MP20073 MPS, MP20073 Datasheet
MP20073
Available stocks
Related parts for MP20073
MP20073 Summary of contents
Page 1
... The MP20073 maintains a fast transient response only requiring 20µF (2x10µF) of ceramic output capacitance. The MP20073 supports Kelvin sensing functions. The MP20073 is available in the 8-pin MSOP with Exposed PAD p ackage and is specified o o from - ...
Page 2
... MP20073 – 2A, 1.3V-6.0V INPUT, DDR MEMORY TERMINATION REGUALTOR Part Number* MP20073DH * For Tape & Reel, add suffix –Z (e.g. MP20073DH–Z); For RoHS Compliant Packaging, add suffix –LF (e.g. MP20073DH–LF–Z) ABSOLUTE MAXIMUM RATINGS Supply Voltage V ...................... -0.3V to 6.0V DDQ Drive Voltage VDRV..................... -0.3V to 6.0V All Other Pins................................ -0.3V to 6.0V Continuous Power Dissipation ...
Page 3
... MP20073 – 2A, 1.3V-6.0V INPUT, DDR MEMORY TERMINATION REGUALTOR ELECTRICAL CHARACTERISTICS 3.3V +25 C, unless otherwise noted. DRV A Parameters Symbol VDRV Operating Voltage VDRV Shut down current IDRV_SD VDRV Operation Current Thermal Trip Point Hysteresis TSDHYS VDDQ UVLO Upper VDDQUV+ Rising Edge; hysteresis = 55mV ...
Page 4
... MP20073 – 2A, 1.3V-6.0V INPUT, DDR MEMORY TERMINATION REGUALTOR PIN FUNCTIONS Pin # Name Description Power input for VTT regulator. Connect to GND through 10uF ceramic capacitor. 1 DDQ It is normally connected to the VDDQ of DDR memory rail. 2 VTT Power output for the VTT LDO. GND, 3 The exposed pad and GND pin must be connected to the same ground plane. ...
Page 5
... MP20073 – 2A, 1.3V-6.0V INPUT, DDR MEMORY TERMINATION REGUALTOR TYPICAL PERFORMANCE CHARACTERISTICS =10µ =0.1µ DDR3 Regulation 0.79 0.78 0.77 0.76 0.75 0.74 0.73 0.72 0.71 -3 -2.4 -1.2 0 1.2 2 (A) TT DDR3 Source Regulation 0 -10 -20 -30 -40 -50 0 0.5 1 1.5 2 2.5 I (A) TT Source Over Current Protection V =V =1.8V 0.9V DDQ REF TT V REF 2V/div ...
Page 6
... MP20073 – 2A, 1.3V-6.0V INPUT, DDR MEMORY TERMINATION REGUALTOR TYPICAL PERFORMANCE CHARACTERISTICS =10µ =0.1µ REF 2V/div. V TTREF 1V/div 0.5V/div 2A/div. µ Short Circuit V =V =1.8V 0.9V DDQ REF 0.5V/div 2A/div. Sink Load Transient V =V =1.5V 0.75V ...
Page 7
... MP20073 – 2A, 1.3V-6.0V INPUT, DDR MEMORY TERMINATION REGUALTOR DETAILED OPERATING DESCRIPTION VREF REF 3.3V VDRV DDQ DDQ UVLO GND VEN EN Control Logic The internal control logic is powered by VDRV. The IC is enabled whenever VDDQ UVLO is pulled low. VTTREF output begins to track VREF/2. When the VTTEN pin is high, the VTT regulator is activated ...
Page 8
... MP20073 – 2A, 1.3V-6.0V INPUT, DDR MEMORY TERMINATION REGUALTOR Thermal Consideration of Terminator The VTT terminator is designed to handle large transient output currents. If large currents are required for very long duration, then care should be taken to ensure the maximum junction temperature is not exceeded. The 8-pin MSOP ...
Page 9
... MP20073 – 2A, 1.3V-6.0V INPUT, DDR MEMORY TERMINATION REGUALTOR APPLICATION INFORMATION Input Capacitor Depending on the trace impedance from the power supply to the part, transient increase of source current is supplied mostly by the charge from the VDDQ input capacitor. Use a 10µF (or more) ceramic capacitor to supply this transient charge ...
Page 10
... MP20073 – 2A, 1.3V-6.0V INPUT, DDR MEMORY TERMINATION REGUALTOR 3. The thermal pad of the 8-pin MSOP package should to be connected to GND for better thermal performance recommended to use a PCB with 2oz copper foil separate sense trace should be used to connect the VTT point of regulation, which is usually the local bypass capacitor for load, to the VTTSEN pin ...
Page 11
... MP20073 – 2A, 1.3V-6.0V INPUT, DDR MEMORY TERMINATION REGUALTOR PACKAGE INFORMATION 0.114(2.90) 0.122(3.10 PIN 1 ID (NOTE 0.010(0.25) 0.0256(0.65)BSC 0.014(0.35) TOP VIEW 0.030(0.75) 0.037(0.95) FRONT VIEW 0.100(2.54) 0.075(1.90) 0.040(1.00) 0.0256(0.65)BSC 0.016(0.40) RECOMMENDED LAND PATTERN NOTICE: The information in this document is subject to change without notice. Users should warrant and guarantee that third party Intellectual Property rights are not infringed upon when integrating MPS products into any application ...