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2022-8-5 15:55 |
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FEATURES
- g: S; x6 A0 K( h( ^! o7 z- }The ZCC66099 is a synchronous step-up converter& b' D' b7 A H2 E5 }9 J( B, H
with 0.65μA ultra low quiescent current. It is designed4 T' @1 }3 g6 Q: H m: |( ~
for products powered by alkaline battery, NiMH
9 u) Q1 E e" z8 Q" f, `6 {rechargeable battery, Li-Mn battery or rechargeable Li-( x- e# ^/ C- R8 X
Ion battery, for which high efficiency under light load. r& M( q- [# n# q6 z6 @
condition is critical to achieve long battery life operation.
3 Z+ n& Q" h' F: Y) yThe ZCC66099 step-up converter only consumes
7 w2 I i0 B, a2 G' ^% ^! x1 E( t1 n0.65μA quiescent current under light load condition and$ G8 a) l8 x0 o7 ~# V5 h5 n0 w
can achieve up to 75% efficiency at 10μA load with
2 r# h* p- C! v$ v5 X5 d1 Dfixed output voltage version. It can also support up to
E% u" }. p& Y7 _300mA output current from 3.3V to 5V conversion, and
4 h8 @, _$ s4 u# V$ z; M, A! Q: Rachieve up to 93% at 200mA load.
0 `* M& q2 W8 k/ ]5 z. Y2 XThe ZCC66099 also offers both down mode and pass-
' n/ T$ `( ~) n. @; sthrough operation for different applications. In down
3 Z/ ~$ x5 \0 Y) B) ~6 Smode, the output voltage can still be regulated at target
- Q" Q. @, T; h0 U4 u4 wvalue even when input voltage is higher than output
# t7 k/ C$ S5 `2 n% Jvoltage. In pass-through mode, the output voltage" w0 J& j$ L0 T5 l5 X
follows input voltage. The ZCC66099 exits down mode% d$ x* f& l) g& W% d) r$ c
and enters into pass-through mode when VIN > VOUT +# t! @. ~: h' V9 I
0.3V.. N7 h# b8 m! [
The ZCC66099 supports true shutdown function when# L, \: y8 C* c
it is disabled, which disconnects the load from the input2 N: a/ c' }# p
supply to reduce the current consumption.
. c/ G8 U7 [* ?, \* ^; lThe ZCC66099 offers both adjustable output voltage
4 E& Y. G: c. f: Aversion and fixed output voltage versions. It is available5 e8 }" r6 P0 \8 @ D
in Green WLCSP-1.22×0.83-6B and TDFN-2×2-6AL. h, B8 Y" i' \. W d0 x. j6 A+ V% k' h
packages.) m! R# ]) b% W. r! g( s6 Z
TYPICAL APPLICATION4 J0 Q. d, i0 I# ^5 o
●Operating Input Voltage Range: 0.9V to 5.2V
$ o& g+ ^6 [ C●Ultra Low Quiescent Current. O4 W9 @. h% Q: C2 B3 M
0.6μA Ultra Low IQ into VOUT Pin4 m& L1 w2 L" V, W% C8 Q/ h
0.05μA Ultra Low IQ into VIN Pin F' j5 o* m) s- X+ V; F
●1.2MHz Fixed Frequency Operation
/ M3 O; a) z: h5 I2 B. e/ ]/ C●Adjustable Output Voltage from 2.5V to 5.2V0 Q. L+ S! E% [+ Y- G
●Fixed Output Voltage Versions Available3 _2 z0 R" j& q4 f& @: Q* L
●Power-Save Mode for Improved Efficiency at Low* n# e% K" ]# [$ p! w9 h
Output Power! a* C6 k$ P. a! x0 Z+ z9 H
●Regulated Output Voltage in Down Mode5 ?0 c) B2 {: p- B2 {
●True Disconnection During Shutdown3 ^' \8 G5 j+ d5 \/ Z1 Y3 w) X& ~
●Up to 75% Efficiency at 10μA Load with Fixed
0 `' k6 R; `" ^( K8 Y1 FOutput Voltage Version
' \' N+ L( V! \0 w5 q9 m●Up to 93% Efficiency from 10mA to 300mALoad
5 z* t, k: Q' f3 \4 j3 l& m●-40℃ to +85℃ Operating Temperature Range p- T- g0 r* p- A
●Available in Green WLCSP-1.22×0.83-6B and5 G0 Q. \ E! B
TDFN-2×2-6AL Packages3 h& p/ U X5 x1 B. H. L2 }
APPLICATIONS
. V/ l, l3 m; V5 J, dMemory LCD Bias( @& g; z1 u! ]$ v
Optical Heart Rate Monitor LED Bias3 b/ }. y" k* M% a
Wearable Applications
7 Q$ o8 F, b9 \Low Power Wireless Applications
" U( p) I V! f! h7 {% rPortable Products
( \( F7 C) [& g& ?Battery Powered Systems
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发表于 2022-10-18 18:01
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