ZCC4200三通道PMU 带线性充电器的Buck和Boost变换器

四维电子

$ R! U0 ^3 k* v/ V* wFEATURES
) F$ h$ l9 j- o0 m; A# A■ Three-channel PMU:Buck,Boost
* z$ ^- S& i2 T1 Aand
Super
# ^& p  D9 B* b5 ]/ vcapacitor charger
( k$ B4 M& W3 d5 O, u& q; ^■
wide working range: 5V-40V
■ 3.3V 450mA Output Power for Buck
■
1 ?* X* W; t) ^. E12V 500mA Output Power for Boost at 2.7V
Input
" C# m) }/ a. W2 b" g8 Y9 `% P9 G■
1 M5 [2 n. o" Z1% accuracy for Charger CV voltage and up
. r& h' O3 r3 A& ]% g1 n, H/ E& fto 150mA constant charge current
■
High Efficiency PFM mode at light load for
Buck
■ Enable pin to auto-switch boost and charger
. x' h0 A# o4 I  Y■
Available in ES0P8 and QFN3x4-24 Package
APPLICATIONS
' z. D! }! \5 ?( d9 I% L; A+ t8 B■ PLC modules
■ Power Meters
& b/ W# X# K0 [) P' k# F■ Any system that needs super capacitor as a
backup power
. ~6 U/ a1 n, X. ~# G+ L* VDESCRIPTION
4 M3 r$ h5 i: q9 FZCC4200 is a three-channel PMU that includes a
40V input, a high efficiency synchronous buck
. Y9 U0 a8 G: G0 w! w% [) X3 wconverter, a low startup, high efficiency 18V
) A/ J# g2 }# w' Yboost 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
current. The boost converter is capable of
# F9 j+ H$ i* r- O' j& G( Fproviding up to 500mA to 12V output from a single
/ P( c5 L, w" J0 s7 S/ vcell super capacitor or a battery at 2.7V. A
linear supercapacitor charge is also integrated with a very high accuracy CV voltage.
9 `) M' J! O8 g/ h# Z1 [The output voltage of boost can be adjusted by
external resistor divider. All three power
6 R: y- Q! h8 A& g9 U9 u7 F/ l: ymodules are packed into a single ES0P8 and
QFN3x4-24 package,beating the discrete
8 b( U  A* P1 ~9 t! o4 C9 D2 Xsolution in features, peRFormance, size, PCB
layout and cost

duhe3hfu

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。