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TPS40132RHBTG4 Datasheet(PDF) 4 Page - Texas Instruments |
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TPS40132RHBTG4 Datasheet(HTML) 4 Page - Texas Instruments |
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4 / 40 page  www.ti.com ELECTRICAL CHARACTERISTICS TPS40132 SLUS776A – DECEMBER 2007 – REVISED FEBRUARY 2008 TA = -40°C to 85°C, VIN = 5.0 V, VDD = 12.0 V, RRT = 64.9 kΩ, TJ = TA (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VIN5 INPUT SUPPLY VIN Operating voltage range, VIN5 4.5 5.0 5.8 V IIN Shutdown current, VIN5 EN/SYNC = GND 5 µA Operating current Outputs switching, No load 1.0 2.0 mA BP5 INPUT SUPPLY Operating voltage range 4.5 5.0 5.5 V IBP5 Operating current Outputs switching, no external FETs 3 5 mA Turn-on BP5 rising 3.90 4.25 4.45 V Turn-off hysteresis(1) 150 mV VDD INPUT SUPPLY 4.5 28 V BP8VBP8 Output Voltage Internal load < 1 mA, No external load 7.5 V OSCILLATOR/SYNCHRONIZATION RT = 64.9 kΩ 355 400 455 Phase frequency accuracy RT = 64.9 kΩ, 0°C ≤ TA ≤ 85°C 360 400 440 kHz Phase frequency set range(1) 100 1200 Synchronization frequency range(1) 800 9600 High level input voltage VBP5-0.5 Synchronization input threshold(1) V Low level input voltage 0.5 EN/SYNC Bandgap enable threshold Pulse width > 50 ns 0.8 1.0 1.5 V PWM switching enable(1) 3.2 VBP5 PWM Maximum duty cycle per channel(1) 87.5% Minimum duty cycle per channel(1) 0 VREF Voltage reference ILOAD = 100 µA, 0°C ≤ TA ≤ 85°C 600 mV ERROR AMPLIFIER Voltage feedback, trimmed VFB 0 °C ≤ T A ≤ 85°C 596 600 604 mV (including differential amplifier) CMRR Input common mode range(1) 0.0 0.67 2.0 mV Input bias current VFB = 0.6 V 55 200 nA Input offset voltage 0 V ISRC Output source current VCOMP = 1.1 V, VFB = 0.5 V 1 2 mA ISINK Output sink current VCOMP = 1.1 V, VFB =VBP5 1 2 VOH High-level output voltage ICOMP = -1 mA 2.5 2.9 V VOL low-level output voltage ICOMP = 1 mA 0.5 0.8 GBW Gain bandwidth(1) 3 5 MHz AVOL Open loop gain(1) 60 90 dB (1) Ensured by design. Not production tested. 4 Submit Documentation Feedback Copyright © 2007–2008, Texas Instruments Incorporated Product Folder Link(s) :TPS40132 |
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