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ZCC6601替代SN6505

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    2022-5-9 15:00
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    [LV.4]偶尔看看III

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    发表于 2021-11-10 15:57 | 只看该作者 回帖奖励 |倒序浏览 |阅读模式

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    FEATURES
    7 |+ D( p' M) U& }" g1 f2 wAPPLICATIONS
    6 t: @0 N! s( B1 M2 m2 I' Z) @• Push-Pull Driver for Small Transformers # I, O/ L5 N1 S1 l6 w% H
    • Isolated InteRFace Power Supply for CAN, RS- " u( t2 A8 m" O, H& z) F6 z& ^* k
    • Single 3.3 V or 5 V Supply
    & C0 d+ J  s/ n8 h• High Primary-side Current Drive: " W* @- J( t% R2 K2 W  a
    – 5 V Supply: 650 mA (max) & s8 b" }$ C9 b; L
    – 3.3 V Supply: 450 mA (max) ) s7 T* O7 z% Z6 d6 p8 {3 W  ^5 R7 n0 D
    • Low Ripple on Rectified Output Permits Small
    7 g5 e* }4 ~2 W* [6 e1 P. ?: ~Output Capacitors 2 h% x/ ]2 b8 E  L# A
    • Soft start and Current limit
    # R- k2 @9 g2 U/ }: @( ~• Thermal shutdown
    0 e! _/ o* ^8 Z5 X" e6 `' P' c& T% v• Small 5-pin SOT23 Package 0 [8 @5 Z1 y$ E7 K+ I% `, G4 A
    485, RS-422, RS-232, SPI, I2C, Low-Power LAN
    , v, Y+ |% e- [% p& e0 `0 I& q7 d• Industrial Automation ' }3 e# Q6 D' k: M
    • Process Control * }: t, O* S, M& W! A, @) O% |8 X& `
    • Medical Equipment
    ! f! A( h% }% i6 t& IDESCRIPTION & I% D! u! k5 z; J& i8 v- B7 N
    The ZCC6601 is a monolithic oscillator/power-driver, specifically designed for small form factor, isolated power 9 B% c, M7 E. o4 j* ?3 D* N) }
    supplies in isolated interface applications. It drives a low-profile, center-tapped transformer primary from a 3.3 V   y+ z/ ]% ^" |) h" @) v( ]: I- _
    or 5 V DC power supply. The secondary can be wound to provide any isolated voltage based on transformer
    $ P1 q8 V. c( t7 |+ e. pturns ratio. 1 ]2 ^. A; V( K' F+ L- M
    The ZCC6601 consists of an oscillator followed by a gate drive circuit that provides the complementary output
    $ N. h* E4 S+ n  L) d. S2 Y) Psignals to drive the ground referenced N-channel power switches. The internal logic ensures break-before-make 4 c5 A6 i  i* R6 K1 v7 J1 _
    action between the two switches. . d5 t% w1 C/ q* i$ U
    The ZCC6601 is available in a small SOT23-5 package, and is specified for operation at temperatures from – ; W5 z! n) f4 P# X! ~
    40°C to 125°C.
    9 J& T) U- m; M8 q- i6 ^5 F. d; x% \3 Y% x; x4 z2 H
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