ATH10K12-9J

ATH10K12 Series —12-V Input 10-A, 12-V Input Non-Isolated Wide-Output Adjust Power Module REVISION 00 (4DEC2003) Features • Up to 10-A Output Current • 12-V Input Voltage • Wide-Output Voltage Adjust (1.2 V to 5.5 V) • Efficiencies up to 95 % • 225 W/in³ Power Density • On/Off Inhibit • Output Voltage Sense • Margin Up/Down Controls • Under-Voltage Lockout • Auto-Track™ Sequencing • Output Over-Current Protection (Non-Latching, Auto-Reset) • Operating Temp: –40 to +85 °C • IPC Lead Free 2 • Safety Agency Approvals (Pending) UL 1950, CSA 22.2 950, & EN60950 • Point-of-Load Alliance (POLA) Compatible NOMINAL SIZE = 1 in x 0.62 in (25,4 mm x 15,75 mm) Description The ATH10K12 series is a nonisolated power module, and part of a new class of complete DC/DC converters from Texas Instruments. These modules are small in size, and a feature-rich alternative for applications requiring up to 10 A of load current. Its small footprint, (1 in × 0.62 in) and industry leading features makes this module suitable for space conscious digital systems that incorporate multiple processors. The ATH10K12 module operates from a 12-V input bus voltage to provide step-down power conversion to any output voltage over the range, 1.2 V to 5.5 V. The output voltage is set using a single resistor. This product includes Auto-Track™ Sequencing. Auto-Track greatly simplifies the task of supply voltage sequencing in a power system, by enabling modules to track each other, or any other external voltage, during power up and power down. Other features include an on/off inhibit and margin up/down controls. An output voltage sense ensures tight load regulation. A non-latching over-current trip protects against load faults. Target applications are complex digital systems that incorporate the industry’s latest high-speed DSPs, ASICs, FPGAs, micro-processors, and bus drivers. Pin Configuration Pin 1 2 3 4 5 6 7 8 9 10 Function GND Vin Inhibit * Vo Adjust Vo Sense Vout GND Track Margin Down * Margin Up * A DVANCE INFORMATION * Denotes negative logic: Open = Normal operation Ground = Function active ™ Track Auto- ncing e Sequ Standard Application Track Margin Down Margin Up 10 1 9 8 7 Rset = Required to set the output voltage to a value higher than 1.2 V. (See specification table for values) Cin = Required 560 µF capacitor Cout = Optional 330 µF capacitor ATH10K12-9S PTH12060W VIN (Top View) 2 3 4 5 6 VOUT Inhibit Vo Sense RSET 1 %, 0.1 W (Required) L O A D GND North America (USA): 1-888-41-ASTEC Europe (UK): 44(1384)842-211 + CIN 560 µF (Required) Co1 330 µF (Optional) Co2 10 µF Ceramic (Optionable) + GND Asia (HK): 852-2437-9662 ATH10K12 Series —12-V Input 10-A, 12-V Input Non-Isolated Wide-Output Adjust Power Module REVISION 00 (4DEC2003) Ordering Information Input Voltage 10.8V to 13.2V Options: “-J” “-SJ” “-S” - Output Voltage 1.2V1 to 5.5V Output Current 10A Model Number ATH10K12-9(S)(J) Through-hole Termination, Tray Packaging SMT Termination, Tray Packaging SMT Termination, T&R Packaging Notes: 1 Preset output voltage is 1.2V; externally adjustable to 5.5V through the Vo,Adjust pin Pin Descriptions Vin: The positive input voltage power node to the module, which is referenced to common GND. Vout: The regulated positive power output with respect to the GND node. GND: This is the common ground connection for the Vin and Vout power connections. It is also the 0 VDC reference for the control inputs. Inhibit: The Inhibit pin is an open-collector/drain negative logic input that is referenced to GND. Applying a lowlevel ground signal to this input disables the module’s output and turns off the output voltage. When the Inhibit control is active, the input current drawn by the regulator is significantly reduced. If the Inhibit pin is left open-circuit, the module will produce an output whenever a valid input source is applied. Vo Adjust: A 1 % 0.1 W resistor must be directly connected between this pin and pin 7 (GND) to set output voltage to a value higher than 1.2 V. The temperature stability of the resistor should be 100 ppm/°C or better. The set point range is from 1.2 V to 5.5 V. The resistor value required for a given output voltage may be calculated from the following formula. If left open circuit the output voltage will default to its lowest value. For further information on output voltage adjustment consult the related application note. Rset = 10 kΩ · 0.8 V Vout – 1.2 V – 1.82 kΩ Vo Sense: The sense input allows the regulation circuit to compensate for voltage drop between the module and the load. For optimal voltage accuracy Vo Sense should be connected to Vout. It can also be left disconnected. A DVANCE INFORMATION Track: This is an analog control input that enables the output voltage to follow an external voltage. This pin becomes active typically 20 ms after the input voltage has been applied, and allows direct control of the output voltage from 0 V up to the nominal set-point voltage. Within this range the output will follow the voltage at the Track pin on a volt-for-volt basis. When the control voltage is raised above this range, the module regulates at its set-point voltage. The feature