MC34164-3 Datasheet, PDF (22/23 Pages) Freescale Semiconductor, Inc – 3.0 A 1.0 MHz Fully Integrated DDR Switch-Mode Power Supply

REVISION HISTORY
REVISION DATE
1.0
2/2006
2.0
11/2006
3.0
2/2007
4.0
5/2007
REVISION HISTORY
DESCRIPTION OF CHANGES
• Pre-release version
• Implemented Revision History page
• Initial release
• Converted format from Market Assessment to Product Preview
• Major updates to the data, form, and style
• Replaced all electrolytic capacitors with ceramic ones in Figure 1
• Deleted Deadtime in Dynamic Electrical Characteristics
• Moved Figures 8 ahead of TYPE III COMPENSATION NETWORK
• Changed Features fom 2% to 1%
• Changed 34712 Simplified Application Diagram
• Removed Machine Model in Maximum Ratings
• Added minimum limits to Input DC Supply Current ⁽¹¹⁾ Normal mode, Input DC Supply Current ⁽¹¹⁾
Standby mode, and Input DC Supply Current ⁽¹¹⁾ Shutdown mode
• Added High-side MOSFET Drain Voltage Range
• Changed Output Voltage Accuracy ⁽¹²⁾, ⁽¹³⁾, ⁽¹⁴⁾
• Changed Short Circuit Current Limit
• Changed High-Side N-CH Power MOSFET (M3) RDS(ON) ⁽¹²⁾ and Low-Side N-CH Power
MOSFET (M4) RDS(ON) ⁽¹²⁾
• Changed M2 RDS(ON)
• Changed PVIN Pin Leakage Current
• Changed VREFOUT Buffered Reference Voltage Accuracy ⁽¹⁷⁾, VREFOUT Buffered Reference
Voltage Current Capability, and VREFOUT Buffered Reference Voltage Over Current Limit
• Changed STBY Pin Internal Pull Up Resistor and SD Pin Internal Pull Up Resistor
• Changed Soft Start Duration, Over Current Limit Retry Time-out Period, and Output Undervoltage/
Overvoltage Filter Delay Timer
• Changed Oscillator Default Switching Frequency ⁽¹⁸⁾
• Changed PG Reset Delay and Thermal Shutdown Retry Time-out Period ⁽¹⁹⁾
• Changed drawings in Typical Applications
• Changed drawing in Type III Compensation Network
• Removed PC34712EP/R2 from the ordering information and added MC34712EP/R2
• Changed the data sheet status to Advance Information
34712
22
Analog Integrated Circuit Device Data
Freescale Semiconductor