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TLV751 bảng dữ liệu(PDF) 5 Page - Texas Instruments |
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TLV751 bảng dữ liệu(HTML) 5 Page - Texas Instruments |
5 / 31 page 5 TLV751 www.ti.com SBVS385B – DECEMBER 2019 – REVISED APRIL 2020 Product Folder Links: TLV751 Submit Documentation Feedback Copyright © 2019–2020, Texas Instruments Incorporated (1) For more information about traditional and new thermalmetrics, see the Semiconductor and ICPackage Thermal Metrics application report. 6.4 Thermal Information THERMAL METRIC(1) TLV751P UNIT DSQ (WSON) 10 PINS RθJA Junction-to-ambient thermal resistance 74.6 °C/W RθJC(top) Junction-to-case (top) thermal resistance 90.5 °C/W RθJB Junction-to-board thermal resistance 39.7 °C/W ψJT Junction-to-top characterization parameter 3.8 °C/W ψJB Junction-to-board characterization parameter 39.7 °C/W RθJC(bot) Junction-to-case (bottom) thermal resistance 17 °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) VIN = 2.0 V for VOUT < 1.5 V. 6.5 Electrical Characteristics At operating temperature range (TJ = –40°C to +125°C),VIN = VOUT(NOM) + 0.5 V or 1.5 V (whichever isgreater), IOUT = 1 mA, VEN =VIN, and CIN = COUT = 1 uF(unless otherwise noted); all typical values are at TJ = 25°C PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VFB Feedback voltage TJ = 25°C 0.55 V Output accuracy(1) TJ = 25°C –0.5% 0.5% –40°C ≤ TJ ≤ +125°C; VOUT(NOM) + 0.5 V (2) ≤ V IN ≤ 6.0 V –1.5% 1.5% Line regulation VOUT(NOM) + 0.5 V (2) ≤ V IN ≤ 6.0 V 2 mV Load regulation 0.1 mA ≤ IOUT ≤ 500 mA, VIN = VOUT + 0.5 V (3) 0.030 V/A IGND Ground current IOUT = 0 mA TJ = 25°C 10 25 31 µA –40°C ≤ TJ ≤ +125°C 35 µA ISHDN Shutdown current VEN ≤ 0.3 V, 1.5 V ≤ VIN ≤ 6.0 V 0.1 1 µA IFB Feedback pin current 0.01 0.1 µA ICL Output current limit VIN = 2 V with VOUT < 1 V; otherwise VIN = VOUT(NOM) + 1.0 V VOUT = VOUT(NOM) – 0.2 V, VOUT < 1.5 V 530 720 865 mA VOUT = 0.9 V × VOUT(NOM), VOUT ≥ 1.5 V 530 720 865 ISC Short-circuit current limit VIN = 2 V with VOUT < 1 V; otherwise VIN = VOUT(NOM) + 1.0 V VOUT = 0 V 310 400 mA VDO Dropout voltage IOUT = 500 mA, –40°C ≤ TJ ≤ +125°C, VOUT = 0.95 × VOUT(NOM) 0.65 V ≤ VOUT < 0.8 V 720 880 mV 0.8 V ≤ VOUT < 1.0 V 585 750 1.0 V ≤ VOUT < 1.2 V 420 570 1.2 V ≤ VOUT < 1.5 V 285 400 1.5 V ≤ VOUT < 1.8 V 180 240 1.8 V ≤ VOUT < 2.5 V 140 190 2.5 V ≤ VOUT < 3.3 V 102 140 3.3 V ≤ VOUT ≤ 5.5 V 95 130 PSRR Power-supply rejection ratio VIN = VOUT(NOM) + 1.0 V, IOUT = 50 mA f = 1 kHz 50 dB f = 100 kHz 45 f = 1 MHz 30 Vn Output noise voltage BW = 10 Hz to 100 kHz, VOUT = 0.9 V 53 µVRMS VUVLO Undervoltage lockout VIN rising 1.21 1.33 1.47 V VIN falling 1.17 1.29 1.42 V VUVLO, HYST Undervoltage lockout hysteresis VIN hysteresis 45 mV tSTR Startup time From EN low-to-high transition to VOUT = VOUT(NOM) × 95% 500 700 µs VEN(HI) EN pin high voltage 1.0 V VEN(LO) EN pin low voltage 0.3 V IEN Enable pin current VIN = EN = 6.0 V 10 nA |
Số phần tương tự - TLV751_V01 |
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Mô tả tương tự - TLV751_V01 |
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