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TPS61187RTJR Datasheet(PDF) 4 Page - Texas Instruments |
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TPS61187RTJR Datasheet(HTML) 4 Page - Texas Instruments |
4 / 25 page TPS61187 SLVSA85D – JUNE 2010 – REVISED FEBRUARY 2012 www.ti.com ELECTRICAL CHARACTERISTICS (continued) VIN = 12V, PWM/EN = high, IFB current = 20mA, IFB voltage = 500mV, TA = –40°C to 85°C, typical values are at TA = 25°C (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT OSCILLATOR fS Oscillator frequency RFSW = 499 kΩ 0.8 1.0 1.2 MHz Dmax Maximum duty cycle IFB = 0 94% OC, SC, OVP AND SS ILIM N-Channel MOSFET current limit D = Dmax 2.0 3.0 A VCLAMP_TH Ouput voltage clamp program threshold 1.90 1.95 2.00 V VOVP_IFB IFB overvoltage threshold Measured on the IFBx pin, IFB on 12 13.5 15 V FPO, FAULT VFPO_L FPO Logic low voltage I_SOURCE = 0.5 mA 0.4 V VFAULT_HIGH Fault high voltage Measured as VIN – VFAULT 0.1 V VFAULT_LOW Fault low voltage Measured as VIN – VFAULT , Sink, 10 µA 6 8 10 V IFAULT Maximum sink current VIN – VFAULT = 0 V 20 µA THERMAL SHUTDOWN Thermal shutdown threshold 150 Tshutdown °C Thermal shutdown hysteresis 15 4 Submit Documentation Feedback Copyright © 2010–2012, Texas Instruments Incorporated Product Folder Link(s): TPS61187 |
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