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Casa > Prodotti > Circuiti integrati (IC) > PMIC - Gestione dell'alimentazione - Specializzata > MAX8622ETB+T
MAX8622ETB+T
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Condividere:

Maxim Integrated MAX8622ETB+T

Numero di parte:

MAX8622ETB+T

Produttore:

Maxim Integrated

Ventron n.:

3840151-MAX8622ETB+T

Descrizione:

IC XENON FLASH CHARGE 10TDFN

Scheda dati:

MAX8622ETB+T

Pagamento:

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    Servizio One Stop

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    Prezzo competitivo

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    Consegna in giornata

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Description
The MAX8622 is a flyback switching regulator designed to quickly and efficiently charge high-voltage photoflash capacitors. It is suitable for use in digital, film, cell-phone, and smartphone cameras that utilize either 2-cell alkaline/NiMH or single-cell Li batteries. The internal low-on-resistance n-channel MOSFET enhances efficiency by reducing switch power loss.
The MAX8622 employs a current-limited, continuous-mode, transformer-switching scheme to rapidly charge the output capacitor. The cycle-by-cycle peak current-limit scheme eliminates inrush current. The current limit is programmable, allowing control over the maximum load drawn from the battery. An additional input-voltage monitor loop extends battery life by reducing the charge rate when the battery is nearing discharge. This also enables setting the current limit for a faster charge rate under typical conditions, rather than a level dictated by the worst-case discharge state of the battery.
The MAX8622 features an open-drain DONE output that indicates when the photoflash capacitor is fully charged. It automatically refreshes the output every 11 seconds, efficiently maintaining the capacitor charge level with minimal battery drain.
The MAX8622 achieves high charge accuracy through an external resistor-divider that monitors the output voltage. Sensing directly at the transformer secondary prevents output-capacitor discharge through feedback resistors while providing direct output sensing for optimal voltage accuracy that is independent of transformer turns ratio.

Features
Charges photoflash capacitors of any size
Fast charging time (2.8 seconds to charge 100uF to 300V)
No inrush current
High accuracy not dependent on transformer turns ratio
Extends battery life with input voltage monitoring
Programmable input current limit up to 1.6A
Robust architecture allows use of low-cost transformers
Automatic refresh mode
Charge-done indicator
Compact 3mm x 3mm, 10-pin TDFN package

Applications
Digital cameras
Cell-phone cameras
Film cameras
Smartphone cameras
Personal media players

Specifiche

Maxim Integrated MAX8622ETB+T specifiche tecniche, attributi, parametri e parti con specifiche simili a Maxim Integrated MAX8622ETB+T.

  • Mounting Type

    Mounting Type refers to the method by which an electronic component is attached to a printed circuit board (PCB) or other surface. Common mounting types include: * Through-hole: Component leads are inserted into holes in the PCB and soldered on the other side. * Surface-mount: Component is placed on the surface of the PCB and soldered in place. * Press-fit: Component is pressed into place on the PCB without soldering. * Socket: Component is inserted into a socket on the PCB, allowing for easy replacement. The mounting type is determined by factors such as the component's size, shape, and power requirements.

    Surface Mount
  • Package / Case

    Package / Case refers to the physical housing or enclosure that encapsulates an electronic component. It provides protection, facilitates handling, and enables electrical connections. The package type determines the component's size, shape, pin configuration, and mounting options. Common package types include DIP (dual in-line package), SOIC (small outline integrated circuit), and BGA (ball grid array). The package also influences the component's thermal and electrical performance.

    10-WFDFN Exposed Pad
  • Supplier Device Package
    10-TDFN-EP (3x3)
  • Packaging
    Tape & Reel (TR)
  • Part Status

    Part Status is an electronic component parameter that indicates the availability and production status of a component. It is typically used to inform customers about the availability of a component, whether it is in production, end-of-life, or obsolete. Part Status can also provide information about any restrictions or limitations on the component's use, such as whether it is only available for certain applications or if it has been discontinued.

    Obsolete
  • Moisture Sensitivity Level (MSL)

    Moisture Sensitivity Level (MSL) is a measure of the susceptibility of a surface mount electronic component to moisture-induced damage during soldering. It is classified into six levels, from 1 (least sensitive) to 6 (most sensitive). MSL is determined by the materials used in the component's construction, including the solderability of its terminals and the presence of moisture-absorbing materials. Components with higher MSL ratings require more stringent handling and storage conditions to prevent moisture absorption and subsequent damage during soldering.

    3 (168 Hours)
  • Applications
    Photoflash Capacitor Charger, Xenon
  • Voltage - Supply
    2.5V~5.5V
  • RoHS Status
    Non-RoHS Compliant

Certificazione

  • ISO 9001
  • ISO 13485
  • ISO 45001
  • ASA
  • ESD
  • DUNS
  • SMTA
  • ROHS
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