APTH012A0X_10

Data Sheet April 7, 2011 Micro TLynxTM: Non-Isolated DC-DC Power Modules: 2.4Vdc –5.5Vdc input; 0.6Vdc to 3.63Vdc output; 12A Output Current Features        Compliant to RoHS EU Directive 2002/95/EC (Z versions) Compatible in a Pb-free or SnPb reflow environment (Z versions) Wide Input voltage range (2.4Vdc-5.5Vdc) Output voltage programmable from 0.6Vdc to 3.63 Vdc via external resistor Tunable Loop to optimize dynamic output voltage response Flexible output voltage sequencing EZSEQUENCE – APTH versions Remote sense Fixed switching frequency Output overcurrent protection (non-latching) Overtemperature protection Remote On/Off Ability to sink and source current Cost efficient open frame design Small size: 20.3 mm x 11.4 mm x 8.5 mm (0.8 in x 0.45 in x 0.334 in) Vin+ VIN VOUT SENSE RTUNE TM RoHS Compliant Applications       EZ-SEQUENCE TM        Vout+ Distributed power architectures Intermediate bus voltage applications Telecommunications equipment Servers and storage applications Networking equipment Industrial equipment   Wide operating temperature range (-40°C to 85°C) UL* 60950-1Recognized, CSA C22.2 No. 60950-1-03 Certified, and VDE‡ 0805:2001-12 (EN60950-1) Licensed ISO** 9001 and ISO 14001 certified manufacturing facilities † MODULE Cin SEQ CTUNE Q1 Co  ON/OFF GND TRIM RTrim Description The Micro TLynx series of power modules are non-isolated dc-dc converters that can deliver up to 12A of output current. These modules operate over a wide range of input voltage (VIN = 2.4Vdc-5.5Vdc) and provide a precisely regulated output voltage from 0.6Vdc to 3.63Vdc, programmable via an external resistor. Features include remote On/Off, adjustable output voltage, over current and overtemperature protection, and output voltage sequencing (APTH versions). A new feature, the Tunable LoopTM, allows the user to optimize the dynamic response of the converter to match the load with reduced amount of output capacitance leading to savings on cost and PWB area. * UL is a registered trademark of Underwriters Laboratories, Inc. † ‡ TM CSA is a registered trademark of Canadian Standards Association. VDE is a trademark of Verband Deutscher Elektrotechniker e.V. ** ISO is a registered trademark of the International Organization of Standards Document No: DS07-007 ver. 1.15 PDF name: APTH012A0X_ds.pdf Data Sheet April 7, 2011 Austin MicroTLynx: Non-isolated DC-DC Power Modules: 2.4 – 5.5Vdc input; 0.6Vdc to 3.63Vdc output; 12A output current Absolute Maximum Ratings Stresses in excess of the absolute maximum ratings can cause permanent damage to the device. These are absolute stress ratings only, functional operation of the device is not implied at these or any other conditions in excess of those given in the operations sections of the data sheet. Exposure to absolute maximum ratings for extended periods can adversely affect the device reliability. Parameter Input Voltage Continuous Sequencing Voltage Operating Ambient Temperature (see Thermal Considerations section) Storage Temperature All Tstg -55 125 °C APTH All VSEQ TA -0.3 -40 ViN, Max 85 Vdc °C Device All Symbol VIN Min -0.3 Max 