概要

The EL7531 is a synchronous, integrated FET 1A step-down regulator with internal compensation. It operates with an input voltage range from 2. 5V to 5. 5V, which accommodates supplies of 3. 3V, 5V, or a Li-Ion battery source. The output can be externally set from 0. 8V to VIN with a resistive divider. The EL7531 features automatic PFM/PWM mode control, or PWM mode only. The PWM frequency is typically 1. 4MHz and can be synchronized up to 12MHz. The typical no load quiescent current is only 120µA. Additional features include a Power-Good output, 1µA shut-down current, short-circuit protection, and over-temperature protection. The EL7531 is available in the 10-pin MSOP package, making the entire converter occupy less than 0. 15 in2 of PCB area with components on one side only. The 10-pin MSOP package is specified for operation over the full -40°C to +85°C temperature range.

EL7531 Functional Diagram
EL7531 Functional Diagram
  • Less than 0.15 in2 (0.97 cm2) footprint for the complete 1A converter
  • Components on one side of PCB
  • Max height 1.1mm MSOP10
  • Power-Good (PG) output
  • Internally-compensated voltage mode controller
  • Up to 94% efficiency
  • <1µA shut-down current
  • 120µA quiescent current
  • Overcurrent and over-temperature protection
  • External synchronizable up to 12MHz
  • Pb-Free plus anneal available (RoHS compliant)

アプリケーション

  • PDA and pocket PC computers Bar code readers Cellular phones Portable test equipment Li-Ion battery powered devices Small form factor (SFP) modules

ドキュメント

設計・開発

ECADモデル

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Diagram of ECAD Models

製品選択

    Processing table
    Pkg. Type
    Carrier Type
    Moisture Sensitivity Level (MSL)
    Price (USD) | 1ku
    ご購入 / サンプル
    型名
    EL7531IYZ
    circleアクティブ
    memory
    spa
    view_in_ar
    サンプル入手可能
    		 MSOP Tube 2 2.242 サンプルを入手,
    EL7531IYZ-T13
    circleアクティブ
    memory
    spa
    view_in_ar
    サンプル入手可能
    		 MSOP Reel 2 サンプルを入手,
    EL7531IYZ-T7
    circleアクティブ
    memory
    spa
    view_in_ar
    サンプル入手可能
    今すぐ購入する
    		MSOP Reel 2 2.311 サンプルを入手,
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