100V 输入同步降压最大5A输出电流 ZCC1005

四维电子

+ l% q- [2 X5 X! [* T$ _
Features
 9V to 100V input voltage range
/ [* g4 m1 d$ q3 }- p 1.5A/5A continuous output current
 95% Peak Efficiency
+ u0 j/ y2 w* w 400μA operating quiescent current
 100V 400-mΩ high-side MOSFET
 Peak Current mode control
 150 kHz Fixed Frequency
7 ^, Z! ?; p; R, I4 J$ I Internal compensation for ease of use
" P/ N0 f8 v" J- T5 Z Up to 92% duty cycle
9 T7 y& v' E+ u* [6 U3 e* g3 N 0.8V voltage reference
 1μA shutdown current
, R# R' F* t5 J; T 3A/6A cycle-by-cycle current limit
 150ms Hiccup mode short circuit protection
6 \. s( t) ?$ R2 OFunction
 Thermal shutdown Function
2 W; X6 B9 B$ I, u5 O! H ESOP-8 package
$ {3 B& W" |  D# l0 U8 Z0 b6 OApplications
2 U  E; e* Z, x: y Charger in vehicle
 Battery Chargers
5 c1 [# p' k2 H7 M  n Power adapter
Typical Application
6 P; z. c" k- b* t4 MDescription
The ZCC1005 is a high voltage, non-synchronous
step-down converter operates over a wide range
% N' U! C9 O' d- \input voltage
$ S! D. t9 e- d5 T/ h. W9V to 100V. The ZCC1005
/ ?0 C% O4 A* \7 R  N% A  Tintegrates a 100-V 400-mΩ high-side MOSFET.
The ZCC1005 delivers 1.5A continuous load
current with up to 95% efficiency. The ZCC1005
1 Z8 c$ j9 ?- `/ W) hoperates with fixed frequency peak current control
6 N7 I4 j4 w( i/ ~' _" iwith built-in compensation eliminates the need for
external components.
8 D' Q. \1 c/ P2 V6 d5 \) O! j9 I3 }4 ^Cycle-by-cycle current limit in high-side MOSFET
2 ?( E: V  p' y( ^1 L' Lprotects the converter in an overload condition.
Hiccup mode protection is triggered if the
7 j; n: V/ V  J, v9 k; xover-current condition has persisted for longer than
, b3 l) D9 D4 Q9 L, x) o8 hthe present time.
$ J# p: t+ F( [! e* r4 ]9 IThe ZCC1005 exhibits protection features that
' G6 c: ~( n" |* z. C! w' hprotect the load from faults like under-voltage,
over-current and over-temperature.
0 ?$ Y8 ~  _$ `4 s) U- bThe ZCC1005 is available in an ESOP-8 package.

STGing

输入电压范围9-100V，很宽了！