Datasheet

ManualsBrandsLINEAR TECHNOLOGY ManualsPMICsPMIC - power supply controllers/monitors 3.7 mA QFN 24 (5x4)

LTC2970/LTC2970-1

29701fc

TABLE OF CO TE TS

(For Operations Sections)

1. LTC2970 Operation Overview .............................................................................................................................13

2. I

C Serial Digital Interface .................................................................................................................................14

3. Register Command Set .......................................................................................................................................15

4. Detailed I

C Command Register Descriptions ...................................................................................................16

5. Soft Connecting the LTC2970 to the Power Supply Feedback Node ..................................................................20

6. Hard Connecting the LTC2970 to the Power Supply Trim Pin ............................................................................20

7. Programming a Previously Connected IDAC ...................................................................................................... 21

8. Disconnecting the LTC2970 from the Power Supply Trim Pin ...........................................................................21

9. Tracking Power Supplies Overview (LTC2970-1 Only) ....................................................................................... 21

10. Tracking Power Supplies On (LTC2970-1 Only) .................................................................................................21

11. Tracking Power Supplies Off (LTC2970-1 Only) .................................................................................................22

12. Continuous Power Supply Voltage Servo ...........................................................................................................23

13. One Time Power Supply Voltage Servo .............................................................................................................24

14. One Time Power Supply Voltage Servo with Repeat On Fault ..........................................................................24

15. Conﬁ guring ADC to Monitor Input Channels and Internal Temperature Sensor ................................................24

16. Generating and Monitoring Instantaneous Faults ..............................................................................................25

17. Generating and Monitoring Latched Faults ........................................................................................................26

18. General Purpose Input/Output Pins ....................................................................................................................27

19. Advanced Development Features ....................................................................................................................... 27