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Datenblatt-Suchmaschine für elektronische Bauteile |
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Datenblatt-Suchmaschine für elektronische Bauteile |
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LM34922 Datenblatt(PDF) 3 Page - Texas Instruments |
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LM34922 Datenblatt(HTML) 3 Page - Texas Instruments |
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3 / 19 page  LM34922 www.ti.com SNVS813A – JUNE 2012 – REVISED MARCH 2013 Absolute Maximum Ratings (1) (2) (3) VIN to SGND (TJ = 25°C) 30V BST to SGND 37V SW to SGND (Steady State) -1.5V to 30V BST to SW -0.3V to 7V CS to CSG -0.3V to 0.3V CSG to SGND -0.3V to 0.3V PGD to SGND -0.3V to 7V SS to SGND -0.3V to 3V RT to SGND -0.3V to 1V FB to SGND -0.3V to 7V ESD Rating (4) Human Body Model 2kV Storage Temperature Range -65°C to +150°C For soldering specs see: SNOA549C 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) Current flow out of a pin is indicated as a negative number. (4) The human body model is a 100pF capacitor discharged through a 1.5k Ω resistor into each pin. Operating Ratings (1) VIN Voltage 6.0V to 28V 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. Electrical Charateristics Specifications with standard type are for TJ = 25°C only; limits in boldface type apply over the full Operating Junction Temperature (TJ) range. Minimum and Maximum limits are specified through test, design, or statistical correlation. Typical values represent the most likely parametric norm at TJ = 25°C, and are provided for reference purposes only. Unless otherwise stated the following conditions apply: VIN = 12V, RT = 50kΩ. Symbol Parameter Conditions Min Typ Max Units Input (VIN Pin) IIN Input operating current Non-switching, FB = 3V 1200 1600 µA UVLOVIN VIN under-voltage lock-out threshold VIN Increasing 4.6 5.3 5.9 V VIN under-voltage lock-out threshold 200 mV hysteresis Switch Characteristics RDS(ON) Buck Switch RDS(ON) ITEST = 200mA 0.3 0.6 Ω UVLOGD Gate Drive UVLO BST-SW 2.4 3.4 4.4 V UVLOGD Hysteresis 350 mV Pre-charge switch voltage ITEST = 10mA into SW pin 1.4 V Pre-charge switch on-time 120 ns Soft-Start Pin VSS Pull-up voltage 2.51 V ISS Internal current source 10 µA VSS-SH Shutdown Threshold 70 140 mV Current Limit Copyright © 2012–2013, Texas Instruments Incorporated Submit Documentation Feedback 3 Product Folder Links: LM34922 |
Ähnliche Teilenummer - LM34922_15 |
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Ähnliche Beschreibung - LM34922_15 |
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