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LM2592HVS-3.3 데이터시트(PDF) 6 Page - Texas Instruments |
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LM2592HVS-3.3 데이터시트(HTML) 6 Page - Texas Instruments |
6 / 31 page 6 LM2592HV SNVS075E – MAY 2001 – REVISED MAY 2016 www.ti.com Product Folder Links: LM2592HV Submit Documentation Feedback Copyright © 2001–2016, Texas Instruments Incorporated (1) All limits ensured at room temperature (TJ = 25°C) unless otherwise specified. All room temperature limits are 100% production tested. All limits at temperature extremes are ensured via correlation using standard Statistical Quality Control (SQC) methods. All limits are used to calculate Average Outgoing Quality Level (AOQL). (2) Typical numbers are at 25°C and represent the most likely norm. (3) The switching frequency is reduced when the second stage current limit is activated. The amount of reduction is determined by the severity of current overload. (4) No diode, inductor or capacitor connected to output pin. (5) Feedback pin removed from output and connected to 0 V to force the output transistor switch ON. (6) Feedback pin removed from output and connected to 12 V for the 3.3-V, 5-V, and the ADJ. version to force the output transistor switch OFF. (7) VIN = 60 V. 7.8 Electrical Characteristics All Output Voltage Versions Specifications are for TJ = 25°C, VIN = 12V for the 3.3-V, 5-V, and adjustable version, and ILOAD = 500 mA unless otherwise specified. PARAMETER TEST CONDITIONS MIN(1) TYP(2) MAX(1) UNIT DEVICE PARAMETERS Ib Feedback bias current Adjustable Version Only, VFB = 1.3 V 10 50 nA over the full operating temperature range 100 fO Oscillator frequency See(3) 127 150 173 kHz over the full operating temperature range 110 173 VSAT Saturation voltage IOUT = 2 A (4) (5) 1.1 1.3 V over the full operating temperature range 1.4 DC Max duty cycle (ON) See(5)(6) 100% Min duty cycle (OFF) 0% ICLIM Switch current limit Peak Current(4)(5) 2.4 3 3.7 A over the full operating temperature range 2.3 4 IL Output leakage current Output = 0 V 5 50 μA Output = −1 V(4)(6)(7) 5 30 mA IQ Operating quiescent current SD/SS Pin Open(6) 5 10 mA ISTBY Standby quiescent current SD/SS pin = 0 V(7) 90 200 μA over the full operating temperature range 250 ON/OFF CONTROL – See Test Circuits VIH VIL ON /OFF pin logic input threshold voltage Low (Regulator ON) High (Regulator OFF) 1.3 V over the full operating temperature range 2 0.6 IH ON /OFF pin input current VLOGIC = 2.5 V (Regulator OFF) 5 15 μA IL VLOGIC = 0.5 V (Regulator ON) 0.02 5 μA |
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