500V线性稳压器芯片，替代NCP785-ZCC2785

Siweidianzi

The ZCC2785 is a high−peRFormance linear regulator, offering a very wide
* d$ P' ~3 P% d: m6 m! h+ Uoperating input voltage range of up to 450 V DC, with an output current of up to
10 mA.
6 e$ \  ]. ~0 _; V/ ^5 J( BIdeal for high input voltage applications such as industrial and home metering,
6 u% r' Y* W# u+ O1 nhome appliances. The ZCC2785 family offers ±5% initial accuracy, extremely
high−power supply rejection ratio and ultra−low quiescent current. The
ZCC2785 is optimized for high−voltage line and load transients, making this
part ideal for harsh environment applications.
2 W4 U4 v9 I4 g* J* rThe ZCC2785 is offered in fixed output voltage options 2.7V,3.3 V, and5.0 V.
8 i" E% V" a) P, z- G* P, mpackage offers good thermal performance and help to
* {7 b5 _4 L! l( G" {' wminimize the solution size.
Features
3 _% C' W% B" r* E2 \● Wide Input Voltage Range:
DC: Up to 450 V
& O# S- Y8 }  GAC: 85 V to 260 V (half−wave rectifier and 2.2 μF capacitor)
●10 mA Guaranteed Output Current
/ `. Y- R: x2 z6 t; y8 L●Ultra Low Quiescent Current: Typ. 10 μA (VOUT ≤ 5 V)
●±5% Accuracy Over Full Load, Line and Temperature Variations
$ b  G# k# K# A( |8 o8 J●Ultra−high PSRR: 70 dB at 60 Hz, 90 dB at 100 kHz
●Stable with Ceramic Output Capacitor 22 μF MLCC
●Thermal Shutdown and Current Limit Protection
! w/ U- X8 ^. F& X●Available in Thermally Enhanced ESOP8 Package
2 j8 s! Q" l1 G  s●This is a Pb−Free Device
7 @6 D$ {1 z9 z  l) Q