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- 產品
- 電源管理ic
new
fp6806
production
microprocessor reset circuits with adjustable delay time
產品說明
the fp6806 asserts a reset signal whenever the vdd supply voltage declines below the preset threshold and monitors the system voltages from 0.4v to 5v. a time delayed reset can be accomplished with an additional external capacitor. the fp6806 quiescent current is very low and suitable for portable and battery-operated applications.
the output rst (rst) signal is set to be active low. rst (rst) remains low for the delay time after reset condition is deasserted and then goes high. the fp6806 provides ± 1% threshold accuracy.
fp6806 is available in space-saving tsot-23-3, tsot-23-5, tsot-23-6 packages.
特性
- power-on reset generator with adjustable delay time: 2ms to 10s (fp6806s9)
cd pin open: rst(rst) delay 240ms typical
cd pin connected to vdd through a resistor between 100k&omega: rst (rst) delay 0ms typical
capacitor adjustable delay time - very low quiescent current:
1.6µa typical (fp6806s9)
2.6µa typical (fp6806s7, fp6806s8) - high threshold accuracy: ± 1% typical
- fixed threshold voltages for standard voltage rails from 0.8v to 5v (fp6806s9), 1.5v to 5v (fp6806s7, fp6806s8)
- manual reset mr input
- push-pull rst(rst) output
- immune to short negative sense voltage
- guarantee reset valid to vdd=0.8v
- available in tsot-23-3, tsot-23-5, tsot-23-6 packages
封裝和引腳定義
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訂購信息
| part name | package | request | |
|---|---|---|---|
| fp6806-xxa/bs7 | tsot-23-3 |
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| fp6806-xxa/bs8 | tsot-23-5 |
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| fp6806-xxa/bs9 | tsot-23-6 |
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