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TPS40060 Datasheet(PDF) 3 Page - Texas Instruments |
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TPS40060 Datasheet(HTML) 3 Page - Texas Instruments |
3 / 39 page TPS40060 TPS40061 www.ti.com SLUS543F – DECEMBER 2002 – REVISED JUNE 2013 ELECTRICAL CHARACTERISTICS TA = –40°C to 85°C, VIN = 24 Vdc, RT = 165 kΩ, IKFF = 113 µA, fSW = 300 kHz, all parameters at zero power dissipation (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT INPUT SUPPLY VIN Input voltage range, VIN 10 55 V OPERATING CURRENT IDD Quiescent current Output drivers not switching 1.5 2.5 mA 5-V REFERENCE VBP5 Input voltage 4.5 5.0 5.5 V OSCILLATOR/RAMP GENERATOR(1) fOSC Frequency 270 300 330 kHz VRAMP PWM ramp voltage (2) 2 VIH High-level input voltage, SYNC 2 V VIL Low-level input voltage, SYNC 0.8 ISYNC Input current, SYNC 5 10 µA Pulse width, SYNC Pulse amplitude = 5 V 50 ns VRT RT voltage 2.32 2.50 2.68 V Maximum duty cycle VFB = 0 V, 100 kHz ≤ fSW≤ 1 MHz 85% 98% Minimum duty cycle VFB ≥ 0.75 V 0% VKFF Feed-forward voltage 3.35 3.50 3.65 V IKFF Feed-forward current operating range(2) 20 1100 µA SS/SD (SOFT START) ISS Soft-start source current 1.5 2.3 2.9 µA VSS Soft-start clamp voltage 3.1 3.7 4.0 V tDSCH Discharge time CSS = 220 pF 1.6 2.2 2.9 µs tSS Soft-start time CSS = 220 pF, 0 V ≤ VSS ≤ 1.6 V 120 155 235 SS/SD (SHUTDOWN) VSD Shutdown threshold voltage 90 130 160 VEN Device action threshold voltage 170 210 260 mV Hysteresis 80 10-V REFERENCE VBP10 Input voltage 9.0 9.7 10.7 V ERROR AMPLIFIER TA = 25°C 0.698 0.700 0.704 VFB Feedback regulation voltage 0°C ≤ TA ≤ 85°C 0.690 0.700 0.707 V 0.690 0.700 0.715 GBW Gain bandwidth 3 5 MHz AVOL Open loop gain 60 80 dB IOH High-level output source current VCOMP = 2.0 V, VFB = 0 V 1.5 4.0 mA IOL Low-level output sink current VCOMP = 2.0 V, VFB = 1 V 2.5 4.0 IBIAS Input bias current VFB = 0.7 V 100 300 nA VOH High-level output voltage IOH = 0.5 mA, VFB = 0 V 3.25 3.45 3.60 V VOL Low-level output voltage IOL = 0.5 mA, VFB = 1 V 0.050 0.215 0.350 (1) KFF current (IKFF) increases with SYNC frequency (fSYNC) and decreases with maximum duty cycle (DMAX). (2) Ensured by design. Not production tested. Copyright © 2002–2013, Texas Instruments Incorporated Submit Documentation Feedback 3 Product Folder Links: TPS40060 TPS40061 |
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