zl2006 Intersil Corporation, zl2006 Datasheet - Page 2

• Manufacturer Part Number: zl2006
• Description: Adaptive Digital Dc-dc Controller With Drivers And Current Sharing
• Manufacturer: Intersil Corporation

1. Electrical Characteristics ............................................................................................................................................................. 3
2. Pin Descriptions ........................................................................................................................................................................... 7
3. Typical Application Circuit ......................................................................................................................................................... 9
4. ZL2006 Overview ...................................................................................................................................................................... 10
5. Power Conversion Functional Description.................................................................................................................................... 14
6. Power Management Functional Description .............................................................................................................................. 30
7. Package Dimensions .................................................................................................................................................................. 41
8. Ordering Information ................................................................................................................................................................. 42
9. Related Tools and Documentation ............................................................................................................................................. 42
10. Revision History ........................................................................................................................................................................ 43
4.1
4.2
4.3
4.4
5.1
5.2
5.3
5.4
5.5
5.6
5.7
5.8
5.9
5.10 Loop Compensation ............................................................................................................................................................ 27
5.11 Adaptive Compensation ...................................................................................................................................................... 28
5.12 Non-linear Response (NLR) Settings ................................................................................................................................. 28
5.13 Efficiency Optimized Driver Dead-time Control ................................................................................................................ 28
5.14 Adaptive Diode Emulation ................................................................................................................................................. 29
5.15 Adaptive Frequency Control ............................................................................................................................................... 29
6.1
6.2
6.3
6.4
6.5
6.6
6.7
6.8
6.9
6.10 Digital-DC Bus ................................................................................................................................................................... 35
6.11 Phase Spreading .................................................................................................................................................................. 35
6.12 Output Sequencing .............................................................................................................................................................. 36
6.13 Fault Spreading ................................................................................................................................................................... 36
6.14 Temperature Monitoring Using the XTEMP Pin ................................................................................................................ 37
6.15 Active Current Sharing ....................................................................................................................................................... 37
6.16 Phase Adding/Dropping ...................................................................................................................................................... 38
6.17 Monitoring via I
6.18 Snapshot™ Parameter Capture ........................................................................................................................................... 39
6.19 Non-Volatile Memory and Device Security Features ......................................................................................................... 40
Digital-DC Architecture ..................................................................................................................................................... 10
Power Conversion Overview .............................................................................................................................................. 11
Power Management Overview ............................................................................................................................................ 12
Multi-mode Pins ................................................................................................................................................................. 13
Internal Bias Regulators and Input Supply Connections .................................................................................................... 14
High-side Driver Boost Circuit ........................................................................................................................................... 14
Output Voltage Selection .................................................................................................................................................... 14
Start-up Procedure .............................................................................................................................................................. 17
Soft Start Delay and Ramp Times ...................................................................................................................................... 17
Power Good ........................................................................................................................................................................ 18
Switching Frequency and PLL ........................................................................................................................................... 19
Power Train Component Selection ..................................................................................................................................... 20
Current Limit Threshold Selection ..................................................................................................................................... 24
Input Undervoltage Lockout ............................................................................................................................................... 30
Output Overvoltage Protection ........................................................................................................................................... 30
Output Pre-Bias Protection ................................................................................................................................................. 31
Output Overcurrent Protection ............................................................................................................................................ 32
Thermal Overload Protection .............................................................................................................................................. 32
Voltage Tracking ................................................................................................................................................................ 32
Voltage Margining .............................................................................................................................................................. 33
I
I
2
2
C/SMBus Communications .............................................................................................................................................. 34
C/SMBus Device Address Selection ................................................................................................................................ 34
2
2
C/SMBus ................................................................................................................................................. 39
Table of Contents
ZL2006
December 15, 2010
FN6850.1