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TPS7B4254QDDARQ1 Datasheet(PDF) 4 Page - Texas Instruments |
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TPS7B4254QDDARQ1 Datasheet(HTML) 4 Page - Texas Instruments |
4 / 26 page 4 TPS7B4254-Q1 SLVSDI1B – APRIL 2016 – REVISED JUNE 2016 www.ti.com Product Folder Links: TPS7B4254-Q1 Submit Documentation Feedback Copyright © 2016, Texas Instruments Incorporated (1) Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings only, which do not imply functional operation of the device at these or any other conditions beyond those indicated under Recommended Operating Conditions. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. (2) All voltage values are with respect to the GND pin. (3) An internal diode is connected between the OUT and GND pins with 600-mA dc current capability for inductive clamp protection. (4) When the (ADJ – IN) voltage is higher than 18 V, the (ADJ – OUT) voltage should be maintained lower than 18 V, otherwise the device can be damaged. 6 Specifications 6.1 Absolute Maximum Ratings over operating ambient temperature range (unless otherwise noted) (1) MIN MAX UNIT Unregulated input voltage IN(2) –40 45 V Regulated output voltage OUT(2)(3) –1 45 V Voltage difference between the input and output IN – OUT –40 45 V Reference voltage ADJ(2) –0.3 45 V Feedback input voltage for the tracker FB(2) –1 45 V Reference voltage minus the input voltage ADJ – IN(4) 18 V Operating junction temperature, TJ –40 150 ºC Storage temperature, Tstg –65 150 °C (1) AEC Q100-002 indicates that HBM stressing shall be in accordance with the ANSI/ESDA/JEDEC JS-001 specification. 6.2 ESD Ratings VALUE UNIT V(ESD) Electrostatic discharge Human-body model (HBM), per AEC Q100-002(1) All pins except NC ±4000 V NC pins ±2000 Charged-device model (CDM), per AEC Q100-011 ±1000 (1) Within the functional range the device operates as described in the circuit description. The electrical characteristics are specified within the conditions given in the related Electrical Characteristics table. (2) VIN > VADJ + VDROPOUT (3) The minimum output capacitance requirement is applicable for a worst-case capacitance tolerance of 30%. When a resistor divider is connected between the OUT and FB pins (the output voltage is higher than reference voltage), a 47-nF feedforward capacitor is required to be connected between the OUT and FB pins for loop stability, and the ESR range of the output capacitor is required to be from 0.001 to 10 Ω. (4) Relevant ESR value at f = 10 kHz 6.3 Recommended Operating Conditions over operating ambient temperature range (unless otherwise noted) (1) MIN MAX UNIT VIN Unregulated input voltage(2) 4 40 V VADJ Reference input voltage 2 18 V VFB Feedback input voltage for the tracker 2 18 V VOUT Regulated output voltage 2 40 V COUT Output capacitor requirements(3) 10 500 µF Output ESR requirements(4) 0.001 20 Ω TJ Operating junction temperature –40 150 ºC |
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