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TPS62590-Q1 Datasheet(PDF) 5 Page - Texas Instruments |
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TPS62590-Q1 Datasheet(HTML) 5 Page - Texas Instruments |
5 / 28 page TPS62590-Q1 www.ti.com SLVSAO5B – DECEMBER 2010 – REVISED OCTOBER 2015 6.5 Electrical Characteristics Over full operating ambient temperature range, typical values are at TA = 25°C. Unless otherwise noted, specifications apply for condition VIN = EN = 3.6 V. External components CIN = 10 μF 0603, COUT = 10 μF 0603, L = 2.2 μH; see Parameter Measurement Information. PARAMETER TEST CONDITIONS MIN TYP MAX UNIT SUPPLY VI Input voltage range 2.5 6 V VIN 2.7 V to 6 V 1000 IO Output current(1) mA VIN 2.5 V to 2.7 V 600 IO = 0 mA, PFM mode enabled (MODE = GND) device not switching, 15 μA See (2) IQ Operating quiescent current IO = 0 mA, switching with no load (MODE = VIN) PWM mode, 3.8 mA VO = 1.8 V, VIN = 3 V ISD Shutdown current EN = GND 0.5 μA Falling 1.85 UVLO Undervoltage lockout threshold V Rising 1.95 ENABLE, MODE High-level input voltage, EN, VIH 2.5 V ≤ VIN ≤ 6 V 1 VIN V MODE Low-level input voltage, EN, VIL 2.5 V ≤ VIN ≤ 6 V 0 0.4 V MODE II Input bias current, EN, MODE EN, MODE = GND or VIN 0.01 1 μA POWER SWITCH High-side MOSFET on-resistance 250 rDS(on) VIN = VGS = 3.6 V, TA = 25°C m Ω Low-side MOSFET on-resistance 190 Forward current limit MOSFET ILIMF VIN = VGS = 3.6 V, TA = 25°C 1.19 1.4 1.78 A high-side and low-side Thermal shutdown Increasing junction temperature 140 TSD °C Thermal shutdown hysteresis Decreasing junction temperature 20 OSCILLATOR fSW Oscillator frequency 2.5 V ≤ VIN ≤ 6 V 2.25 MHz OUTPUT VO Adjustable output voltage range 0.75 VI V Vref Reference voltage 600 mV MODE = VIN, PWM mode, VFB(PWM) Feedback voltage –2.5% 0% 2.5% 2.5 V ≤ VIN ≤ 6 V, See (3) MODE = GND, device in PFM mode, VFB(PFM) Feedback voltage, PFM mode 1% 1% voltage positioning active, See (2) Load regulation –1 %/A Time from active EN to reach 95% of 500 tStart Up Start-up time μs VO tRamp VO ramp-up time Time to ramp from 5% to 95% of VO 250 μs VI = 3.6 V, VI = VO = VSW, EN = GND, Ilkg Leakage current into SW pin 0.1 1 μA See (4) (1) Not production tested. (2) In PFM mode, the internal reference voltage is set to typ. 1.01 × Vref . See Parameter Measurement Information. (3) For VIN = VO + 1 V (4) In fixed output-voltage versions, the internal resistor divider network is disconnected from the FB pin. Copyright © 2010–2015, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Links: TPS62590-Q1 |
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