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本帖最后由 Heaven_1 于 2022-11-15 18:43 编辑
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9V to 100V input voltage range& Z5 _- P$ D- x% x" s q
1.5A/5A continuous output current. |2 G: F1 ]2 o% ~5 y0 V
95% Peak Efficiency1 I4 n3 K! ^4 }1 G
400μA operating quiescent current
0 |: W" g2 P9 f R. E/ S 100V 400-mΩ high-side MOSFET
. J8 D4 q9 g, q7 X Peak Current mode control
' {0 y: t+ t4 ?/ n9 z: M2 r0 z9 l1 W 150 kHz Fixed Frequency \6 N0 z) n. K
Internal compensation for ease of use
% j; f% c! Q4 ?$ E8 K' H Up to 92% duty cycle& T, {; t9 u* K; p C* F& o
0.8V voltage reference
- ^2 V6 b e& L' w+ ? 1μA shutdown current
5 Q. E. L& D( _+ m7 Q 3A/6A cycle-by-cycle current limit
5 V& V7 i3 I! M. |. ` 150ms Hiccup mode short circuit protection b! Z$ y5 i+ Z4 M6 y+ P/ |
Function
1 b9 R+ K0 L) c @& ^: V Thermal shutdown Function
$ F! V1 o. B- m+ \4 v ESOP-8 package
% w3 K5 k& }, B; _" n" F7 WApplications
% C, |& Q( y/ d/ d Charger in vehicle
0 l) `5 U( m1 Q3 o+ G Battery Chargers% m9 u1 [* [; @* W% ~7 w
Power adapter8 K7 t5 ^! E3 p2 T8 O* T
Typical Application, l! n% z/ d' N; b
Description6 X$ g) ^% Y- X: g. X
The ZCC1005 is a high voltage, non-synchronous- r2 J7 [& |( G1 _ M1 c
step-down converter operates over a wide range3 D7 s a0 C4 [6 x
input voltage! p3 D9 P2 @6 I8 T: m- X1 G8 V
9V to 100V. The ZCC1005
9 }0 l5 G( ^( ]" \! s9 Yintegrates a 100-V 400-mΩ high-side MOSFET.
8 l W( M/ H+ f3 T, t; P- p NThe ZCC1005 delivers 1.5A continuous load' v; [ T g* a3 N
current with up to 95% efficiency. The ZCC1005
2 r0 {5 |* v L( Coperates with fixed frequency peak current control4 x9 I; ]) ]2 Y0 e1 J3 y3 s
with built-in compensation eliminates the need for6 o) A* }; n7 ?/ y7 j; M
external components.
0 N* O3 h1 M: _Cycle-by-cycle current limit in high-side MOSFET
! _. z$ }4 I" c! G( H: `protects the converter in an overload condition.+ s0 [/ w) `/ Y' G% r
Hiccup mode protection is triggered if the
7 c% ^1 _: f* Z8 R7 {over-current condition has persisted for longer than4 H& l1 R# g5 U0 _
the present time.
|% g U0 c# r$ h6 N$ K) g+ @ OThe ZCC1005 exhibits protection features that; f& E1 e: o: s' Z, |7 }+ @
protect the load from faults like under-voltage,+ _/ E$ X& b. s# t# q2 Q1 H& {
over-current and over-temperature. d) L1 n* F: Q# v
The ZCC1005 is available in an ESOP-8 package+ L; k! l. D& W; r4 j- B
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