Datasheet

DS_8023C_019 73S8023C Data Sheet
Rev. 1.5 3
Table of Contents
1 Pin Description .................................................................................................................................... 5
1.1
Card Interface ............................................................................................................................... 5
1.2
Miscellaneous Inputs and Outputs ................................................................................................ 5
1.3
Power Supply and Ground ............................................................................................................ 5
1.4
Microcontroller Interface ............................................................................................................... 6
2
System Controller Interface ............................................................................................................... 7
3
Oscillator .............................................................................................................................................. 8
4
DC-DC Converter – Card Power Supply .......................................................................................... 8
5
Voltage Supervision ........................................................................................................................... 9
6
Power Down ....................................................................................................................................... 10
7
Over-Temperature Monitor ............................................................................................................... 10
8
Activation and Deactivation ............................................................................................................. 11
8.1
Activation Sequence (Synchronous Mode) ................................................................................ 11
8.2
Deactivation Sequence (Synchronous Mode) ............................................................................ 11
8.3
Activation Sequence (Asynchronous Mode) ............................................................................... 12
8.4
Deactivation Sequence (Asynchronous Mode) .......................................................................... 14
9
OFF and Fault Detection .................................................................................................................. 14
10
I/O Circuitry and Timing ................................................................................................................... 15
11
Typical Application Schematic ........................................................................................................ 17
12
Electrical Specification ..................................................................................................................... 18
12.1
Absolute Maximum Ratings ........................................................................................................ 18
12.2
Recommended Operating Conditions ......................................................................................... 18
12.3
Package Thermal Parameters .................................................................................................... 18
12.4
Card Interface Characteristics .................................................................................................... 19
12.5
Digital Signals ............................................................................................................................. 22
12.6
DC Characteristics ...................................................................................................................... 23
12.7
Voltage / Temperature Fault Detection Circuits .......................................................................... 23
13
Mechanical Drawing (32-QFN) ......................................................................................................... 24
14
Package Pin Designation (32-QFN) ................................................................................................. 25
15
Ordering Information ........................................................................................................................ 26
16
Related Documentation .................................................................................................................... 26
17
Contact Information .......................................................................................................................... 26
Revision History
........................................................................................................................................ 27