ZCC4200三通道PMU 带线性充电器的Buck和Boost变换器

四维电子

FEATURES
8 p+ H, Z/ w% y8 `+ L, P■ Three-channel PMU:Buck,Boost
+ p# q7 t6 B" T; q3 Z5 hand
0 S# o+ I7 I( B/ O' t( uSuper
+ m1 `9 ]' k( b' O" ~/ Lcapacitor charger
■
wide working range: 5V-40V
■ 3.3V 450mA Output Power for Buck
  W# ^* K2 E; G■
12V 500mA Output Power for Boost at 2.7V
Input
9 q; z/ T+ |# h0 {  v■
1% accuracy for Charger CV voltage and up
to 150mA constant charge current
■
High Efficiency PFM mode at light load for
1 d0 w% u2 `2 G9 U7 s% ~7 s. @. [4 ]Buck
& S0 h- Y4 c+ {7 v; A) r■ Enable pin to auto-switch boost and charger
■
Available in ES0P8 and QFN3x4-24 Package
APPLICATIONS
5 y1 n/ X1 n% Z& w5 {6 I  [■ PLC modules
0 {9 H' E5 ]; Y4 F■ Power Meters
7 [) e5 b, f3 V■ Any system that needs super capacitor as a
backup power
  X; {: f: s" u9 GDESCRIPTION
, g$ @/ Z4 i/ I) b4 Q. PZCC4200 is a three-channel PMU that includes a
40V input, a high efficiency synchronous buck
) T' Y/ {; o8 ^$ o  mconverter, a low startup, high efficiency 18V
7 }( [& l1 [, |- `2 r1 ^boost converter and a super capacitor Charger.
1 f4 I2 n% u5 \& OThe buck converter withstands input voltage up
  C& ?9 Q; b; V  ~) o2 F+ R# e. J7 Rto 40V and delivers a 3.3V output with up to 450mA
current. The boost converter is capable of
4 z, @& q+ ?- a7 H4 K1 c% Yproviding up to 500mA to 12V output from a single
) C% S- c# E/ A) x. w5 v6 g: `cell super capacitor or a battery at 2.7V. A
: u2 W. d( N/ X4 f" Y9 \* }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
: B$ E  H+ T' j2 I$ qmodules are packed into a single ES0P8 and
( U5 R4 R# x, H& c1 j$ C0 iQFN3x4-24 package,beating the discrete
solution in features, peRFormance, size, PCB
% H( @& o2 z. ^. i6 M. klayout and cost
+ T4 D" e& O9 l' D" o9 f

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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。