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本帖最后由 Heaven_1 于 2022-9-26 18:47 编辑
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Features1 u* S. M1 r3 A
9V to 100V input voltage range
7 X) m; Q* a) H4 [ 1.5A/5A continuous output current
8 [/ a0 N1 N! f/ y- r! s 95% Peak Efficiency
' o: O8 i( t4 ?2 b 400μA operating quiescent current
) u3 z8 |) X s/ W) P 100V 400-mΩ high-side MOSFET
, A. L8 r- b$ o: R! Y0 }/ U I Peak Current mode control7 A( A( W3 q/ t2 a) n# W
150 kHz Fixed Frequency
% ^& }7 x7 i% F6 S Internal compensation for ease of use) o; I8 y# A- g8 u
Up to 92% duty cycle
! H; j- E5 p1 {. U, f* \) V 0.8V voltage reference9 C: d5 E! O8 }3 U- v: T
1μA shutdown current2 P' U! L4 {$ A1 {* [
3A/6A cycle-by-cycle current limit+ y* G3 C" x: s. _
150ms Hiccup mode short circuit protection& ^% z& F: q# ]/ a. H
Function
) I& \/ I. @( q Thermal shutdown Function: m# \# q& h4 A) W: O; [+ t
ESOP-8 package
9 c: w( G; e9 j( VApplications
9 O* y7 ?% t# E0 R4 h% c* U Charger in vehicle
" H3 T7 F8 Q/ ] T Battery Chargers. F+ r" x7 [- Q* v: [4 E8 w
Power adapter
6 ]+ P0 }% n( wTypical Application
( s7 g% @4 g0 c+ UDescription
% \1 N/ t" u$ p/ Q0 U$ k3 ZThe ZCC1005 is a high voltage, non-synchronous/ H3 N b5 S# q3 l( O4 H0 {
step-down converter operates over a wide range/ J7 I6 L5 y/ \9 T3 Z7 S% Z; P
input voltage
: S- G! {; s+ R8 D9V to 100V. The ZCC1005& q, q, q1 J+ f) Q
integrates a 100-V 400-mΩ high-side MOSFET.8 B9 M! |' v& S+ F/ e K& B
The ZCC1005 delivers 1.5A continuous load
; l# ?- o3 ~" v$ ]# ncurrent with up to 95% efficiency. The ZCC1005
/ W" z5 a$ ]4 s) Eoperates with fixed frequency peak current control6 j- x+ x W, C8 K X
with built-in compensation eliminates the need for
6 a7 v5 ?; i) S" iexternal components.
: ^' z* q3 b2 e- ?1 s5 f* fCycle-by-cycle current limit in high-side MOSFET
/ ~2 L; H( k5 b8 N5 a. uprotects the converter in an overload condition.- H- I' l- E9 F% M) ^* x
Hiccup mode protection is triggered if the$ n: J! X! V* p8 }2 W" \
over-current condition has persisted for longer than6 S* U2 b9 }: F4 j$ n
the present time.
1 R! b' K4 o6 B6 g8 I9 aThe ZCC1005 exhibits protection features that' m) z- D7 j2 d9 g# _ N: Q
protect the load from faults like under-voltage,
2 v* z, `& Z) p6 ^4 ~3 t+ N) O$ d8 lover-current and over-temperature.
: f9 h2 m E9 X9 z8 w4 Y. E3 \- mThe ZCC1005 is available in an ESOP-8 package.5 c2 S- s1 q% r( Z
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