6 Unit Vdc Electrical Specifications Unless otherwise indicated, specifications apply over all operating input voltage, resistive load, and temperature conditions. Parameter Operating Input Voltage Maximum Input Current (VIN=2.4V to 5.5V, IO=IO, max ) Input No Load Current (VIN = 5.0Vdc, IO = 0, module enabled) Input Stand-by Current (VIN = 5.0Vdc, module disabled) Inrush Transient Input Reflected Ripple Current, peak-to-peak (5Hz to 20MHz, 1μH source impedance; VIN =0 to 5.5V, IO= IOmax ; See Test Configurations) Input Ripple Rejection (120Hz) All All All It 49 -30 2 Device All All VO,set = 0.6 Vdc VO,set = 3.3Vdc All Symbol VIN IIN,max IIN,No load IIN,No load IIN,stand-by Min 2.4 Typ ⎯ Max 5.5 11A Unit Vdc Adc mA mA mA 36 81 3 1 As mAp-p dB 2 LINEAGE POWER 2 Data Sheet April 7, 2011 Micro TLynxTM: Non-isolated DC-DC Power Modules: 2.4 – 5.5Vdc input; 0.6Vdc to 3.63Vdc output; 12A output current Electrical Specifications (continued) Parameter Output Voltage Set-point Output Voltage (Over all operating input voltage, resistive load, and temperature conditions until end of life) Adjustment Range Selected by an external resistor Output Regulation (for VO ≥ 2.5Vdc) Line (VIN=VIN, min to VIN, max) Load (IO=IO, min to IO, max) Output Regulation (for VO < 2.5Vdc) Line (VIN=VIN, min to VIN, max) Load (IO=IO, min to IO, max) Temperature (Tref=TA, min to TA, max) Remote Sense Range Output Ripple and Noise on nominal output (VIN=VIN, nom and IO=IO, min to IO, max Co = 0.1μF // 10 μF ceramic capacitors) Peak-to-Peak (5Hz to 20MHz bandwidth) RMS (5Hz to 20MHz bandwidth) External Capacitance ESR ≥ 1 mΩ With the Tunable Loop ESR ≥ 0.15 mΩ ESR ≥ 10 mΩ Output Current Output Current Limit Inception (Hiccup Mode ) Output Short-Circuit Current (VO≤250mV) ( Hiccup Mode ) Efficiency VIN= 3.3Vdc, TA=25°C IO=IO, max , VO= VO,set Vin=5Vdc Switching Frequency 1 TM 1 TM Device All All Symbol VO, set VO, set Min -1.5 -3.0 Typ Max +1.5 Unit % VO, set % VO, set ⎯ +3.0 All VO 0.6 3.63 Vdc All All All All All All ⎯ ⎯ ⎯ ⎯ ⎯ 0.4 10 10 5 0.4 0.5 % VO, set mV mV mV % VO, set V All All ⎯ ⎯ 25 10 35 15 mVpk-pk mVrms Without the Tunable Loop All All All All All All VO,set = 0.6Vdc VO, set = 1.2Vdc VO,set = 1.8Vdc VO,set = 2.5Vdc VO,set = 3.3Vdc All TM CO, max CO, max CO, max Io IO, lim IO, s/c η η η η η fsw 0 0 0 0 ⎯ ⎯ ⎯ 200 1000 5000 12 200 μF μF μF Adc % Io,max % Io,max % % % % % 30 75.0 85.5 89.9 92.7 94.6 ⎯ 600 ⎯ kHz External capacitors may require using the new Tunable Loop feature to ensure that the module is stable as well as TM getting the best transient response. See the Tunable Loop section for details. LINEAGE POWER 3 Data Sheet April 7, 2011 Micro TLynxTM: Non-isolated DC-DC Power Modules: 2.4 – 5.5Vdc input; 0.6Vdc to 3.63Vdc output; 12A output current General Specifications Parameter Calculated MTBF (IO=IO, max, TA=25°C) Telecordia Issue 2, Method 1 Case 3 Weight ⎯ Min Typ 28,160,677 3.59 (0.127) ⎯ Max Unit Hours g (oz.) Feature Specifications Unless otherwise indicated, specifications apply over all operating input voltage, resistive load, and temperature conditions. See Feature Descriptions for