100V 输入同步降压最大5A输出电流 ZCC1005

四维电子

Features
 9V to 100V input voltage range
  ]5 {- R+ V5 s  A7 k 1.5A/5A continuous output current
 95% Peak Efficiency
 400μA operating quiescent current
 100V 400-mΩ high-side MOSFET
 Peak Current mode control
9 t: F( P# a) z" A& K% z& \1 W" O 150 kHz Fixed Frequency
, r  k( W+ u& X# z7 z* F Internal compensation for ease of use
 Up to 92% duty cycle
8 N8 g* Q, m; o# o# x4 F; x 0.8V voltage reference
: M7 M. i; f6 i& R$ f, J 1μA shutdown current
7 u2 O- D: t) J7 M3 b& d 3A/6A cycle-by-cycle current limit
 150ms Hiccup mode short circuit protection
, k' M% ?4 D- S/ y/ F/ FFunction
5 c1 `8 A0 m1 D0 { Thermal shutdown Function
 ESOP-8 package
Applications
6 l. |" G6 f$ K4 t Charger in vehicle
 Battery Chargers
 Power adapter
* \. R5 ]2 {- u* |; k& t  iTypical Application
; P" N4 m* _% DDescription
/ F! X( f0 H# [( yThe ZCC1005 is a high voltage, non-synchronous
% r% [9 J- D* _step-down converter operates over a wide range
input voltage
9V to 100V. The ZCC1005
( B0 N9 S/ X3 R7 x5 @6 J0 Zintegrates a 100-V 400-mΩ high-side MOSFET.
The ZCC1005 delivers 1.5A continuous load
  a: B% Y) r7 vcurrent with up to 95% efficiency. The ZCC1005
4 ^6 v  W' m$ g. joperates with fixed frequency peak current control
with built-in compensation eliminates the need for
6 v: y* P* g, \& `# G- r+ ^$ z3 pexternal components.
$ n- i" c2 {4 Y- X/ f$ h5 p4 _( RCycle-by-cycle current limit in high-side MOSFET
! ~' f9 T2 T9 J; y0 gprotects the converter in an overload condition.
9 `$ e) K3 ^' _: |- z4 fHiccup mode protection is triggered if the
over-current condition has persisted for longer than
the present time.
The ZCC1005 exhibits protection features that
3 E8 `" b. `/ ^5 y8 ~$ Lprotect the load from faults like under-voltage,
1 p+ g4 H" Y8 Z( @# L& Nover-current and over-temperature.
$ |" U( B) d/ j' i0 lThe ZCC1005 is available in an ESOP-8 package.