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UCC28C40-Q1 Datasheet(PDF) 4 Page - Texas Instruments |
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UCC28C40-Q1 Datasheet(HTML) 4 Page - Texas Instruments |
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4 / 46 page  4 UCC28C40-Q1, UCC28C41-Q1, UCC28C42-Q1 UCC28C43-Q1, UCC28C44-Q1, UCC28C45-Q1 SLUSA12B – DECEMBER 2009 – REVISED OCTOBER 2017 www.ti.com Product Folder Links: UCC28C40-Q1 UCC28C41-Q1 UCC28C42-Q1 UCC28C43-Q1 UCC28C44-Q1 UCC28C45-Q1 Submit Documentation Feedback Copyright © 2009–2017, Texas Instruments Incorporated Pin Functions (continued) PIN I/O DESCRIPTION NAME NO. VREF 8 O 5-V reference voltage. VREF is used to provide charging current to the oscillator timing capacitor through the timing resistor. It is important for reference stability that VREF is bypassed to GND with a ceramic capacitor connected as close to the pin as possible. A minimum value of 0.1 µF ceramic is required. Additional VREF bypassing is required for external loads on VREF. (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 voltages are with respect to GND pin. Currents are positive into and negative out of the specified terminals. 7 Specifications 7.1 Absolute Maximum Ratings over operating free-air temperature range (unless otherwise noted) (1) (2) MIN MAX UNIT Input voltage VDD 20 V Input current IVDD 30 mA Output drive current (peak) ±1 A Output energy (capacitive load), EOUT 5 µJ Analog input voltage COMP, CS, FB, RT/CT –0.3 6.3 V Output driver voltage OUT –0.3 20 Reference voltage VREF 7 Error amplifier output sink current COMP 10 mA Total power dissipation at TA = 25°C D package 50 °C/W Lead temperature (soldering, 10 s), TLEAD 300 °C Operating junction temperature, TJ –40 150 °C 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. 7.2 ESD Ratings VALUE UNIT V(ESD) Electrostatic discharge Human-body model (HBM), per AEC Q100-002(1) ±2000 V Charged-device model (CDM), per AEC Q100-011 ±750 (1) TI recommends against operating the device under conditions beyond those specified in this table for extended periods of time. 7.3 Recommended Operating Conditions over operating free-air temperature range (unless otherwise noted) MIN MAX UNIT VVDD Input voltage 18 V VOUT Output driver voltage 18 V IOUT Average output driver current(1) 200 mA IOUT(VREF) Reference output current(1) –20 mA TJ Operating junction temperature(1) UCC28C4x-Q1 –40 125 °C |
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