ZCC2785 (500V线性稳压器芯片，替代NCP785)

Siweidianzi

The ZCC2785 is a high−peRFormance linear regulator, offering a very wide
$ O6 P! d* _6 b6 R/ R( aoperating input voltage range of up to 450 V DC, with an output current of up to
10 mA.
4 @' D) W0 o8 S2 U" h& nIdeal for high input voltage applications such as industrial and home metering,
" T2 ]$ a( B! t0 _+ u8 r  Z7 @, z1 khome appliances. The ZCC2785 family offers ±5% initial accuracy, extremely
' b5 t  T& r% H9 K' ~. Whigh−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.
9 U. `" y) r( u1 p: cThe ZCC2785 is offered in fixed output voltage options 2.7V,3.3 V, and5.0 V.
package offers good thermal performance and
! B4 I0 c5 d; R( H" B. r4 Rhelp to
minimize the solution size.
Features
1 N" S  j' |7 F& z6 i8 u2 a( Q● Wide Input Voltage Range:
DC: Up to 450 V
AC: 85 V to 260 V (half−wave rectifier and 2.2 μF capacitor)
! I7 q0 `. s0 e& P' V  w●10 mA Guaranteed Output Current
8 A8 j6 u8 n$ N8 e4 Q7 e  g& n●Ultra Low Quiescent Current: Typ. 10 μA (VOUT ≤ 5 V)
  m& H" S6 i5 C; Q% z+ X●±5% Accuracy Over Full Load, Line and Temperature Variations
; m+ Z7 j5 O1 t$ m●Ultra−high PSRR: 70 dB at 60 Hz, 90 dB at 100 kHz
●Stable with Ceramic Output Capacitor 22 μF MLCC
2 r6 |0 b9 V8 K; ~- Q; ^' a●Thermal Shutdown and Current Limit Protection
1 Q0 ?+ F4 M5 M7 o/ \●Available in Thermally Enhanced ESOP8 Package
$ p$ K' N+ x  Q7 L0 F" P5 ?●This is a Pb−Free Device
  M1 }2 w! M* R$ N: |8 T: O% F- s+ K