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签到天数: 28 天 [LV.4]偶尔看看III
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7 b0 } [5 C3 |, gAPPLICATIONS
2 X- S! I |+ D0 r- r• Push-Pull Driver for Small Transformers
8 P% K3 a" R+ Q/ U, ~, X0 {8 T• Isolated InteRFace Power Supply for CAN, RS- ; a3 J9 _. I. x. N/ J
• Single 3.3 V or 5 V Supply , q8 c8 W5 Q/ E
• High Primary-side Current Drive: ) W7 {+ \( G* y4 a
– 5 V Supply: 650 mA (max) ; o; w6 y4 K$ A6 ~
– 3.3 V Supply: 450 mA (max) # ?) v: U& [. F# c: Q/ r
• Low Ripple on Rectified Output Permits Small
5 Q% L8 P* h; ?Output Capacitors
. V4 ?0 y: t* R4 p+ x• Soft start and Current limit
. a' [8 P3 v& j) ~% d$ o& L: o• Thermal shutdown
3 M, ?! N8 \) J$ L3 t( t• Small 5-pin SOT23 Package . o: T& F# h! c7 ^" M0 k$ r# x
485, RS-422, RS-232, SPI, I2C, Low-Power LAN
2 ^4 B0 b" J- g, c0 ~0 c6 d• Industrial Automation
) ~3 c% F/ Z. ]• Process Control 5 e c1 V5 w- K5 z
• Medical Equipment ' [) F" p9 P- X$ x3 H
DESCRIPTION [$ X# V- I0 l7 c- t! w9 @5 v
The ZCC6601 is a monolithic oscillator/power-driver, specifically designed for small form factor, isolated power * Z2 m. v# Q8 L1 G9 k$ W$ a
supplies in isolated interface applications. It drives a low-profile, center-tapped transformer primary from a 3.3 V $ `7 d( Z( B# Y: w
or 5 V DC power supply. The secondary can be wound to provide any isolated voltage based on transformer
1 u6 [# b. ^9 y! O4 n+ Xturns ratio.
, Q- h& U7 T5 K9 bThe ZCC6601 consists of an oscillator followed by a gate drive circuit that provides the complementary output
2 o6 Z, F+ S( k9 Lsignals to drive the ground referenced N-channel power switches. The internal logic ensures break-before-make 8 _& E+ n( v, @+ S, c; T
action between the two switches. 1 ` {5 T2 ~2 o% A7 X/ S' F
The ZCC6601 is available in a small SOT23-5 package, and is specified for operation at temperatures from –
- c. g. c0 B# K' p5 _0 L& Q0 Y5 `9 Y40°C to 125°C.0 d; ]$ y! r) }' |) `% p5 V$ h
5 [2 [$ c/ B& X) {; I; M
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