additional information. Parameter On/Off Signal Interface (VIN=VIN, min to VIN, max ; open collector or equivalent, Signal referenced to GND) Device is with suffix “4” – Positive Logic (See Ordering Information) Logic High (Module ON) Input High Current Input High Voltage Logic Low (Module OFF) Input Low Current Input Low Voltage Device Code with no suffix – Negative Logic (See Ordering Information) (On/OFF pin is open collector/drain logic input with external pull-up resistor; signal referenced to GND) Logic High (Module OFF) Input High Current Input High Voltage Logic Low (Module ON) Input low Current Input Low Voltage Turn-On Delay and Rise Times (VIN=VIN, nom, IO=IO, max , VO to within ±1% of steady state) Case 1: On/Off input is enabled and then input power is applied (delay from instant at which VIN = VIN, min until Vo = 10% of Vo, set) Case 2: Input power is applied for at least one second and then the On/Off input is enabled (delay from instant at which Von/Off is enabled until Vo = 10% of Vo, set) Output voltage Rise time (time for Vo to rise from 10% of Vo, set to 90% of Vo, set) Output voltage overshoot (TA = 25 C VIN= VIN, min to VIN, max,IO = IO, min to IO, max) With or without maximum external capacitance Over Temperature Protection (See Thermal Considerations section) Sequencing Delay time Delay from VIN, min to application of voltage on SEQ pin Tracking Accuracy (Power-Up: 2V/ms) (Power-Down: 2V/ms) (VIN, min to VIN, max; IO, min to IO, max VSEQ < Vo) APTH APTHl APTH TsEQ-delay VSEQ –Vo VSEQ –Vo 10 100 100 msec mV mV All Tref 130 °C o Devic e Symbol Min Typ Max Unit All All All All IIH VIH IIL VIL ⎯ VIN – 0.8 ⎯ -0.2 ⎯ ⎯ ⎯ ⎯ 10 VIN,max 0.3 0.3 µA V mA V All All All All IIH VIH IIL VIL ― VIN – 1.6 ― -0.2 ― ― ― ― 2 VIN, max 1 VIN – 1.6 mA Vdc mA Vdc All Tdelay ― 2 ― msec All Tdelay ― 2 ― msec All Trise ― 5 ― 3.0 msec % VO, LINEAGE POWER 4 Data Sheet April 7, 2011 Micro TLynxTM: Non-isolated DC-DC Power Modules: 2.4 – 5.5Vdc input; 0.6Vdc to 3.63Vdc output; 12A output current Feature Specifications (continued) Parameter Input Undervoltage Lockout Turn-on Threshold Turn-off Threshold Hysteresis All All All 1.75 0.08 0.2 2.2 Vdc Vdc Vdc Device Symbol Min Typ Max Units LINEAGE POWER 5 Data Sheet April 7, 2011 Micro TLynxTM: Non-isolated DC-DC Power Modules: 2.4 – 5.5Vdc input; 0.6Vdc to 3.63Vdc output; 12A output current Characteristic Curves The following figures provide typical characteristics for the Micro TLynxTM at 0.6Vo and at 25oC. 90 13 12 11 10 9 8 25 35 45 55 65 O 85 OUTPUT CURRENT, Io (A) EFFICIENCY, η (%) 80 Vin=2.4V 75 Vin=3.3V Vin=5.5V 70 0 2 4 6 8 10 12 2m/s (400LFM) 1m/s (200LFM) 0.5m/s (100LFM) NC 75 85 OUTPUT CURRENT, IO (A) AMBIENT TEMPERATURE, TA C Figure 1. Converter Efficiency versus Output Current. OUTPUT VOLTAGE OUTPUT CURRENT, Figure 2. Derating Output Current versus Ambient Temperature and Airflow. VO (V) (200mV/div) IO (A) (5Adiv) OUTPUT VOLTAGE VO (V) (10mV/div) TIME, t (1μs/div) TIME, t (20μs /div) Figure 3. Typical output ripple and noise (VIN = 5V, Io = Io,max). OUTPUT VOLTAGE VO (V) (200mV/div) Figure 4. Transient Response to Dynamic