ZCC66099同步升压加LDO 替代SGM66099

四维电子

FEATURES
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-
Ion battery, for which high efficiency under light load
condition is critical to achieve long battery life operation.
3 j0 C2 u0 i3 k% j6 E& c2 GThe ZCC66099 step-up converter only consumes
3 F7 j% I2 n1 K2 E0.65μA quiescent current under light load condition and
. b/ o5 l' {  N5 Y6 h1 K0 Scan achieve up to 75% efficiency at 10μA load with
6 f& `# G0 ^& J2 ]6 s. I& sfixed output voltage version. It can also support up to
, V/ Z' n. M! _4 _  R, h300mA output current from 3.3V to 5V conversion, and
achieve up to 93% at 200mA load.
The ZCC66099 also offers both down mode and pass-
% S$ u. O6 P. _1 vthrough operation for different applications. In down
mode, the output voltage can still be regulated at target
( v+ g7 _$ J2 y1 }7 Nvalue 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.
The ZCC66099 supports true shutdown function when
it is disabled, which disconnects the load from the input
6 F- F3 B+ a) ?supply to reduce the current consumption.
3 V9 b9 z6 F3 i. `6 b. `The ZCC66099 offers both adjustable output voltage
version and fixed output voltage versions. It is available
in Green WLCSP-1.22×0.83-6B and TDFN-2×2-6AL
packages.
TYPICAL APPLICATION
●Operating Input Voltage Range: 0.9V to 5.2V
8 F3 e, R3 Y: p9 _: I7 X●Ultra Low Quiescent Current
 0.6μA Ultra Low IQ into VOUT Pin
 0.05μA Ultra Low IQ into VIN Pin
. s$ M; q* n( K5 m/ V4 v, u# n●1.2MHz Fixed Frequency Operation
●Adjustable Output Voltage from 2.5V to 5.2V
) b" v0 u  D6 {! Y1 U$ t" E' [- }" C●Fixed Output Voltage Versions Available
1 R' A! k/ I" u1 ~: m9 B●Power-Save Mode for Improved Efficiency at Low
Output Power
●Regulated Output Voltage in Down Mode
●True Disconnection During Shutdown
5 w! J) ?' M+ e3 c# J) M9 b9 P●Up to 75% Efficiency at 10μA Load with Fixed
Output Voltage Version
* _- }4 K0 z7 G●Up to 93% Efficiency from 10mA to 300mALoad
. r( m' p: Q! Q$ b●-40℃ to +85℃ Operating Temperature Range
●Available in Green WLCSP-1.22×0.83-6B and
- i" {) }/ ~8 |4 R' t) tTDFN-2×2-6AL Packages
APPLICATIONS
$ u* c/ j, ?# y% ?" }Memory LCD Bias
$ p" n% \+ `9 u$ M( v( _Optical Heart Rate Monitor LED Bias
/ G9 O( _4 f4 O0 SWearable Applications
- A; h6 p/ y% }' j$ |& j1 oLow Power Wireless Applications
4 E, f3 `8 ~* p4 E. I( n* hPortable Products
Battery Powered Systems