Datasheet ADN8831 (Analog Devices) - 10

HerstellerAnalog Devices
BeschreibungA High Efficiency TEC Controller Solution
Seiten / Seite18 / 10 — ADN8831. Data Sheet. 740. VDD = 5V. VDD = 5V TA = 25°C. 720. kHz ( Y. mA) …
RevisionC
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DokumentenspracheEnglisch

ADN8831. Data Sheet. 740. VDD = 5V. VDD = 5V TA = 25°C. 720. kHz ( Y. mA) (. 700. UE Q RE F. CURRE. 680. L PP. CHI IT. W S. 660. 640. –40. –15. 200. 400. 600. 800

ADN8831 Data Sheet 740 VDD = 5V VDD = 5V TA = 25°C 720 kHz ( Y mA) ( 700 UE Q RE F CURRE 680 L PP CHI IT W S 660 640 –40 –15 200 400 600 800

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ADN8831 Data Sheet 740 15 VDD = 5V VDD = 5V TA = 25°C ) 720 12 kHz ( Y mA) ( NC 700 9 NT UE Q RE F CURRE 680 Y 6 NG L PP CHI IT SU W S 660 3
1 1 010 0 04663-
640
04663-
0 –40 –15 10 35 60 85 200 400 600 800 1000 TEMPERATURE (°C) SWITCHING FREQUENCY (kHz)
Figure 10. Switching Frequency vs. Temperature Figure 11. Supply Current vs. Switching Frequency Rev. C | Page 10 of 18 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM REVISION HISTORY DETAILED BLOCK DIAGRAM SPECIFICATIONS ELECTRICAL CHARACTERISTICS ABSOLUTE MAXIMUM RATINGS THERMAL CHARACTERISTICS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION OSCILLATOR CLOCK FREQUENCY Free-Run Operation External Clock Operation Connecting Multiple ADN8831 Devices OSCILLATOR CLOCK PHASE TEMPERATURE LOCK INDICATOR SOFT START ON POWER-UP SHUTDOWN MODE STANDBY MODE TEC VOLTAGE/CURRENT MONITOR Voltage Monitor Current Monitor MAXIMUM TEC VOLTAGE LIMIT Using a DAC Using a Resistor Divider MAXIMUM TEC CURRENT LIMIT APPLICATIONS INFORMATION SIGNAL FLOW THERMISTOR SETUP THERMISTOR AMPLIFIER (Chop1) PID COMPENSATION AMPLIFIER (Chop2) MOSFET DRIVER AMPLIFIER OUTLINE DIMENSIONS ORDERING GUIDE