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参数资料
| 型号： | V62/04752-01XE |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | 3 A SWITCHING CONTROLLER, 2000 kHz SWITCHING FREQ-MAX, PDSO28 |
| 封装： | GREEN, PLASTIC, SOIC-28 |
| 文件页数： | 15/15页 |
| 文件大小： | 389K |
| 代理商： | V62/04752-01XE |
UC2875EP
PHASE SHIFT RESONANT CONTROLLER
SGLS233A FEBRUARY 2004 REVISED DECEMBER 2008
9
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION AND OPERATION INFORMATION
Figure 4. Oscillator Schematic, Frequency vs Resistance Graph, and Timing Diagram
The high frequency oscillator may be either free-running or externally synchronized. For free-running operation,
the frequency is set via an external resistor and capacitor to ground from the FREQSET pin.
The CLOCKSYNC pin of the oscillator may be used to synchronize multiple UC2875 devices simply by
connecting the CLOCKSYNC of each UC2875 to the others as in Figure 5.
Figure 5. Synchronizing Multiple UC2875EP Devices
All ICs will sync to chip with the fastest local oscillator.
R1 & RN may be needed to keep sync pulse narrow due to capacitance on line.
R1 & RN may also be needed to properly terminate RSYNC line.
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