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ADP3401 Datasheet(PDF) 6 Page - Analog Devices |
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ADP3401 Datasheet(HTML) 6 Page - Analog Devices |
6 / 12 page ADP3401 –6– REV. 0 Table I. LDO Control Logic INPUTS OUTPUTS UVLO CHRON PWRONKEY PWRONIN ANALOGON VRTC VCC VCCA REFOUT VTCXO L X X X X Off Off Off Off Off H H XX X On On On On On HX L X X On On On On On H L H L X On Off Off Off Off HL H H L On On Off Off Off HL H H H On On On On On X = Don't care Bold denotes the active control signal. OVER TEMP EN REF BUFFER VBAT VREF EN GND PG OUT DIGITAL LDO VCC 2.765V DGND VRTC 2.85V VBAT EN GND OUT VBAT VREF EN GND OUT POWER GOOD RTC LDO XTAL OSC LDO ANALOG LDO VBAT VREF EN GND OUT REFOUT AGND VCCA 2.765V VTCXO 2.765V + 1.210V UVLO ADJ UVLO VBAT PWRONKEY ROWX PWRONIN RESCAP CHARGER ON THRESHOLD RESET CHRON ANALOGON SIMBAT CAP+ CAP SIMPROG SIMON SIMGND RESETIN CLKIN DATAIO CHARGE PUMP LOGIC LEVEL TRANSLATION VSIM RST CLK I/O EN 3V/5V 20k EN ADP3401 RESET GENERATOR Figure 1. Functional Block Diagram Table II. VSIM Control Logic INPUTS OUTPUTS VCC RESET SIMON SIMPROG VSIM Off L X X Off On L X X Off On H L X Off On H H L 3 V On H H H 5 V X = Don't care |
Similar Part No. - ADP3401_15 |
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Similar Description - ADP3401_15 |
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