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本帖最后由 Heaven_1 于 2023-2-1 18:13 编辑
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Features
" Q* b H: y5 a! |# D& B 9V to 100V input voltage range s4 V% C7 w2 w3 t& P1 d6 h$ U% M. e
1.5A current limit6 G- i. o/ _. P9 k- [2 t# l, b" G; m
1A continuous load current
" b- |- J3 a; R% X& u 95% Peak Efficiency# r8 X/ N3 x0 _% w8 X7 \! h+ x
400μA operating quiescent current
- [ D# G+ a5 E1 O+ u1 M: W 120V 400-mΩ high-side MOSFET
* A5 u8 i' P' i/ F Peak Current mode control
1 k" y, Z& }4 M. M5 P' j 150 kHz Fixed Frequency4 r4 _4 m, [) ]: h& b' ^
Internal compensation for ease of use
8 _" g0 t5 J+ y* H1 H Up to 92% duty cycle" e( b% Z4 u# O
0.8V voltage reference
( k! N! ?' @1 L3 Y* ?9 V 1μA shutdown current+ R9 n6 Z( `8 v; v
150ms Hiccup mode short circuit protection% h2 B& \3 h8 n, e
Function
& w5 K) Y) l v6 Q Thermal shutdown Function; X: p7 Z/ b. G
ESOP-8 package
" `& p$ C: H2 F7 Z" v8 e, ?Applications
$ ~# M+ r1 D# e# d+ ]: [ Charger in vehicle4 X1 t1 C; O' F, @; _, L
Battery Chargers& V" T: \* i, G
Power adapter7 ]0 l5 B% I0 B/ `
Typical Application
) J4 Q9 ~1 H C$ Y8 eDescription# ?# @. s0 ^4 b3 I; L' f
The ZCC1001E is a high voltage, non-synchronous
: B. k# I6 ?# q7 Vstep-down converter operates over a wide range1 K* ]( B4 G$ K6 [1 ?: s
input voltage 9V to 100V. The ZCC1001E
( F" i9 N# H q% q# _integrates a 120-V 400-mΩ high-side MOSFET.
" x+ Z' b& r* o1 B0 m. YThe ZCC1001E delivers 1A continuous load# L9 ?: k' r! R3 b
current with up to 95% efficiency. The ZCC1001E$ {/ f2 [7 e5 M+ ?9 S; U; Z; N
operates with fixed frequency peak current control5 Z Z q2 K1 z* }3 U8 x6 K7 k+ m
with built-in compensation eliminates the need for
3 m: G' A( Y A$ V, z$ Yexternal components.
{* l0 l: G6 j* ~, c, C% W' P) ?1 XCycle-by-cycle current limit in high-side MOSFET
% m2 p% h6 u3 Z- c* zprotects the converter in an overload condition.
2 G! B) y, b" i" d" \Hiccup mode protection is triggered if the over3 a7 `/ M }8 E; p3 C% T
current condition has persisted for longer than the2 T1 p8 x. [+ Z& R" [0 X6 g1 D
present time.
# N+ O, b: N# CThe ZCC1001E exhibits protection features that
, p, o6 }6 Y/ X2 x# mprotect the load from faults like under-voltage,
' X- Y S H J/ _0 nover-current and over-temperature." @9 V9 W$ ?. z* |4 n6 D
The ZCC1001E is available in an ESOP-8 package.- f: a" O! e# U: ?9 L
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