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The
$ s5 e9 z4 G- L8 \6 p0 {ZCC66099 is a synchronous step-up converter ( m1 e! f3 \& ?1 g! n
with
; v6 u; z. x1 f% M% e" T0 T0.65μA ultra low quiescent current. It is designed , ? |5 p) a% D' L) h, V
for
l+ `( \9 D5 g1 }8 }; M1 xproducts powered by alkaline battery, NiMH ( b& x T! o6 ^
rechargeable battery, Li-Mn battery or rechargeable Li-
* e! j9 |: ?1 Q" HIon battery, for which high efficiency under light load
/ M' U$ `- F; Tcondition is critical to achieve long battery life operation.
0 a n: @7 a1 v) g/ r6 N/ }The ZCC66099 step-up converter only consumes
* u7 l ~; U+ B0.65μA quiescent current under light load condition and
! W2 W5 Y7 _! S- @/ E/ U* Xcan achieve up to 75% efficiency at 10μA load with
/ B' h3 z6 G8 Vfixed output voltage version. It can also support up to 1 v) q1 w$ Q5 _: A( ]! o: `) E
300mA output current from 3.3V to 5V conversion, and
5 ~& f" a: W5 g4 bachieve up to 93% at 200mA load. ) T e0 p" _) j. m- \
The ZCC66099 also offers both down mode and 2 I& b1 m* A% q; P0 F+ l! P
pass- 9 E7 a8 y$ q: \
through operation for different applications. In ) B8 C" X3 C2 _4 b( H- Q9 ?% [! A
down % D5 F' E& i: G: z
mode, the output voltage can still be regulated at
7 s6 |7 e# K# i' m; B% C+ ltarget ) ^8 \' o S$ u7 ~9 I1 H9 x
value even when input voltage is higher than output
! e. b x* ]* Z$ w; d5 fvoltage. In pass-through mode, the output voltage 3 L2 D7 c! ~9 i
follows input voltage. The ZCC66099 exits down mode - |+ E6 D/ w, b8 i
and enters into pass-through mode when VIN > VOUT + * @% u6 ~7 [, z0 `
0.3V. ( [ m# {1 \) z$ Z& v1 J: P3 ~4 a
The ZCC66099 supports true shutdown function when
6 s- H5 Z) Y$ D f1 c$ S9 |it is disabled, which disconnects the load from the input 1 Q: N# ^; h9 L+ C
supply to reduce the current consumption. 5 i; N' X2 l; P& M6 n/ D
The ZCC66099 offers both adjustable output voltage ' Y0 A0 n- y1 n+ @: z5 o& Q6 Y
version and fixed output voltage versions. It is available ; \, L+ u! U* C0 h3 q1 ~% w8 n( j1 u8 z
in Green WLCSP-1.22×0.83-6B and TDFN-2×2-6AL ) s3 i6 |/ a. V2 c& h
packages. ) g/ ]7 u0 p, N! _9 l
TYPICAL APPLICATION
8 K& l9 y; {) z! s* m! ]1 _●Operating Input Voltage Range: 0.9V to 5.2V
/ e- ` D9 Z, @7 t6 H●Ultra Low Quiescent Current
4 @$ ], l( d2 x* E% v" O 0.6μA Ultra Low IQ into VOUT Pin . X" @0 H) A' t0 c4 B+ v) {
0.05μA Ultra Low IQ into VIN Pin
: Y' m3 u- M3 j5 }" d( A●1.2MHz Fixed Frequency Operation 5 M- g l* | `) G* r B* P
●Adjustable Output Voltage from 2.5V to 5.2V
7 t" j9 ^/ E6 i) M3 r●Fixed Output Voltage Versions Available
2 Q: D9 }) q, u3 S8 `- Z9 I; u2 X- g●Power-Save Mode for Improved Efficiency at Low * m; ]8 b5 H' N& g
Output Power 4 C3 V+ e, p9 G/ }& K
●Regulated Output Voltage in Down Mode 0 x7 t F Z; O$ U! r; n9 P5 x
●True Disconnection During Shutdown
6 g5 |& c2 G! ~' a! e●Up to 75% Efficiency at 10μA Load with Fixed 7 n4 `- J5 n: Q
Output Voltage Version & e( c# W' b& U, K5 w8 O
●Up to 93% Efficiency from 10mA to 300mALoad
0 Z: x: |- Y: Y' X9 P●-40℃ to +85℃ Operating Temperature Range
8 J2 o: ]4 H6 b/ o6 B, W●Available in Green WLCSP-1.22×0.83-6B and
7 b& I; e, N6 X1 z" p5 g0 UTDFN-2×2-6AL Packages * l' {7 k' e' f( Y: S/ m
APPLICATIONS 7 t' T* j7 a' C! W% @4 O
Memory LCD Bias
, l3 K! W# F' R. R& g# QOptical Heart Rate Monitor LED Bias 7 G2 q& E/ ~. P* L
Wearable Applications / ?7 o$ p' T0 k" `6 r. Z
Low Power Wireless Applications
' F \9 S& e" @9 L+ e% {% xPortable Products
/ a& f( ?5 n3 |: A9 n' A' iBattery Powered Systems8 d* r% x/ C, t7 Z; a. Q" O
/ e/ |0 K$ n# @) V# l$ n; R) v* V, [ |
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发表于 2021-5-27 09:57
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