ZCC4200三通道PMU 带线性充电器的Buck和Boost变换器

四维电子

" Q) A' Y. h- m  HFEATURES
; \% I7 Z6 t- f3 U% ^# y■ Three-channel PMU:Buck,Boost
1 a' F. c5 B  U8 u) H( t( c) gand
! T1 I0 l: v4 c8 cSuper
capacitor charger
/ c2 Y4 ]+ R0 e" Y■
' Y! {. N. v8 s. D- ?: Kwide working range: 5V-40V
■ 3.3V 450mA Output Power for Buck
■
12V 500mA Output Power for Boost at 2.7V
Input
* {' i$ j, y" i# S■
, `6 {, C( d9 r1 f2 L5 m2 L' l" N1% accuracy for Charger CV voltage and up
2 B& k( p4 {* w8 [* u% jto 150mA constant charge current
■
9 u* y5 d- o- V" }' y3 g3 k& WHigh Efficiency PFM mode at light load for
Buck
■ Enable pin to auto-switch boost and charger
■
/ U& X( v+ P0 ]9 l  b  X7 {. AAvailable in ES0P8 and QFN3x4-24 Package
APPLICATIONS
■ PLC modules
■ Power Meters
2 k! W) L& a8 ]  G8 J; ^- ~■ Any system that needs super capacitor as a
4 n& H$ V4 I+ O4 Wbackup power
# a5 _7 ]/ t7 a+ G% p  \  ?/ a5 d% ^! Q% FDESCRIPTION
ZCC4200 is a three-channel PMU that includes a
40V input, a high efficiency synchronous buck
# k# k- H! h8 m0 k/ Y  X" oconverter, a low startup, high efficiency 18V
2 ~& [! Y* B8 p; [boost converter and a super capacitor Charger.
The buck converter withstands input voltage up
to 40V and delivers a 3.3V output with up to 450mA
/ B" P7 V. g6 r) Rcurrent. The boost converter is capable of
providing up to 500mA to 12V output from a single
4 t* W$ |+ s! J2 ]cell super capacitor or a battery at 2.7V. A
linear supercapacitor charge is also integrated with a very high accuracy CV voltage.
The output voltage of boost can be adjusted by
$ L) v# H; I+ _, ^, T/ s  Hexternal resistor divider. All three power
! P% s# C$ f& N- mmodules are packed into a single ES0P8 and
' A( n: \( h: C; ?QFN3x4-24 package,beating the discrete
solution in features, peRFormance, size, PCB
! P# R8 x- d, y4 D  r/ F' G8 q: {layout and cost

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ZCC4200是一个三通道PMU，包括40V输入，高效同步降压转换器，低启动，高效率18V升压转换器和超级电容器充电器。