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本帖最后由 Heaven_1 于 2022-11-10 18:50 编辑
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Features- z! i5 }2 C$ g* g; Z7 E0 W
9V to 100V input voltage range. I* ~! P7 j* F, q3 i3 {
1.5A/5A continuous output current, N6 S: I/ p$ C7 H% b$ P$ E
95% Peak Efficiency m0 y8 _% N/ l8 h; _6 h
400μA operating quiescent current N0 u5 K: `* T0 f) R1 I9 [5 v9 I8 `
100V 400-mΩ high-side MOSFET D; @" P* R" r# \4 h$ U7 n1 z w
Peak Current mode control4 c$ P$ U% i- B
150 kHz Fixed Frequency6 @7 w- R+ ^4 B! ]' D6 x
Internal compensation for ease of use7 b" J, ^3 j% e$ |" k3 [! U0 M
Up to 92% duty cycle3 D2 Q; ?$ c3 y, ~
0.8V voltage reference! O* B+ G7 T8 S z' o( h6 E7 m
1μA shutdown current
/ ^6 N9 F, ^( C. W. @9 n 3A/6A cycle-by-cycle current limit3 l6 [. u6 m1 u) A" L
150ms Hiccup mode short circuit protection, Z1 X6 p* u. U0 z
Function$ j: i. F% f& c/ `
Thermal shutdown Function
( m3 j, v( Z: [# v1 X, v5 n ESOP-8 package4 ?8 ]: }# W3 X6 {( W: u" D( p
Applications4 D1 |2 B. a( B/ R9 J2 O8 ^( B8 ~/ |# k
Charger in vehicle
- E3 F, q. N2 t' Q2 l Battery Chargers' i3 H! y0 @: }! X% W+ p" O0 r; n
Power adapter. ?" W9 v" t) x$ q
Typical Application' K6 P. T7 {% l' O) u
Description
" u% x4 _* z: x' T4 ?7 F& zThe ZCC1005 is a high voltage, non-synchronous/ f) s! Q+ C/ S& L0 S
step-down converter operates over a wide range
+ @7 Q v9 J% e1 T3 g; Ninput voltage
+ f( _" F* p8 K. p7 W9V to 100V. The ZCC1005# K( K) ~$ s' a) N7 j
integrates a 100-V 400-mΩ high-side MOSFET.
3 r' T: C. l+ Y# OThe ZCC1005 delivers 1.5A continuous load! T& b( H1 P j7 J; [1 q, U5 S# a
current with up to 95% efficiency. The ZCC1005+ X$ l: ` v: \
operates with fixed frequency peak current control
9 G& S* N3 B. T9 swith built-in compensation eliminates the need for# g1 c* L& }" h- a
external components.& A+ l, |/ C/ t5 \4 ^" @/ Z
Cycle-by-cycle current limit in high-side MOSFET
/ s" z" q0 x6 pprotects the converter in an overload condition.
& S- o+ b3 Z1 S" L% F* I- jHiccup mode protection is triggered if the8 L' Z% w7 M( V, V
over-current condition has persisted for longer than/ d( k& S/ T1 e5 S4 a* j
the present time.
7 F( S. ^- {' @ f# y5 OThe ZCC1005 exhibits protection features that% i+ w y9 ]+ r* M& A) V: Q
protect the load from faults like under-voltage,6 ~# C+ E( J# L
over-current and over-temperature.& N# U: @7 l* w- G2 s' E
The ZCC1005 is available in an ESOP-8 package.8 c% H* c- Z1 _5 [
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发表于 2022-11-10 18:07
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