototypes that can speed time to market in the most complex applications
TR5-F40W Dev Kit
Terasic TR5-F40W Stratix V GX FPGA Development Kit Circuits from the Lab®

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  • Our reference designs are supported by an intuitive design tool set and IP
  • Our team can provide designs for quick prototypes that can speed time to market in the most complex applications
TR4 Stratix IV Board
Terasic TR4 Stratix IV Board Circuits from the Lab®

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DE4 Dev Kit
Terasic DE4 Development and Education Board Circuits from the Lab®

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  • Our reference designs are supported by an intuitive design tool set and IP
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DK-SI-4SGX230N Kit
Altera Transceiver Signal Integrity Kit, Stratix IV GX Edition Circuits from the Lab®

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  • Our reference designs are supported by an intuitive design tool set and IP
  • Our team can provide designs for quick prototypes that can speed time to market in the most complex applications
DK-DEV-4SGX230N Dev Kit
Altera Stratix IV GX FPGA Development Kit Circuits from the Lab®

機能と利点

  • Analog Devices has worked closely with FPGA and processor manufacturers to develop verified power solutions that optimize cost, size and efficiency in high performance applications
  • Our reference designs are supported by an intuitive design tool set and IP
  • Our team can provide designs for quick prototypes that can speed time to market in the most complex applications
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  • Our reference designs are supported by an intuitive design tool set and IP
  • Our team can provide designs for quick prototypes that can speed time to market in the most complex applications
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機能と利点

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  • Our team can provide designs for quick prototypes that can speed time to market in the most complex applications
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機能と利点

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  • Our reference designs are supported by an intuitive design tool set and IP
  • Our team can provide designs for quick prototypes that can speed time to market in the most complex applications
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DK-EMB-3C120N Dev Kit
DK-EMB-3C120N Block Diagram
DK-EMB-3C120N Power Tree
Altera Arria V GT FPGA Development Kit
DK-DEV-5AGTD7N Dev Kit
LTC Parts List
DK-DEV-5AGTD7N Block Diagram
DK-DEV-5AGTD7N Block Diagram
DK-DEV-5AGTD7N Power Tree
Altera Stratix IV E FPGA Development Kit
DK-DEV-4SE530N Dev Kit
LTC Parts List
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DK-DEV-4SE530N Block Diagram
Altera DSP Development Kit, Cyclone III Edition
DK-DSP-3C120N Dev Kit
LTC Parts List
DK-DSP-3C120N Block Diagram
DK-DSP-3C120N Power Tree
Altera 100G Development Kit, Stratix V Edition
DK-100G-5SGXEA7N Dev Kit
DK-100G-5SGXEA7N Parts List
DK-100G-5SGXEA7N Block Diagram
DK-100G-5SGXEA7N Block Diagram
DK-100G-5SGXEA7N Power Tree
Terasic TR5-F40W Stratix V GX FPGA Development Kit
TR5-F40W Dev Kit
TR5-F40W Block Diagram
TR5-F40W Power Tree
Terasic TR4 Stratix IV Board
TR4 Stratix IV Board
LTC Parts List
TR4 Stratix IV Block Diagram
TR4 Stratix IV Power Tree
Terasic DE4 Development and Education Board
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DE4 Block Diagram
DE4 Power Tree
Altera Transceiver Signal Integrity Kit, Stratix IV GX Edition
DK-SI-4SGX230N Kit
LTC Parts List
DK-SI-4SGX230N Block Diagram
DK-SI-4SGX230N Power Tree
Altera Stratix IV GX FPGA Development Kit
DK-DEV-4SGX230N Dev Kit
LTC Parts List
DK-DEV-4SGX230N Block Diagram
DK-DEV-4SGX230N Power Tree
Altera Audio Video Development Kit, Stratix IV GX Edition
DK-VIDEO-4SGX230N Dev Kit
LTC Parts List
DK-VIDEO-4SGX230N Block Diagram
DK-VIDEO-4SGX230N Power Tree
Terasic DE5-Net Stratix V Board
DE5-Net Dev Kit
LTC Parts List
DE5-Net Block Diagram
DE5-Net Power Tree
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DK-DEV-5AGXB3NES Dev Kit
LTC Parts List
DK-DEV-5AGXB3NES Block Diagram
DK-DEV-5AGXB3NES Power Tree
Altera Cyclone III FPGA Development Kit
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DK-DEV-3C120N Block Diagram
DK-DEV-3C120N Power Tree

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