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| 型號(hào)： | 5962-8768105VEA |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 2.2 A SWITCHING CONTROLLER, 1180 kHz SWITCHING FREQ-MAX, CDIP16 |
| 封裝： | CERAMIC, DIP-16 |
| 文件頁(yè)數(shù)： | 15/15頁(yè) |
| 文件大?。?/td> | 503K |
| 代理商： | 5962-8768105VEA |
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CONTROL METHODS
UDG-95109
UDG-95110
Current Mode
Voltage Mode
.
SYNCHRONIZATION
UDG-95113
UDG-95112
www.ti.com ..................................................................................................................................................... SLUS873A – JANUARY 2009 – REVISED APRIL 2009
Figure 8. Control Methods
The oscillator can be synchronized by an external pulse inserted in series with the timing capacitor. Program the
free running frequency of the oscillator to be 10% to 15% slower than the desired synchronous frequency. The
pulse width should be greater than 10 ns and less than half the discharge time of the oscillator. The rising edge
of the CLK/LEB pin can be used to generate a synchronizing pulse for other chips. Note that the CLK/LEB pin no
longer accepts an incoming synchronizing signal.
Figure 9. General Oscillator Synchronization
Figure 10. Two Unit Interface
Figure 11. Operational Waveforms
Copyright 2009, Texas Instruments Incorporated
9
Product Folder Link(s): UC1825A-SP
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