|Category||Semiconductors => Power Management => Power Modules => Non-Isolated Module => Step-Down (Buck) Module|
|Part family||PTH08000W 2.25-A, 5/12-V Input, Non-Isolated Wide Adjust Module w/ Auto-Track|
|Description||2.25-A, 5/12-V Input, Non-Isolated Wide Adjust Module w/ Auto-Track 6-Through-Hole Module -40 to 85|
|Company||Texas Instruments, Inc.|
|Datasheet||Download PTH08000W datasheet
|Operating Temperature Range(C)||-40 to 85|
|Approx. Price (US$)||5.72 | 1ku|
|Pin nb||Package type||Ind std||JEDEC code||Package qty||Carrier||Device mark||Width (mm)||Length (mm)||Thick (mm)||Pitch (mm)|
|6||EUS||Through-Hole Module||R-PDSS-T||56||TIW TRAY||12.57||18.92||8.25||3.175|
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This reference design is intended to help designers wishing to use two of the new Virtex-6™ LX240 FPGA along with DDR memory and other optional circuitry in their designs. It provides nine rails of lower voltage with an input of 12 volts. The use | Doc
2.25-A, WIDE INPUT, ADJUSTABLE SWITCHING REGULATOR WITH AUTO-TRACKTM SEQUENCING
to 2.25-A Output Current to 14-V Input Voltage Range Wide-Output Voltage Adjust 5.5 V) Efficiencies to 94% On/Off Inhibit Undervoltage Lockout (UVLO) Output Overcurrent Protection (Nonlatching, Auto-Reset) Overtemperature Protection Ambient Temperature Range: to 85°C Surface-Mount Package Safety Agency Approvals: UL/CUL 60950, EN60950 VDE (Pending)APPLICATIONS
The is a highly integrated, low-cost switching regulator module that delivers A of output current. The PTH08000W sources output current at a much higher efficiency than a TO-220 linear regulator IC, eliminating the need for a heatsink. The small size (0.75 inch × 0.5 inch) and flexible operation creates value for a variety of applications. The input voltage range of the 14 V, allowing operation from either or 12-V input bus. Using state-of-the-art switched-mode power-conversion technology, the PTH08000W can step down to voltages as low 0.9 V from a 5-V input bus, with less than W of power dissipation. The output voltage can be adjusted to any voltage over the range, 5.5 V, using a single external resistor. This series includes Auto-TrackTM sequencing. This feature simplifies the task of supply voltage sequencing in a power system by enabling modules to track each other, or any external voltage, during power up and power down. Operating features include an undervoltage lockout (UVLO), on/off inhibit, overcurrent protection, and overtemperature protection. Target applications include telecommunications, test and measurement applications, and high-end consumer products. This product is available in both through-hole and surface-mount package options, including tape and reel. The PTH08000W is compatible with TI's roadmap for RoHS and lead-free compliance.
GND * See the Application Information section for capacitor recommendations. # See the Application Information section for RSET values.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. Auto-Track, POLA, TMS320 are trademarks of Texas Instruments.
PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters.
These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam during storage or handling to prevent electrostatic damage to the MOS gates.
PTH08000 (Basic Model) Output Voltage 5.5 V Part Number (2) PTH08000WAZ Add a T suffix for tape and reel option on SMD packages. S suffix versions have SnPb solder ball material. Z suffix versions have SnAgCu solder ball material. Description Horizontal T/H - Pb-free Horizontal SMD (2) Horizontal SMD Pb-free (3) Package Designator EUS EUTover operating free-air temperature range unless otherwise noted (1)
PTH08000W TA Operating free-air temperature Lead temperature (H suffix) Solder reflow temperature (S suffix) Solder reflow temperature (Z suffix) (2) Tstg (1) (2) Storage temperature Over VI range 5 seconds Surface temperature of module body or pins Surface temperature of module body or pins 125 °C UNIT °C
Stresses beyond those listed under absolute maximum ratings may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under recommended operating conditions is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability Moisture Sensitivity Level (MSL) Rating Level-3-260C-168HRMIN VI TA Input voltage Operating free-air temperature 4.5 40 MAX 14 85 UNIT V °C
PTH08000W (Suffix AH, AS, and AZ) Weight Flammability Mechanical shock Mechanical vibration (1) Qualification limit. Meets UL 94 V-O Per Mil-STD-883D, Method 2002.3, 1 ms, ½ sine, mounted Mil-STD-883D, Method 20 Gat 25°C free-air temperature, IO = IOmax, 100 µF (unless otherwise noted)
PARAMETER IO VI Output current Input voltage range Set-point voltage tolerance Temperature variation VO Line regulation Load regulation Total output voltage variation V(ADJ) Output Voltage Adjust Range TEST CONDITIONS = 85°C, natural convection airflow Over IO range TA 85°C Over VI range Over IO range Includes set-point, line, load, TA 85°C Over IO range RSET 5 V RSET 3.3 V RSET 2.5 V Efficiency 2 A RSET 2 V RSET 1.8 V RSET 1.5 V RSET 1.2 V Output voltage ripple Overcurrent threshold 20-MHz bandwidth Reset, followed by autorecovery = 100 µF, 1 A/µs load step from to 100% IOmax Pin to GND CO CO(max) VI = increasing VI = decreasing Input high voltage (VIH) Inhibit control (pin 5) Input low voltage (VIL) Input low current (IIL) II (stby) fS Input standby current Switching frequency External input capacitance Pins 5 and 2 connected Over VI and IO ranges Electrolytic type (CI) Ceramic type (CO) External output capacitance Nonceramic type (CO) Equivalent series resistance (nonceramic) MTBF Calculated reliability Per Telcordia SR-332, 50% stress, = 40°C, ground benign 10Track input current (pin 2) Track slew rate capability Undervoltage lockout
The minimum input voltage V or (VO 1.1) V, whichever is greater. The set-point voltage tolerance is affected by the tolerance and stability of RSET. The stated limit is unconditionally met if RSET has a tolerance of 1% with 100 ppm/°C or better temperature stability. This control pin has an internal pullup to the input voltage VI. it is left open-circuit, the module operates when input power is applied. A small, low-leakage 100 nA) metal-oxide semiconductor field effect transistor (MOSFET) is recommended for control. See the Application Information for further guidance. An external 100-µF electrolytic capacitor is required across the input (VI and GND) for proper operation. Locate the capacitor close to the module. An external output capacitor is not required for proper operation. Adding µF of distributed capacitance at the load improves the transient response. This is the calculated maximum capacitance. The minimum ESR limitation often results in a lower value. See the capacitor application information for further guidance. This is the minimum ESR for all the electrolytic (nonceramic) capacitance. Use m as the minimum when calculating the total equivalent series resistance (ESR) using the maximum ESR values specified by the capacitor manufacturer.
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