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ZCC2467

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    2022-8-5 15:55
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    发表于 2022-9-13 17:41 | 只看该作者 回帖奖励 |倒序浏览 |阅读模式

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    本帖最后由 Heaven_1 于 2022-9-13 18:42 编辑 * [$ |& s8 |! x: Z
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    DESCRIPTION
    ) J2 j, a. C( yThe ZCC2467 is a high frequency step-down switching regulator with integrated
    " `" C8 V$ a: v) minternal high-side, high voltage power MOSFET. It provides 3.0A output with! X2 H- N. y( J& [) _' V! b; A+ @8 \# p
    current mode control for fast loop response and easy compensation.
    & @) M% F  P9 e0 N' y- m% V# P" vThe wide 6V to 40V input range accommodates a variety of step-down
      h8 P- p% }4 n& w' qapplications, including those in automotive systems. A 100μA operational8 Y. ~& f! I0 r5 D; h0 W7 W
    quiescent current allows use in battery-powered applications.
    5 L  O! Z6 w3 U* c6 p5 U7 s* jHigh power conversion efficiency over a wide load range is achieved by
    ! r; N) Y$ S- \, c4 V' A6 Gscaling down the switching frequency at light load condition to reduce the- i! C7 [5 {- x9 x8 V* F3 H
    switching and gate driving losses.% ^% p3 [6 K0 {
    The frequency foldback prevents inductor current runaway during startup and& ?+ p$ j! b. U8 c6 F
    thermal shutdown provides reliable, fault tolerant operation.
    " X# I' e+ G# P) |& U( `' @The ZCC2467 is available in thermally enhanced SOIC8 package.
    0 `4 u9 F4 c7 C# ]0 ~8 TFEATURES, R( _& a) _* o5 @% \
    • 100μA Quiescent Current
    7 p4 g7 d1 L0 o0 D* x$ E• Wide 6V to 40V Operating Input Range
    5 w0 s0 M$ L- L• 150mΩ Internal Power MOSFET* h4 c- _7 j2 d* U* q% A
    • 500kHz Fixed Switching Frequency% x: {- Y8 a. ~
    • Ceramic Capacitor Stable) L! E) Z' r+ O1 A: j- E
    • Internal Soft-Start
    5 {, v% B9 f) Z4 Z: C* B0 C! {• Precision Current Limit without a Current Sensing Resistor* C/ d6 m, `# Q1 s% z$ Z
    • Up to 95% Efficiency
    / y+ }( z6 p3 k3 D- J$ W• Output Adjustable from 0.8V to 30V5 M8 n& t, U: h1 ~
    • Available in SOIC8 with Exposed Pad Packages
    ) ?. c" x( v7 z7 f
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