TA的每日心情 | 开心
2022-8-5 15:55 |
|---|
签到天数: 11 天 [LV.3]偶尔看看II
|
EDA365欢迎您登录！
您需要 登录 才可以下载或查看，没有帐号？注册
x
本帖最后由 Heaven_1 于 2023-2-23 18:41 编辑
3 J, U+ F+ b0 [/ n
* {/ F4 n& F5 bFeaTures$ R& _* z, T, }/ q% _+ |
High Efficiency: Up to 96%/ A$ o5 O; I9 n! A" E- ~
5A Output Current
# B7 w0 l& H+ F3 N) I* A4V to 20V V IN Range O2 Y* H( d: A( V: H
Integrated Power N-Channel MOSFETs
' d5 Y z$ u. U) V$ A% ?) m( I(70mΩ Top and 35mΩ Bottom)$ [ N) C- @8 ^0 ~ o" c
Adjustable Frequency 800kHz to 4MHz
1 G1 V2 x0 K( r: pPolyPhase ® Operation (Up to 12 Phases)( _3 `7 M. n( w: Z; {" a; |: Z
Output Tracking/ ?7 z) T$ A: s5 _: |) j$ q
0.6V ±1% Reference Accuracy: k6 z* S( a" b$ C4 P$ U! t. d
Current Mode Operation for Excellent Line and Load
+ o8 w" u' B7 a6 [' J9 w' Z3 qTransient Response+ p' r, \5 p' L0 O2 M4 L
ShutdownModeDrawsLessThan15μASupplyCurrent" m. B1 H; j1 j' F
ZCC3605: 15V Absolute Maximum V IN
% t2 }1 ]6 }# a* oZCC3605A: 22V Absolute Maximum V IN
) K8 J7 e- Y! h. } `8 lThe ZCC3605AIs Pin Compatible with the
5 M- M! Q; n1 \( [ZCC36058 h+ p7 p3 {0 a) U, F& S
Available in 24-Pin (4mm 4mm) QFN Package
* L3 e6 d" s3 N u7 A" AapplicaTions
8 B- ]. n/ `0 h! S" a& x1 DPoint of Load Power Supply
H: C, c& K' a% K* P1 bPortable Instruments
3 q, e3 w- L; k7 C* T1 _, d" JDistributed Power Systems, |' [; n, h- A0 N2 X. F6 {
Battery-Powered Equipment& K7 M9 s9 U) U8 |6 U0 K3 ^
20V, 5A Synchronous Step-Down Regulator: i$ b# ]# z" Y; j
DescripTion* Y# q+ v% D' a6 z+ Y
The ZCC3605A is a high efficiency, monolithic
; I; ~8 J* w: }synchro- nous buck regulator using a phase lockable$ S4 Z! O, j( E" {' n
controlled on-time constant frequency, current mode$ W# O6 y4 R* {8 M
architecture. PolyPhase operation allows multiple- D" b; J I, j) ~; Q7 x% f% x
ZCC3605A regula- torstorunoutofphasewhileusing
1 z+ F2 d$ @7 q3 k @5 M/ Nminimal input and output capacitance. The operating( p- E$ w8 d" {! a3 ]7 b0 h& ]
supply voltage range isfrom 20V down to 4V, making it
; {! u/ s) J: m" f3 M0 h$ d wsuitable for dual, triple or quadruple lithium-ion
3 U" W; T3 B1 m& [1 Nbattery inputs as well as point of load power supply
7 @$ j0 N: A' p* Mapplicationsfroma12Vor5Vrail.
. a3 K# L1 @% s# W6 oThe operating frequency is programmable from 800kHz to+ w5 q! _' a' E% W9 A/ {+ ?+ ]
4MHzwithanexternalresistor.Thehighfrequencycapa-9 N' _4 h8 ^, b; ?5 {
bilityallowstheuseofsmallsuRFacemountinductors.For
& `' J6 U# L) Y0 dswitching noise sensitive applications, it can be externally
2 L" V) j) T2 I; ]6 k& a8 W( V" usynchronized from 800kHz to 4MHz. The PHMODE pin$ J" b: T [# k4 q
allowsusercontrolofthephaseoftheoutgoingclock
, B1 K3 D$ z# Z' V- l4 O& ?signal. The unique constant frequency/controlledon-time
6 C" ]5 b! L) M ?architectureisidealforhighstep-downratioapplications& v: Q8 s& u d. j
that are operating at high frequency while demanding
' t- {6 }* U, B! b0 S* zfast transient response. Twointernal phase-lock loops8 L/ S& y+ ^9 h
synchronize the internal oscillator to the externalclock6 w s0 ]0 i9 Z. Q( [2 p8 p. O
andalsoservostheregulatoron-timetolockontoeither
7 h6 z, b5 e" \: Wtheinternalclockortheexternalclockifit’spresent.
7 B$ C. t5 O9 p0 W6 k. L5 i; C |
|
/1 
发表于 2023-2-23 17:49
收藏
淘帖
支持！
反对！