ZCC6601 直流隔离电源 替代SN6505

Siweidianzi

FEATURES
, s2 b0 G& s  ^$ L0 Q• Push-Pull Driver for Small Transformers
7 \& p+ f, Q, a. @, m• Single 3.3 V or 5 V Supply
• High Primary-side Current Drive:
5 L% f- z1 |4 h– 5 V Supply: 650 mA (max)
6 C" ?7 C8 u: M+ s  Y% a) d4 U& O$ u: ]– 3.3 V Supply: 450 mA (max)
• Low Ripple on Rectified Output Permits Small
Output Capacitors
) f% t4 K0 s- Q; d, \• Soft start and Current limit
5 e4 S6 ^$ y. R3 N' R• Thermal shutdown
& S: P2 f  w) @% Y• Small 5-pin SOT23 Package
• Short circuit protection
• Over temperature protection

! T* ~3 u. w; q% w9 BAPPLICATIONS
4 d! g) b" K1 v[size=13.2667px]• Isolated InteRFace Power Supply for CAN, RS-485, RS-422, RS-232, SPI, I2C, Low-Power LAN
• Industrial Automation
1 T# p# m% ?1 Z4 H4 j% S8 z• Process Control
• Medical Equipment
) O$ F, I* J: _7 R' J% H2 gDESCRIPTION
; q5 `8 U+ o  b) h2 ?/ N& @The ZCC6601 is a monolithic oscillator/power-driver, specifically designed for small form factor, isolated power
" {! l4 N5 l, U/ B5 y2 l- dsupplies in isolated interface applications. It drives a low-profile, center-tapped transformer primary from a 3.3 V
or 5 V DC power supply. The secondary can be wound to provide any isolated voltage based on transformer
turns ratio.
The ZCC6601 consists of an oscillator followed by a gate drive circuit that provides the complementary output
4 B  @, a. y0 I. e; n+ x0 X/ Z! wsignals to drive the ground referenced N-channel power switches. The internal logic ensures break-before-make
( d& m: O! |7 {action between the two switches.
' @% Y% B+ X$ s, g$ W' ^The ZCC6601 is available in a small SOT23-5 package, and is specified for operation at temperatures from –
1 e' _* f' P2 b# y. w$ H7 e' u40°C to 125°C