Load Change from 0% to 50% to 0% with VIN=5V. OUTPUT VOLTAGE INPUT VOLTAGE ON/OFF VOLTAGE VON/OFF (V) (2V/div) TIME, t (1ms/div) VIN (V) (2V/div) VO (V) (200mV/div) TIME, t (1ms/div) Figure 5. Typical Start-up Using On/Off Voltage (Io = Io,max). Figure 6. Typical Start-up Using Input Voltage (VIN = 5V, Io = Io,max). LINEAGE POWER 6 Data Sheet April 7, 2011 Micro TLynxTM: Non-isolated DC-DC Power Modules: 2.4 – 5.5Vdc input; 0.6Vdc to 3.63Vdc output; 12A output current Characteristic Curves (continued) The following figures provide typical characteristics for the Micro TLynx 95 TM at 1.2Vo and at 25 C. o 13 OUTPUT CURRENT, Io (A) 90 12 EFFICIENCY, η (%) 85 Vin=2.4V 80 Vin=3.3V Vin=5.5V 11 2m/s (400LFM) 10 1m/s (200LFM) 0.5m/s (100LFM) NC 75 9 70 0 2 4 6 8 10 12 8 25 35 45 55 65 O 75 85 OUTPUT CURRENT, IO (A) AMBIENT TEMPERATURE, TA C Figure 7. Converter Efficiency versus Output Current. OUTPUT VOLTAGE OUTPUT CURRENT, Figure 8. Derating Output Current versus Ambient Temperature and Airflow. VO (V) (200mV/div) IO (A) (5Adiv) OUTPUT VOLTAGE VO (V) (10mV/div) TIME, t (1μs/div) TIME, t (20μs /div) Figure 9. Typical output ripple and noise (VIN = 5V, Io = Io,max). OUTPUT VOLTAGE Figure 10. Transient Response to Dynamic Load Change from 0% to 50% to 0% with VIN=5V. OUTPUT VOLTAGE INPUT VOLTAGE VO (V) (500mV/div) ON/OFF VOLTAGE VON/OFF (V) (2V/div) TIME, t (1ms/div) VIN (V) (2V/div) VO (V) (500mV/div) TIME, t (1ms/div) Figure 11. Typical Start-up Using On/Off Voltage (Io = Io,max). Figure 12. Typical Start-up Using Input Voltage (VIN = 5V, Io = Io,max). LINEAGE POWER 7 Data Sheet April 7, 2011 Micro TLynxTM: Non-isolated DC-DC Power Modules: 2.4 – 5.5Vdc input; 0.6Vdc to 3.63Vdc output; 12A output current Characteristic Curves (continued) The following figures provide typical characteristics for the Micro TLynxTM at 1.8Vo and at 25oC. 100 95 13 90 85 80 75 70 0 2 4 6 8 10 12 Vin=2.4V OUTPUT CURRENT, Io (A) 12 EFFICIENCY, η (%) 11 Vin=3.3V Vin=5.5V 2m/s (400LFM) 10 1m/s (200LFM) 0.5m/s (100LFM) NC 9 8 25 35 45 55 65 O 75 85 OUTPUT CURRENT, IO (A) AMBIENT TEMPERATURE, TA C Figure 13. Converter Efficiency versus Output Current. OUTPUT VOLTAGE OUTPUT CURRENT, Figure 14. Derating Output Current versus Ambient Temperature and Airflow. VO (V) (200mV/div) IO (A) (2Adiv) OUTPUT VOLTAGE VO (V) (10mV/div) TIME, t (1μs/div) TIME, t (20μs /div) Figure 15. Typical output ripple and noise (VIN = 5V, Io = Io,max). OUTPUT VOLTAGE Figure 16. Transient Response to Dynamic Load Change from 0% to 50% to 0% with VIN=5V. OUTPUT VOLTAGE INPUT VOLTAGE VO (V) (500mV/div) ON/OFF VOLTAGE VON/OFF (V) (2V/div) TIME, t (1ms/div) VIN (V) (2V/div) VO (V) (1V/div) TIME, t (1ms/div) Figure 17. Typical Start-up Using On/Off Voltage (Io = Io,max). Figure 18. Typical Start-up Using Input Voltage (VIN = 5V, Io = Io,max). LINEAGE POWER 8 Data Sheet April 7, 2011 Micro TLynxTM: Non-isolated DC-DC Power Modules: 2.4 – 5.5Vdc input; 0.6Vdc to 3.63Vdc output; 12A output current Characteristic Curves (continued) The following figures provide typical characteristics for the Micro TLynx 100 13 TM at 2.5Vo and at 25 C. o 95 OUTPUT