allows the output voltage to rise simultaneously with other modules powered from the same input bus. If unused, the input may be left unconnected. Note: Due to the under-voltage lockout, this feature does not allow the output from the module to follow its own input voltage during power up. For more information, consult the related application note. Margin Down: When this input is asserted to GND, the output voltage is decreased by 5% from the nominal. The input requires an open-collector (open-drain) interface. It is not TTL compatible. A lower percent change can be accomodated with a series resistor. For further information, consult the related application note. Margin Up: When this input is asserted to GND, the output voltage is increased by 5%. The input requires an open-collector (open-drain) interface. It is not TTL compatible. The percent change can be reduced with a series resistor. For further information, consult the related application note. The specification table gives the preferred resistor values for a number of standard output voltages. North America (USA): 1-888-41-ASTEC Europe (UK): 44(1384)842-211 Asia (HK): 852-2437-9662 ATH10K12 Series —12-V Input 10-A, 12-V Input Non-Isolated Wide-Output Adjust Power Module Environmental & Absolute Maximum Ratings Characteristics Track Input Voltage Operating T emperature Range Solder Reflow Temperature Storage T emperature Mechanical Shock Mechanical Vibration Weight Flammability — — Symbols Vtrack Ta Treflow Ts (Voltages are with respect to GND) Min –0.2 –40 (i) –40 — — — Typ — — — TBD TBD 5 Max Vin 85 215 (ii) 125 — — — Units V °C °C °C G’s G’s grams Conditions Over Vin Range Surface temperature of module body or pins — Per Mil-STD-883D, Method 2002.3 1 msec, ½ Sine, mounted Mil-STD-883D, Method 2007.2 20-2000 Hz Meets UL 94V-O Notes: (i) For operation below 0 °C the external capacitors must bave stable characteristics. Use either a low ESR tantalum, Os-Con, or ceramic capacitor. (ii) During reflow of SMD package version do not elevate peak temperature of the module, pins or internal components above the stated maximum. For further guidance refer to the application note, “Reflow Soldering Requirements for Plug-in Power Surface Mount Products.” Specifications (Unless otherwise stated, Ta =25 °C, Vin =12 V, Vout =3.3 V, C in=560 µF, Co1 =0 µF, and Io =Iomax) Symbols Io Vin Vo tol ∆Regtemp ∆Regline ∆Regload ∆Regtot η Conditions 1.2 V ≤ Vo ≤ 5.5 V, Over Io range –40 °C 2.5 V Reset, followed by auto-recovery 1 A/µs load step, 50 to 100 % Iomax, Co1 =330 µF Recovery Time Vo over/undershoot Pin to GND Pin to GND Vtrack – Vo ≤ 50 mV and Vtrack < Vo(nom) Vin increasing Vin decreasing Referenced to GND Pin to GND Inhibit (pin 3) to GND, Track (pin 8) open Over Vin and Io ranges 85 °C, 200 LFM airflow 25 °C, natural convection Min 0 0 10.8 — — — — — — — — — — — — — — — — — — — — 5 — 8.8 Vin –0.5 –0.2 — — 300 560 (6) 0 TBD A DVANCE INFORMATION Characteristics Output Current Input Voltage Range Set-Point Voltage T olerance Temperature Variation Line Regulation Load Regulation Total Output Variation Efficiency ATH10K12 Typ — — — — ±0.5 ±10 ±12 — 94 92 90 88 87 85 83 25 1 20 Max 10 (1) 10 (1) 13.2 ±2 (2) — — — ±3 — — — — — — — — — — — — — — –0.13 — 10.4 — Open 0.5 — — 400 — TBD — Units A V %Vo %Vo mV mV %Vo % Vo Ripple (pk-pk) Over-Current Threshold Transient Response Vr Io trip ttr ∆Vtr Vo adj IIL margin IIL track dVtrack/dt UVLO VIH VIL IIL inhibit Iin inh ƒs Cin Cout MTBF (3) (3) mVpp % Vo A µSec mV % µA mA V/ms V (5) Margin Up/Down Adjust Margin Input Current (pins 9 /10) Track Input Current (pin 8) Track Slew Rate Capability Under-Voltage Lockout Inhibit Control (pin3) Input High Voltage Input Low Voltage Input Low Current Input Standby Current Switching Frequency External Input Capacitance External Output Capacitance Reliability 70 100 ±5 – 8 (4) — — 9.5 9 — — –0.24 10 350 — 330 (7) — (5) V mA mA kHz µF µF 106 Hrs Per Bellcore TR-332 50 % stress, Ta =40 °C, ground benign Notes: (1) See SOA curves or consult factory for appropriate derating. (2) The set-point voltage tolerance is affected by the tolerance and stability of R SET . The stated limit is unconditionally met if RSET has a tolerance of 1 % with 100 ppm/°C or better temperature stability. (3) The pk-pk output ripple voltage is measured with an external 10 µF ceramic capacitor. See the standard application schematic. (4) A small low-leakage (3400 mA 1060 mA 1270 mA 1360 mA >1100 mA >3500 mA 4700 mA >2500 mA >3000 mA 1600 mA >2000 mA 2360 mA Physical Size (mm) 10×10.2 12.5×15 12.5×13.5 12.5×13.5 10×10.5 10×12.5 10×16 10×7.7 12.5×15 16×15 16×15 10×10 10×10.5 11×12 7.3L ×5.7W ×4.1H 4.3W ×7.3L ×4.0H 7.2L ×6W ×4.1H Quantity Input Bus 2 1 1 1 2 2 1 3 1 1 1 2 2 2 N/R (1) N/R (1) N/R (1) N/R (1) N/R (1) Optional Output Bus 1 1 1 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 Vendor Part Number 330 560 1000 680 330 330 680 180x3 560 680 560 330 270 330 330 330 330 220 330 EEFWA1C331P EEUFC1E561S EEVFK1E102Q EEVFK1V681Q 16FX330M 16PS330MJ12 LXZ16VB681M10X16LL PXA16VC181MJ80TP UPM1E561MHH6 UPM1E681MHH6 UPM1V561MHH6 UWG1E331MNR1GS 16SP270M 16SVP330M TPSE337M010R0100 (Vo