Datasheet ADUM5230 (Analog Devices) - 7

Data Sheet ADuM5230 PIN CONFIGURATION AND FUNCTION DESCRIPTIONS GND1 1 16 VOA VDD1 2 15 VISO VADJ 3 14 GNDISO ADuM5230 GND1 4 13 DNC TOP VIEW VIA 5 (Not to Scale) 12 DNC VIB 6 11 GNDB VDD1 7 10 VDDB GND1 8 9 VOB
002 0- 08
DNC = DO NOT CONNECT
07 Figure 3. Pin Configuration
Table 8. Pin Function Descriptions Pin No. Mnemonic Description
1 GND1 Ground Reference for Input Logic Signals. 2 VDD1 Input Supply Voltage, 4.5 V to 5.5 V. 3 VADJ Adjusts Internal DC-to-DC Converter Duty Cycle (Normally Left Unconnected). 4 GND1 Ground Reference for Input Logic Signals. 5 VIA Logic Input A. 6 VIB Logic Input B. 7 VDD1 Input Supply Voltage, 4.5 V to 5.5 V. 8 GND1 Ground Reference for Input Logic Signals. 9 VOB Output B Signal. 10 VDDB Output B Supply Voltage, 12 V to 18 V. 11 GNDB Ground Reference for Output B Signal. 12 DNC Do Not Connect. 13 DNC Do Not Connect. 14 GNDISO Ground Reference for Output A Signal and Isolated Output Supply Voltage. 15 VISO Isolated Output Supply Voltage. 16 VOA Output A Signal. For specific layout guidelines, refer to the AN-0971 Application Note, Recommendations for Control of Radiated Emissions with isoPower Devices.
Table 9. Truth Table (Positive Logic) VIA Input1 VIB Input
1
VDD1 State2 VISO State2 VDDB State1, 2 VOA Output VOB Output Notes
High High Powered Powered Powered High High High Low Powered Powered Powered High Low Low High Powered Powered Powered Low High Low Low Powered Powered Powered Low Low X X UVLO Unpowered X Low Low Output returns to input state within 1 μs of VDD1 power restoration. X X Powered UVLO Unpowered Low Low Output returns to input state within 1 μs of VISO and VDDB power restoration. X High Powered UVLO Powered Low High Output returns to input state within 1 μs of VISO power restoration. X Low Powered UVLO Powered Low Low Output returns to input state within 1 μs of VISO power restoration. High X Powered Powered UVLO High Low VOB output returns to input state within 1 μs of VDDB power restoration. Low X Powered Powered UVLO Low Low VOB output returns to input state within 1 μs of VDDB power restoration. 1 X means don’t care. 2 UVLO represents either a voltage below the UVLO threshold for that supply or absence of power. Rev. C | Page 7 of 15 Document Outline FEATURES APPLICATIONS FUNCTIONAL BLOCK DIAGRAM GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ELECTRICAL CHARACTERISTICS PACKAGE CHARACTERISTICS REGULATORY INFORMATION INSULATION AND SAFETY-RELATED SPECIFICATIONS RECOMMENDED OPERATING CONDITIONS ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFOMANCE CHARACTERISTICS APPLICATIONS INFORMATION THEORY OF OPERATION PRINTED CIRCUIT BOARD (PCB) LAYOUT THERMAL ANALYSIS PROPAGATION DELAY-RELATED PARAMETERS DC CORRECTNESS AND MAGNETIC FIELD IMMUNITY POWER CONSUMPTION INCREASING AND DECREASING AVAILABLE POWER COMMON-MODE TRANSIENT IMMUNITY TYPICAL APPLICATION USAGE INSULATION LIFETIME OUTLINE DIMENSIONS ORDERING GUIDE AUTOMOTIVE PRODUCTS