CURRENT, Io (A) 12 EFFICIENCY, η (%) 11 90 Vin=5.5V Vin=3V Vin=3.3V 2m/s (400LFM) 10 1m/s (200LFM) 0.5m/s (100LFM) 85 9 NC 80 0 2 4 6 8 10 12 8 25 35 45 55 65 O 75 85 OUTPUT CURRENT, IO (A) AMBIENT TEMPERATURE, TA C Figure 19. Converter Efficiency versus Output Current. OUTPUT VOLTAGE OUTPUT CURRENT, Figure 20. Derating Output Current versus Ambient Temperature and Airflow. VO (V) (200mV/div) IO (A) (5Adiv) OUTPUT VOLTAGE VO (V) (0mV/div) TIME, t (1μs/div) TIME, t (20μs /div) Figure 21. Typical output ripple and noise (VIN = 5V, Io = Io,max). OUTPUT VOLTAGE Figure 22. Transient Response to Dynamic Load Change from 0% to 50% to 0% with VIN=5V. OUTPUT VOLTAGE INPUT VOLTAGE VO (V) (1V/div) ON/OFF VOLTAGE VON/OFF (V) (5V/div) TIME, t (1ms/div) VIN (V) (2V/div) VO (V) (1V/div) TIME, t (1ms/div) Figure 23. Typical Start-up Using On/Off Voltage (Io = Io,max). Figure 24. Typical Start-up Using Input Voltage (VIN = 5V, Io = Io,max). LINEAGE POWER 9 Data Sheet April 7, 2011 Micro TLynxTM: Non-isolated DC-DC Power Modules: 2.4 – 5.5Vdc input; 0.6Vdc to 3.63Vdc output; 12A output current Characteristic Curves (continued) The following figures provide typical characteristics for the Micro TLynxTM at 3.3Vo and at 25oC. 100 13 95 OUTPUT CURRENT, Io (A) 12 EFFICIENCY, η (%) Vin=5.5V 90 Vin=5V 11 Vin=4.5V 2m/s (400LFM) 10 1m/s (200LFM) 0.5m/s (100LFM) NC 85 9 80 0 2 4 6 8 10 12 8 25 35 45 55 65 O 75 85 OUTPUT CURRENT, IO (A) AMBIENT TEMPERATURE, TA C Figure 25. Converter Efficiency versus Output Current. OUTPUT VOLTAGE OUTPUT CURRENT, Figure 26. Derating Output Current versus Ambient Temperature and Airflow. VO (V) (200mV/div) IO (A) (5Adiv) OUTPUT VOLTAGE VO (V) (10mV/div) TIME, t (1μs/div) TIME, t (20μs /div) Figure 27. Typical output ripple and noise (VIN = 5V, Io = Io,max). OUTPUT VOLTAGE Figure 28. Transient Response to Dynamic Load Change from 0% 50% to 0% with VIN=5V. OUTPUT VOLTAGE INPUT VOLTAGE VO (V) (1V/div) ON/OFF VOLTAGE VON/OFF (V) (2V/div) TIME, t (1ms/div) VIN (V) (2V/div) VO (V) (1V/div) TIME, t (1ms/div) Figure 29. Typical Start-up Using On/Off Voltage (Io = Io,max). Figure 30. Typical Start-up Using Input Voltage (VIN = 5V, Io = Io,max). LINEAGE POWER 10 Data Sheet April 7, 2011 Micro TLynxTM: Non-isolated DC-DC Power Modules: 2.4 – 5.5Vdc input; 0.6Vdc to 3.63Vdc output; 12A output current Test Configurations TO OSCILLOSCOPE LTEST 1μH VIN(+) CURRENT PROBE Design Considerations Input Filtering The Micro TLynx module should be connected to a low ac-impedance source. A highly inductive source can affect the stability of the module. An input capacitance must be placed directly adjacent to the input pin of the module, to minimize input ripple voltage and ensure module stability. To minimize input voltage ripple, low-ESR ceramic capacitors are recommended at the input of the module. Figure 34 shows the input ripple voltage for various output voltages at 3A of load current with 1x47 µF or 2x47 µF ceramic capacitors and an input of 5V. Figure 35 shows data for the 3.3Vin case, with 1x47µF or 2x37µF of ceramic capacitors at the input. 140 TM BATTERY CS 1000μF Electrolytic E.S.R.