поискавой системы для электроныых деталей |
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TPS745-Q1 датащи(PDF) 5 Page - Texas Instruments |
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TPS745-Q1 датащи(HTML) 5 Page - Texas Instruments |
5 / 45 page 5 TPS745-Q1 www.ti.com SBVS355A – JUNE 2019 – REVISED OCTOBER 2019 Product Folder Links: TPS745-Q1 Submit Documentation Feedback Copyright © 2019, Texas Instruments Incorporated (1) For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application report. (2) Preview package. 6.4 Thermal Information THERMAL METRIC(1) TPS745-Q1 UNIT DRV (WSON) DRB (WSON)(2) 6 PINS 8 PINS RθJA Junction-to-ambient thermal resistance 80.3 62.0 °C/W RθJC(top) Junction-to-case (top) thermal resistance 98.7 73.1 °C/W RθJB Junction-to-board thermal resistance 44.8 35.1 °C/W ψJT Junction-to-top characterization parameter 6.1 6.3 °C/W ψJB Junction-to-board characterization parameter 45.0 35.1 °C/W RθJC(bot) Junction-to-case (bottom) thermal resistance 20.8 18.2 °C/W (1) When the device is connected to external feedback resistors at the FB pin, external resistor tolerances are not included. (2) VIN = 1.5 V for VOUT < 1.0 V. (3) Dropout is not tested for nominal output voltages below 0.65 V since the input voltage may be below UVLO. 6.5 Electrical Characteristics at operating temperature range (TJ = –40°C to +150°C), VIN = VOUT(NOM) + 0.5 V or 1.5 V (whichever is greater), IOUT = 1 mA, VEN = VIN, and CIN = COUT = 1 μF, unless otherwise noted. All typical values are at TJ = 25°C. PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VFB Feedback voltage Adjustable only 0.55 V Output accuracy(1) TJ = 25°C –0.85% 0.85% -40°C ≤ TJ ≤ 85°C –1.00% 1.00% -40°C ≤ TJ ≤ 150°C –1.50% 1.50% Line regulation VOUT(NOM) + 0.5 V (2) ≤ V IN ≤ 6.0 V 2 7.5 mV Load regulation 0.1 mA ≤ IOUT ≤ 500 mA, VIN ≥ 2.0 V 0.030 V/A IGND Ground current IOUT = 0 mA TJ = 25°C 25 32 µA -40°C ≤ TJ ≤ 150°C 25 36 ISHDN Shutdown current VEN ≤ 0.3 V, 1.5 V ≤ VIN ≤ 6.0 V -40°C ≤ TJ ≤ 125°C 0.1 1 µA -40°C ≤ TJ ≤ 150°C 0.1 1.55 IFB Feedback Pin Current Adjustable only 0.01 0.1 µA ICL Output current limit VOUT(NOM) < 1.0 V, VOUT = VOUT(NOM) - 0.2 V, VIN = 2.0 V 515 720 865 mA VOUT(NOM) ≥ 1.0 V, VOUT = VOUT(NOM) x 0.85, VIN = VOUT(NOM) + 1.0 V ISC Short-circuit current limit VOUT = 0 V VOUT(NOM) < 1.0 V, VIN = 2.0 V 350 400 mA VOUT(NOM) ≥ 1.0 V, VIN = VOUT(NOM) + 1.0 V VDO Dropout voltage IOUT = 500 mA, VOUT = 0.95 × VOUT(NOM) 0.65 V ≤ VOUT < 0.8 V (3) 720 910 mV 0.8 V ≤ VOUT < 1.0 V 585 780 1.0 V ≤ VOUT < 1.2 V 420 600 1.2 V ≤ VOUT < 1.5 V 285 430 1.5 V ≤ VOUT < 1.8 V 180 265 1.8 V ≤ VOUT < 2.5 V 140 215 2.5 V ≤ VOUT < 3.3 V 105 170 3.3 V ≤ VOUT < 5.5 V 95 160 PSRR Power-supply rejection ratio VOUT = 1.8 V, VIN = 2.8 V, IOUT = 500 mA, COUT = 2.2 µF f = 1 kHz 57 dB f = 100 kHz 42 f = 1 MHz 35 VN Output noise voltage BW = 10 Hz to 100 kHz, VOUT = 0.9 V, VIN = 1.9 V 53 µVRMS VUVLO Undervoltage lockout VIN falling 1.17 1.30 1.42 V VIN rising 1.21 1.34 1.47 |
Аналогичный номер детали - TPS745-Q1_V06 |
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Аналогичное описание - TPS745-Q1_V06 |
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