TA的每日心情 | 开心 2022-8-5 15:55 |
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签到天数: 11 天 [LV.3]偶尔看看II
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Features
% t# B9 ?. v- K0 A 9V to 100V input voltage range/ q; s! U& y9 l u- t
1.5A/5A continuous output current% Q8 V0 X5 u7 S' q
95% Peak Efficiency8 s/ o3 n0 l. u" W
400μA operating quiescent current$ G" [9 G& ?* D7 `: c/ O8 J
100V 400-mΩ high-side MOSFET3 y! W! v/ v* r4 C8 a
Peak Current mode control
1 K( P- l t7 |# Q& _! M 150 kHz Fixed Frequency* `* B* F. b* g( _* h2 k" t
Internal compensation for ease of use( ]- M s7 h- E& A
Up to 92% duty cycle, g& ?" q5 V2 V2 c2 ^* O
0.8V voltage reference' u" w+ l" }; g" c6 A
1μA shutdown current
: T, Z+ m0 q3 P* |% p 3A/6A cycle-by-cycle current limit
& j& d5 C: h2 O6 j# A9 q% S 150ms Hiccup mode short circuit protection
. x3 T" R/ ~- l" D/ V: yFunction
, u8 z5 @+ W5 F, R; S Thermal shutdown Function
7 w- i' m" Z F2 V8 T7 E ESOP-8 package; L5 M, L. I; s+ M1 o0 a+ k( ~/ b
Applications
3 r8 G- A% I" L# M& u2 b: o% I1 ] Charger in vehicle% `* @' q j% B
Battery Chargers
5 m/ `* l# N/ \8 j: n Power adapter
* }9 h/ Q k1 |7 j/ s% q2 s* wTypical Application8 `; S0 Y: y- _7 c
Description
. n* s8 c: i9 I( B) X/ tThe ZCC1005 is a high voltage, non-synchronous' Y& I: e! r) Z! m
step-down converter operates over a wide range
3 Q" Z# v t: U9 s1 Y( @input voltage8 O* o, W, h& \+ R. |' {
9V to 100V. The ZCC1005
( j% [( J: S2 s* o6 [2 W Hintegrates a 100-V 400-mΩ high-side MOSFET.* o+ t: {' O2 p4 @3 T6 r; |! N
The ZCC1005 delivers 1.5A continuous load$ G* F+ h: J: M
current with up to 95% efficiency. The ZCC1005
. X/ n! p! n) t2 E0 P5 f Z) Ooperates with fixed frequency peak current control7 t4 f: |) {+ S2 \. ]# g1 t0 W |
with built-in compensation eliminates the need for
( |. I T) }4 b* d8 d' Iexternal components.
8 c1 s/ }" u/ U' ^: |3 O6 rCycle-by-cycle current limit in high-side MOSFET
% \; ]& E! ]/ N& F& B1 R( _protects the converter in an overload condition.
9 j; T4 b( H1 b: a; y8 m7 a; MHiccup mode protection is triggered if the
2 |! R: d: F" m- B8 oover-current condition has persisted for longer than, V! u8 Q7 a& k2 g% [
the present time.! v3 d2 e& A8 P3 u
The ZCC1005 exhibits protection features that
* Y3 i" t& [/ L! Dprotect the load from faults like under-voltage,
# L" ?8 n. G6 o4 Eover-current and over-temperature.8 P- R( |, e5 l! `( g9 ]' ?9 m/ c2 s
The ZCC1005 is available in an ESOP-8 package.) y$ Z$ d9 {$ g) g" G0 o
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