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LTM4643 датащи(PDF) 8 Page - Analog Devices |
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LTM4643 датащи(HTML) 8 Page - Analog Devices |
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8 / 30 page ![]() LTM4638 8 Rev. C For more information www.analog.com RUN (B4): Run Control Input Pin. Enable regulator opera- tion by tying the specific RUN pin above 1.25V. Tying it below 1.1V shuts down the specific regulator channel. TSENSE+ (A6): Temperature Monitor Pin. An internal diode connected NPN transistor is placed between TSENSE+ and TSENSE– pins. See the Applications Information section. GND (B2, B6, C3-C7, D5-D7, E5-E7, F5-F7, G6-G7): Power Ground Pins for Both Input and Output Returns. Use large PCB copper areas to connect all GND together. PIN FUNCTIONS PGOOD (B5): Output Power Good Pin with Open-Drain Logic. PGOOD is pulled to ground when the voltage on the FB pin is not within ±8% of the internal 0.6V reference. TSENSE–(A7):LowSideoftheInternalTemperatureMonitor. SW (B7): Switching node of each channel that is used for testing purposes. Also an R-C snubber network can be applied to reduce or eliminate switch node ringing, or otherwise leave floating. See the Applications Information section. |
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