ZCC66099 低功耗升压芯片替代SGM66099

四维电子

GENRAL DESCRIPTION
The ZCC66099 is a synchronous step-up converter with 0.65μA ultra low quiescent current. It is designed for products powered by alkaline battery, NiMH rechargeable battery, Li-Mn battery or rechargeable Li- lon battery, for which high efficiency under light load condition is critical to achieve long battery life operation. The ZCC66099 step-up converter only consumes
0 c2 \. {0 \* z+ ], e, {0.65μA quiescent current under light load condition and can achieve up to 75% efficiency at 10μA load with fixed output voltage version. It can also support up to300mA output current from 3.3V to 5V conversion, and achieve up to 93% at 200mAload.
The ZCC66099 also offers both down mode and pass- through operation for different applications. In down mode, the output voltage can still be regulated at target value even when input voltage is higher than output voltage. In pass-through mode, the output voltage follows input voltage. The ZCC66099 exits down mode and enters into pass-through mode when VIN> Vout+
0.3V.
% K# A2 z  C# T# @The ZCC66099 supports true shutdown function when it is disabled, which disconnects the load from the input supply to reduce the current consumption.
) g' D9 N* r3 EThe ZCC66099 offers both adjustable output voltage version and fixed output voltage versions. It is available in Green WLCSP-1.22x0.83-6B and TDFN-2x2-6AL packages.
% p4 b( u/ o& ^4 R! s# QFEATURES
0 G. v  }7 t5 Z* X% [) J/ M/ o●Operating Input Voltage Range:0.9V to 5.2V●Ultra Low Quiescent Current
0.6μA Ultra Low la into VOUT Pin
! i  c( F# _" z- c. k6 U: h1 N0.05μA Ultra Low lqinto VIN Pin●1.2MHz Fixed Frequency Operation
! l. J( y) g( j) l. L, @●Adjustable Output Voltage from2.5V to 5.2V●Fixed Output Voltage Versions Available
$ P  r4 K0 G$ }2 `7 r& R$ x●Power-Save Mode for Improved Efficiency at Low Output Power
●Regulated Output Voltage in Down Mode●True Disconnection During Shutdown
0 L! A% @  y; a# v9 x●Up to 75% Efficiency at 10μA Load with Fixed Output Voltage Version
●Up to 93% Efficiency from 10mA to 300mALoad●-40°℃ to +85°C Operating Temperature Range●Available in Green WLCSP-1.22x0.83-6B and
9 J8 A4 n3 `) m' U' tTDFN-2x2-6AL Packages
9 {- P( x7 _' g2 NAPPLICATIONS
Memory LCD Bias
Optical Heart Rate Monitor LED Bias Wearable Applications
Low Power Wireless Applications Portable Products
Battery Powered Systems