宽输入100V同步降压，内置mos，输出电流5A-ZCC1005

四维电子

Features
9V to 100V input voltage range
' M! S6 X, B- F- z1.5A/5A continuous output current
8 z, A8 i$ @- L7 F+ d95% Peak Efficiency
400µA operating quiescent current
- F" ]4 T. g/ P1 f! i3 L' ^8 r4 ^100V 400-mΩ high-side MOSFET
Peak Current mode control
& o+ K5 S; Z; j2 E150 kHz Fixed Frequency
7 D  H4 Q1 |7 OInternal compensation for ease of use
Up to 92% duty cycle
7 L& ?0 @! v0 U& _2 _. _+ `0.8V voltage reference
4 E' M( L" S% b6 a1µA shutdown current
3A/6A cycle-by-cycle current limit
6 Z! r0 i9 ^! N' D150ms Hiccup mode short circuit protection
Function
1 B0 O! o+ L& J7 NThermal shutdown Function
ESOP-8 package
Applications
. j' c- Z+ S# H+ O. A6 ?! W0 N$ nCharger in vehicle
/ X' l% T" |# ?Battery Chargers
9 A& o# `- K# I- R0 s5 ]Power adapter
Typical Application
Description
% I$ D8 m4 C$ z. h) n% {5 k5 d5 dThe ZCC1005 is a high voltage, non-synchronous
step-down converter operates over a wide range
; X9 X. d: ]% x3 u0 r& U- U. H7 Pinput voltage
* J) b) T8 a( _" E. ^+ g9V to 100V. The ZCC1005
integrates a 100-V 400-mΩ high-side MOSFET.
The ZCC1005 delivers 1.5A continuous load
5 b  k! k! Q/ e9 i7 s6 Tcurrent with up to 95% efficiency. The ZCC1005
operates with fixed frequency peak current control
' a/ V: t/ A# Z2 xwith built-in compensation eliminates the need for
2 ?4 v. T3 G: |/ `. w( j# \external components.
: ]/ G& p( |# m% r1 S7 R5 M) C3 e- tCycle-by-cycle current limit in high-side MOSFET
8 |# l& I  [/ `# [/ \protects the converter in an overload condition.
- k# J; w# h) ^. u; ?" W* ]Hiccup mode protection is triggered if the
) V$ V- d5 z# W' Q9 e5 d( P- uover-current condition has persisted for longer than
. @9 k* J% q5 Xthe present time.
: ~) [: ~4 u% F1 m+ rThe ZCC1005 exhibits protection features that
% ^% a2 I' p% y0 fprotect the load from faults like under-voltage,
/ Q9 |5 i4 `0 E1 l% z  x& zover-current and over-temperature.
The ZCC1005 is available in an ESOP-8 package.