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签到天数: 28 天 [LV.4]偶尔看看III
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FEATURES 1 O# y( Q) m. r% v9 P# ~6 B
APPLICATIONS
0 H2 ~ p9 a& V( Y• Push-Pull Driver for Small Transformers z8 U6 q! G) m5 [1 A! t6 g
• Isolated InteRFace Power Supply for CAN, RS-
6 ?! f; ?2 y" e. n# l• Single 3.3 V or 5 V Supply
2 j! Z- Y( H3 ~0 a8 ~7 U: ^; ~7 F• High Primary-side Current Drive:
1 j$ }! F$ K3 ?$ d% B" O8 X! p– 5 V Supply: 650 mA (max) - n( N$ T5 ~, U
– 3.3 V Supply: 450 mA (max)
" m/ Y; p0 j/ Q. [• Low Ripple on Rectified Output Permits Small & M2 M1 r) F$ U
Output Capacitors
. I* d& I0 S; w) u9 j- n5 q( [• Soft start and Current limit
+ W1 j9 ~8 t3 r0 V+ B3 X• Thermal shutdown
0 |5 e, m, ?; @, |$ U• Small 5-pin SOT23 Package
' ~, }, t) r5 C3 _. h' G; V+ I7 [) B485, RS-422, RS-232, SPI, I2C, Low-Power LAN
* c2 R' M0 V7 |: g" q• Industrial Automation
( r& L+ g* a. y4 V, F! D9 V% W• Process Control ( a. ?/ t, g2 Y9 {; b& F
• Medical Equipment 4 X# k. u8 n3 `, B0 W, U
DESCRIPTION 2 m0 v. y; W, Y: q5 F
The ZCC6601 is a monolithic oscillator/power-driver, specifically designed for small form factor, isolated power - F* K" S: q7 f0 R
supplies in isolated interface applications. It drives a low-profile, center-tapped transformer primary from a 3.3 V
& a4 a& c) M' \4 |$ H; i" @or 5 V DC power supply. The secondary can be wound to provide any isolated voltage based on transformer 4 _8 d; ^1 c, [( ?9 V) M
turns ratio.
3 [8 t# T4 }& v! P- bThe ZCC6601 consists of an oscillator followed by a gate drive circuit that provides the complementary output 4 T5 y: T* k# C" [- T
signals to drive the ground referenced N-channel power switches. The internal logic ensures break-before-make
3 |5 O- C4 E. q N# waction between the two switches. ' ^5 W# W f1 Y
The ZCC6601 is available in a small SOT23-5 package, and is specified for operation at temperatures from – ' C0 _+ ?* g, P/ O& Q9 V
40°C to 125°C.5 _( U) Z/ Q+ j% w p0 j- l( @
/ `* U; w1 L+ T$ v N
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