ZCC1001E 100V 1.5A降压芯片(1)

四维电子

6 y. q6 \; Q4 w5 OFeatures
2 d7 C  c5 p2 b, z 9V to 100V input voltage range
8 z9 ~$ G* E; F/ E1 K 1.5A current limit
 1A continuous load current
 95% Peak Efficiency
$ N  K  R9 w& C, W9 k/ W5 n) G 400μA operating quiescent current
 120V 400-mΩ high-side MOSFET
  a# A. M0 s" e' z( @* W, N5 C( l: S! k8 ? Peak Current mode control
( c7 Z7 Z4 g7 D9 B9 a 150 kHz Fixed Frequency
 Internal compensation for ease of use
 Up to 92% duty cycle
 0.8V voltage reference
 1μA shutdown current
- r, M$ I1 _  d5 L 150ms Hiccup mode short circuit protection
Function
- \4 H( r7 i0 q. e( P Thermal shutdown Function
  @2 {- J3 p4 w ESOP-8 package
% G! |, k) S* {3 `* D- _6 `Applications
 Charger in vehicle
6 V  J/ [5 X- x6 z& ] Battery Chargers
1 Z# Q$ a: T6 i Power adapter
4 F5 _! Z! h2 J7 ?8 ODescription
6 p, v& m' `( w$ O' M# }+ JThe ZCC1001E is a high voltage, non-synchronous
& ~$ v6 G$ U  V( }step-down converter operates over a wide range
input voltage 9V to 100V. The ZCC1001E
integrates a 120-V 400-mΩ high-side MOSFET.
The ZCC1001E delivers 1A continuous load
9 k, Q3 }* w  r( ?/ Vcurrent with up to 95% efficiency. The ZCC1001E
* C' {1 x; v% H1 b. {8 ~operates with fixed frequency peak current control
9 N) N8 P9 n4 J8 ]with built-in compensation eliminates the need for
external components.
% E/ U6 J2 E7 G6 T3 m# nCycle-by-cycle current limit in high-side MOSFET
( Z9 [5 J9 @& T8 x2 ~! W* {protects the converter in an overload condition.
, L4 ^2 v* m) G" l+ t2 M' z  f- S; DHiccup mode protection is triggered if the over
, {8 B0 H5 i+ G7 |current condition has persisted for longer than the
present time.
The ZCC1001E exhibits protection features that
protect the load from faults like under-voltage,
over-current and over-temperature.
The ZCC1001E is available in an ESOP-8 package.

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