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TPS82671SIPR Datasheet(PDF) 3 Page - Texas Instruments |
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TPS82671SIPR Datasheet(HTML) 3 Page - Texas Instruments |
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3 / 27 page  TPS82671 TPS82675 www.ti.com SLVSAI0 – OCTOBER 2010 THERMAL INFORMATION TPS8267xSIP THERMAL METRIC(1)(2) SIP UNITS 8 PINS qJA Junction-to-ambient (top) thermal resistance 125 Junction-to-ambient (bottom) thermal resistance 70 qJCtop Junction-to-case (top) thermal resistance qJB Junction-to-board thermal resistance °C/W yJT Junction-to-top characterization parameter yJB Junction-to-board characterization parameter qJCbot Junction-to-case (bottom) thermal resistance (1) For more information about traditional and new thermal metrics, see the IC Package Thermal Metrics application report, SPRA953. (2) Thermal data have been measured using TI's 4-layer evaluation board. RECOMMENDED OPERATING CONDITIONS MIN NOM MAX UNIT VIN Input voltage range 2.3 4.8(1) V IO Output current range 0 600 mA Additional output capacitance (PFM/PWM operation) TPS82671 to TPS82675 0 2.5 µF TPS82677 0 3.5 µF Additional output capacitance (PWM operation) 0 7 µF TA Ambient temperature –40 +85 °C TJ Operating junction temperature –40 +125 °C (1) Operation above 4.8V input voltage for extended periods may affect device reliability. ELECTRICAL CHARACTERISTICS Minimum and maximum values are at VIN = 2.3V to 5.5V, VOUT = 1.8V, EN = 1.8V, AUTO mode and TA = –40°C to 85°C; Circuit of Parameter Measurement Information section (unless otherwise noted). Typical values are at VIN = 3.6V, VOUT = 1.8V, EN = 1.8V, AUTO mode and TA = 25°C (unless otherwise noted). PARAMETER TEST CONDITIONS MIN TYP MAX UNIT SUPPLY CURRENT IO = 0mA. Device not switching 17 40 mA IQ Operating quiescent current IO = 0mA. PWM operation 5.8 mA ISD Shutdown current EN = GND 0.5 5 mA UVLO Undervoltage lockout threshold 2.05 2.1 V PROTECTION Thermal shutdown 140 °C Thermal shutdown hysteresis 10 °C ILIM Peak Input Current Limit 1100 mA Input current limit under short-circuit ISC VO shorted to ground 13.5 mA conditions ENABLE, MODE VIH High-level input voltage 1.0 V VIL Low-level input voltage 0.4 V Ilkg Input leakage current Input connected to GND or VIN 0.01 1.5 mA OSCILLATOR fSW Oscillator frequency IO = 0mA. PWM operation 4.9 5.45 6.0 MHz Copyright © 2010, Texas Instruments Incorporated Submit Documentation Feedback 3 Product Folder Link(s): TPS82671 TPS82675 |
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