ZSPM1025A Datasheet

© 2016 Integrated Device Technology, Inc.

4

January 25, 2016

4.7.5.

VOUT_COMMAND ........................................................................................................................... 27

4.7.6.

STATUS_BYTE................................................................................................................................. 27

4.7.7.

STATUS_WORD............................................................................................................................... 28

4.7.8.

STATUS_VOUT ................................................................................................................................ 28

4.7.9.

STATUS_IOUT ................................................................................................................................. 29

4.7.10. STATUS_INPUT ............................................................................................................................... 29

4.7.11. STATUS_TEMPERATURE............................................................................................................... 29

4.7.12. STATUS_CML .................................................................................................................................. 30

4.7.13. STATUS_MFR_SPECIFIC ............................................................................................................... 30

4.7.14. READ_VIN ........................................................................................................................................ 30

4.7.15. READ_VOUT .................................................................................................................................... 30

4.7.16. READ_IOUT...................................................................................................................................... 31

4.7.17. READ_TEMPERATURE1 ................................................................................................................. 31

4.7.18. READ_TEMPERATURE2 ................................................................................................................. 31

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Application Information................................................................................................................................... 32

5.1.

Typical Application Circuit ....................................................................................................................... 32

5.1.1.

Output Voltage Selection .................................................................................................................. 34

5.1.2.

Output Capacitor Selection ............................................................................................................... 34

5.2.

Typical Performance Measurements for the ZSPM1025A ...................................................................... 34

5.2.1.

Typical Load Transient Response – Capacitor Range #1 – VOUT Range #1 ................................. 35

5.2.2.

Typical Load Transient Response – Capacitor Range #2 – VOUT Range #1 ................................. 36

5.2.3.

Typical Load Transient Response – Capacitor Range #3 – VOUT Range #1 ................................. 37

5.2.4.

Typical Load Transient Response – Capacitor Range #4 – VOUT Range #1 ................................. 38

5.2.5.

Typical Load Transient Response – Capacitor Range #1 – VOUT Range #2 ................................. 39

5.2.6.

Typical Load Transient Response – Capacitor Range #2 – VOUT Range #2 ................................. 40

5.2.7.

Typical Load Transient Response – Capacitor Range #3 – VOUT Range #2 ................................. 41

5.2.8.

Typical Load Transient Response – Capacitor Range #4 – VOUT Range #2 ................................. 42

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Mechanical Specifications .............................................................................................................................. 43

7

Ordering Information ...................................................................................................................................... 44

8

Related Documents........................................................................................................................................ 44

9

Glossary ......................................................................................................................................................... 44

10 Document Revision History ............................................................................................................................ 45

List of Figures

Figure 2.1

Typical Application Circuit with a 5V Supply Voltage ....................................................................... 11

Figure 2.2

Block Diagram................................................................................................................................... 12

Figure 2.3

Pin-out QFN24 Package................................................................................................................... 14