ZCC4200三通道PMU 带线性充电器的Buck和Boost变换器

四维电子

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1 j- n  k# U8 o+ zFEATURES
■ Three-channel PMU:Buck,Boost
" a! F$ @) }' h9 sand
) {' R! W* `% p5 ASuper
capacitor charger
■
wide working range: 5V-40V
" c* F9 r! T6 V& b■ 3.3V 450mA Output Power for Buck
7 b- a# M( J4 _■
6 H2 ]" F0 u/ U12V 500mA Output Power for Boost at 2.7V
. |& g" R/ t% P& ]9 XInput
■
5 k: `$ B8 e  x+ k1 |1% accuracy for Charger CV voltage and up
, b) A+ j! }& L8 Z  n0 T/ b6 Mto 150mA constant charge current
■
High Efficiency PFM mode at light load for
4 h( ]3 w' |$ k; U4 iBuck
■ Enable pin to auto-switch boost and charger
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Available in ES0P8 and QFN3x4-24 Package
APPLICATIONS
5 p8 \! O% W- N% _' C9 y6 w■ PLC modules
+ b# _% L+ K, Q! U■ Power Meters
■ Any system that needs super capacitor as a
backup power
- X" `: w- L, {/ i; a  UDESCRIPTION
1 U3 {/ |- |" L0 a; t6 c' a& D' Y9 Y) n( zZCC4200 is a three-channel PMU that includes a
40V input, a high efficiency synchronous buck
converter, a low startup, high efficiency 18V
boost converter and a super capacitor Charger.
* i/ G) I1 e6 x- }# a* ]* q8 A& q7 aThe buck converter withstands input voltage up
to 40V and delivers a 3.3V output with up to 450mA
$ W' f4 J' w/ \current. The boost converter is capable of
9 m: Z9 A: v; Sproviding up to 500mA to 12V output from a single
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
external resistor divider. All three power
modules are packed into a single ES0P8 and
$ d& A0 b& e( P/ C5 _, x- gQFN3x4-24 package,beating the discrete
$ t' i: y" m0 S# a: A3 usolution in features, peRFormance, size, PCB
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。