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LM5021MM-2 Datasheet(PDF) 3 Page - Texas Instruments |
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LM5021MM-2 Datasheet(HTML) 3 Page - Texas Instruments |
3 / 23 page LM5021 www.ti.com SNVS359D – MAY 2005 – REVISED MARCH 2013 Absolute Maximum Ratings (1) (2) VIN to GND -0.3V to 30V VIN Clamp Continuous Current 5mA CS to GND -0.3V to 1.25V RT to GND -0.3V to 5.5V All other pins to GND -0.3V to 7.0V ESD Rating (3) Human Body Model 2kV Storage Temperature -65°C to +150°C Operating Junction Temperature +150°C (1) Absolute Maximum Ratings are limits beyond which damage to the device may occur. Operating Ratings are conditions under which operation of the device is intended to be functional. For specifications and test conditions, see the Electrical Characteristics. (2) If Military/Aerospace specified devices are required, please contact the Texas Instruments Sales Office/ Distributors for availability and specifications. (3) The human body model is a 100 pF capacitor discharged through a 1.5k Ω resistor into each pin. Operating Ratings (1) VIN Voltage (2) 8V to 30V Junction Temperature -40°C to +125°C (1) Absolute Maximum Ratings are limits beyond which damage to the device may occur. Operating Ratings are conditions under which operation of the device is intended to be functional. For specifications and test conditions, see the Electrical Characteristics. (2) After initial turn-on at VIN = 20V. Electrical Characteristics (1) Specifications in standard type face are for TJ= +25°C and those in boldface type apply over the full Operating Junction Temperature Range. Unless otherwise specified: VIN = 15V, RT = 44.2KΩ. Symbol Parameter Conditions Min Typ Max Unit STARTUP CIRCUIT Start Up Current Before VCC Enable 18 25 µA VCC Regulator enable threshold 17 20 23 V VCC Regulator disable threshold 7.25 V VIN ESD Clamp voltage I = 5mA 30 36 40 V IVIN Operating supply current COMP = 0VDC 2.5 3.75 mA VCC SUPPLY Controller enable threshold 6.5 7 7.5 V Controller disable threshold 5.3 5.8 6.3 V VCC regulated output No External Load 8 8.5 9 V VCC dropout voltage (VIN - VCC) I = 5 mA 1.7 V VCC regulator current limit VCC = 7.5V (2) 15 22 mA SKIP CYCLE MODE COMPARATOR Skip Cycle mode enable threshold ⅓ [COMP - 1.25V] 75 125 175 mV Skip Cycle mode hysteresis 5 mV CURRENT LIMIT CS limit to OUT delay CS stepped from 0 to 35 ns 0.6V, time to OUT transition low, Cload = 0. CS limit threshold 0.45 0.5 0.55 V Leading Edge Blanking time 90 ns CS blanking sinking impedance 35 55 Ω (1) Min and Max limits are 100% production tested at 25°C. Limits over the operating temperature range are specified through correlation using Statistical Quality Control (SQC) methods. Limits are used to calculate Average Outgoing Quality Level (AOQL). (2) Device thermal limitations may limit usable range. Copyright © 2005–2013, Texas Instruments Incorporated Submit Documentation Feedback 3 Product Folder Links: LM5021 |
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