ZCC6601替代SN6505

Siweidianzi

FEATURES
; j: g6 D) ~% [) q1 W$ M9 dAPPLICATIONS
* r6 ]) |0 Z: Y0 Q3 J• Push-Pull Driver for Small Transformers
8 Z; I2 `( x2 t% R• Isolated InteRFace Power Supply for CAN, RS-
• Single 3.3 V or 5 V Supply
* x& M4 i+ p# X( A* Y7 y1 T• High Primary-side Current Drive:
– 5 V Supply: 650 mA (max)
/ N. W3 a! |! P" g1 |– 3.3 V Supply: 450 mA (max)
• Low Ripple on Rectified Output Permits Small
* k9 a9 K8 s6 V6 C1 K- v/ l/ YOutput Capacitors
• Soft start and Current limit
2 R  r, R* `0 o) y# ]• Thermal shutdown
• Small 5-pin SOT23 Package
485, RS-422, RS-232, SPI, I2C, Low-Power LAN
8 C& p/ f* C9 f" l# i0 O• Industrial Automation
, `8 n  H# h  }9 K/ y) t* ?• Process Control
2 o" h9 `' O9 u3 p) u1 h2 k2 R• Medical Equipment
) f% T8 f4 V) ~5 b$ A  A1 {DESCRIPTION
* q/ N" G, {$ W0 I6 ^The ZCC6601 is a monolithic oscillator/power-driver, specifically designed for small form factor, isolated power
$ O3 E- D* S& V' y# K( _supplies in isolated interface applications. It drives a low-profile, center-tapped transformer primary from a 3.3 V
( b3 t8 c" i, r, R  F  M) V8 zor 5 V DC power supply. The secondary can be wound to provide any isolated voltage based on transformer
; Q3 d" Z1 r/ s7 V. l$ xturns ratio.
+ a! A+ `, Q0 x: }7 M2 K6 G6 tThe ZCC6601 consists of an oscillator followed by a gate drive circuit that provides the complementary output
, ~. A8 A6 N5 Z3 o+ T% O9 G8 ~3 v, f  Lsignals to drive the ground referenced N-channel power switches. The internal logic ensures break-before-make
action between the two switches.
The ZCC6601 is available in a small SOT23-5 package, and is specified for operation at temperatures from –
40°C to 125°C.