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本帖最后由 Heaven_1 于 2022-7-1 18:46 编辑 ( t8 A% q/ Y9 N# Z
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Features( f! g- f# m1 H1 Y0 v( @9 r
9V to 100V input voltage range
* h; P: A, V, |4 ]/ w 1.5A current limit
- ?( ~) G$ y3 E: _4 |6 } 1A continuous load current$ P$ ~! h' y8 E* q
95% Peak Efficiency5 J$ k, G3 j, @
400μA operating quiescent current
3 p% i3 D2 k2 G+ r 120V 400-mΩ high-side MOSFET2 y) y5 E1 ~, S8 f! t# @' k
Peak Current mode control. q3 Q( U [7 f; B6 m* E
150 kHz Fixed Frequency' V- z# N" @+ l. N# g
Internal compensation for ease of use
% v( {! X V$ z1 D! I Up to 92% duty cycle
9 [3 W8 s* f7 s: @7 y' ? 0.8V voltage reference
9 A9 Y! q5 O: s! [8 i: ^# i 1μA shutdown current7 X: j4 u& Y( A- A' J1 n+ @7 P
150ms Hiccup mode short circuit protection
# r# s1 v; b% v7 x+ U rFunction
6 W0 M% z# K/ ]- ^4 E6 G" u Thermal shutdown Function9 o; Y R" R5 ~+ l% @" V2 V% X0 L
ESOP-8 package
" T' I1 B& F6 }' Y. HApplications! \, M- ^: U+ ]& t+ ~) V
Charger in vehicle3 M% P: b/ l( V& g" }6 X
Battery Chargers* L" ~1 L$ |; @5 i, ?: w
Power adapter
) u8 ?( K+ V" }Description# x& F0 n" j# o% L* H3 o% }9 N3 L' s
The ZCC1001E is a high voltage, non-synchronous& o2 [$ Q+ x7 L/ r! e6 i
step-down converter operates over a wide range
8 [6 J+ L, s: l$ K2 dinput voltage 9V to 100V. The ZCC1001E% G; g( n+ @; y3 A7 \. a* I
integrates a 120-V 400-mΩ high-side MOSFET.
8 J" k- @+ E2 o: lThe ZCC1001E delivers 1A continuous load9 l- c: @1 k3 B o* K2 b
current with up to 95% efficiency. The ZCC1001E# N7 G( c! T( W7 r5 D; e
operates with fixed frequency peak current control+ _* K: t$ e. [( m
with built-in compensation eliminates the need for
6 \4 _" J5 `, \- s! k4 i4 d1 Jexternal components.$ s H. t1 a( l5 a
Cycle-by-cycle current limit in high-side MOSFET
\7 y: c0 s! \" s% g; vprotects the converter in an overload condition.
0 T# c& Z+ H& o9 D& XHiccup mode protection is triggered if the over0 t& ]# i5 l7 z: ]. M/ x
current condition has persisted for longer than the
) K/ k/ c4 Q0 s3 v4 d/ o! vpresent time.
; y% d" `) L" h) kThe ZCC1001E exhibits protection features that
+ y5 R5 Z& R& J- h* z$ Cprotect the load from faults like under-voltage,+ n7 }5 R' q, l" Y o/ ]5 i5 I; R
over-current and over-temperature., r0 W6 p+ f( O$ X/ V9 Q
The ZCC1001E is available in an ESOP-8 package.
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发表于 2022-7-1 18:02
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