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BLE18PS080SN1 Datasheet(PDF) 5 Page - Texas Instruments |
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BLE18PS080SN1 Datasheet(HTML) 5 Page - Texas Instruments |
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5 / 36 page  6.4 Thermal Information THERMAL METRIC(1) TPS6291x UNIT RPU 10-pin QFN JEDEC 51-7 PCB TPS6291xEVM-077 RθJA Junction-to-ambient thermal resistance 87.7 56.6 °C/W RθJC(top) Junction-to-case (top) thermal resistance 61.9 n/a (2) °C/W RθJB Junction-to-board thermal resistance 22.2 n/a (2) °C/W ΨJT Junction-to-top characterization parameter 1.9 1.3 °C/W ΨJB Junction-to-board characterization parameter 22.2 22.7 °C/W (1) For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application report. (2) Not applicable to an EVM 6.5 Electrical Characteristics Over recommended input voltage range, TJ = -40℃ to 150℃. Typical values are at Vin = 12V and TJ = 25℃ (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT SUPPLY IQ Quiescent current EN/SYNC = High, no load, device switching, fsw = 1 MHz 5 mA ISD Shutdown current EN/SYNC = GND, TJ = -40°C to 125°C 0.2 70 µA VUVLO Under voltage lockout VIN rising, TJ = -40°C to 125°C 2.85 2.92 3.0 V VUVLO Under voltage lockout VIN rising 3.04 V VHYS Under voltage lockout hysteresis 200 mV TJSD Thermal shutdown threshold TJ rising 170 °C Thermal shutdown hysteresis TJ falling 20 °C CONTROL and INTERFACE VH_EN High-level input-threshold voltage at EN/ SYNC EN/SYNC rising 0.97 1.01 1.04 V VL_EN Low-level input-threshold voltage at EN/ SYNC EN/SYNC falling 0.87 0.9 0.93 V VH_SYNC High-level input-threshold clock signal on EN/SYNC EN/SYNC = clock 1.1 V VL_SYNC Low-level input-threshold clock signal on EN/SYNC EN/SYNC = clock 0.4 V IEN,LKG Input leakage current into EN/SYNC EN/SYNC = GND or VIN, -40 ℃ ≤ TJ ≤ 125 ℃ 1 100 nA RPD Pull-down resistor on EN/SYNC EN/SYNC = Low 330 500 kΩ tdelay Enable delay time Time from EN/SYNC high to device starts switching, RS-CONF = 80.6kΩ 1 ms INR/SS NR/SS source current 67.5 75 82.5 µA RS-CONF S-CONF resistor step range accuracy RS-CONF tolerance for all settings according to S-CONF Table -4 +4 % VPG Power good threshold VFB rising, referenced to VFB nominal 93 95 98 % VPG Power good threshold VFB falling, referenced to VFB nominal 88 90 93 % VPG,OL Low-level output voltage at PG pin ISINK = 1 mA 0.4 V IPG,LKG Input leakage current into PG pin VPG = 5 V, -40℃ ≤ TJ ≤ 125℃ 1 500 nA tPG Power good deglitch time VFB falling 8 µs OUTPUT ton Minimum on-time VIN ≥ 5V, Iout = 1A 35 70 ns www.ti.com TPS62912, TPS62913 SLVSFP4 – AUGUST 2020 Copyright © 2020 Texas Instruments Incorporated Submit Document Feedback 5 Product Folder Links: TPS62912 TPS62913 |
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