100V 输入同步降压最大5A输出电流 ZCC1005

四维电子

Features
* r* m; w, K1 D 9V to 100V input voltage range
& u/ |5 l4 {$ S  I) t% v 1.5A/5A continuous output current
 95% Peak Efficiency
$ S8 d, z$ e" W6 r 400μA operating quiescent current
 100V 400-mΩ high-side MOSFET
 Peak Current mode control
* L5 K% C! v4 `* w' y& L* l 150 kHz Fixed Frequency
7 C2 ~9 o+ v' s+ d6 R Internal compensation for ease of use
 Up to 92% duty cycle
 0.8V voltage reference
3 _0 l' \& h) Z' Z6 w: G2 g 1μA shutdown current
 3A/6A cycle-by-cycle current limit
, x$ K, g! O( P* i0 S; K 150ms Hiccup mode short circuit protection
$ C2 }! y# n- ]) M4 T1 eFunction
, G6 y+ q3 {2 z0 ? Thermal shutdown Function
3 G& e# ?* a0 H) v0 q ESOP-8 package
Applications
 Charger in vehicle
 Battery Chargers
, P2 R% k0 k" U7 R Power adapter
Typical Application
' {( W$ V+ z* W1 ^: @Description
) u7 I, m) g6 @The ZCC1005 is a high voltage, non-synchronous
step-down converter operates over a wide range
input voltage
" V# A6 B( c7 U6 m9V to 100V. The ZCC1005
* t% W# r5 d) c* F  Fintegrates a 100-V 400-mΩ high-side MOSFET.
3 d* J( @# P0 t( C% zThe ZCC1005 delivers 1.5A continuous load
current with up to 95% efficiency. The ZCC1005
0 G3 M$ L( E$ N0 |- F* Xoperates with fixed frequency peak current control
9 f, Y9 U  g' Lwith built-in compensation eliminates the need for
( k/ Q/ {( R# zexternal components.
- {8 Z4 Z+ s( N* \6 N- e1 VCycle-by-cycle current limit in high-side MOSFET
protects the converter in an overload condition.
- q/ q3 m( V2 dHiccup mode protection is triggered if the
6 h0 U! s% E: M. c( H- Xover-current condition has persisted for longer than
0 f9 H" P& f2 G- x1 T7 [1 u9 Cthe present time.
The ZCC1005 exhibits protection features that
protect the load from faults like under-voltage,
over-current and over-temperature.
The ZCC1005 is available in an ESOP-8 package.
4 }( x  F( i( e) _0 f. O# f$ I! x