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LMR14006 Datasheet(PDF) 2 Page - Texas Instruments |
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LMR14006 Datasheet(HTML) 2 Page - Texas Instruments |
2 / 20 page LMR14003, LMR14006 SNVSA10 – NOVEMBER 2013 www.ti.com ABSOLUTE MAXIMUM RATINGS (1) Description Value Unit VIN, /SHDN Unregulated inputs -0.3 to 45 V FB Sense voltage for error amplifiers -0.3 to 7 V SW Switch point for buck converter -0.3 to 40 V -2V for 30ns BOOT Bootstrap capacitor voltage -0.3 to 46 V ESD Electrostatic Discharge HBM 2 kV TS Storage Temperature Range -55 to 165 °C TJ Junction temperature range -40 to 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 guaranteed specifications and test conditions, see ELECTRICAL CHARACTERISTICS RECOMMENDED OPERATING CONDITIONS (1) Function Terminal Value Unit Buck Regulator VIN 4 to 40 V CB 4 to 46 V SW -1 to 40 V FB 0 to 5.5 V Control /SHDN 0 to 40 V Temperature Operating junction temperature -40 to 125 °C range, TJ (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 guaranteed specifications and test conditions, see ELECTRICAL CHARACTERISTICS ELECTRICAL CHARACTERISTICS VIN = /SHDN = 12V, TA = 25°C, unless otherwise specified. Parameter Conditions Min Typ Max Unit VIN (Input Power Supply) Operating input voltage 4 40 V Shutdown supply current EN = 0V 1 3 µA Undervoltage lockout thresholds Rising threshold 4 V Falling threshold 3 Device on : not switching Sleep mode, no load, VIN = 12V 28 µA Device on : not switching Fixed 5V version, VIN = 12V, 25°C 31 µA /SHDN AND UVLO Rising /SHDN Threshold Voltage 1.05 1.25 1.38 V Input current /SHDN = 2.3V –4.2 µA /SHDN = 0.9V –1 Hysteresis current –3 µA HIGH-SIDE MOSFET On-resistance VIN = 12V, CB to SW=5.8V 600 m Ω tON-min fsw = 2.1MHz 95 ns DMAX : Maximum duty cycle LMR14003/6 X 96 % LMR14003/6 Y 97 VFB : Feedback voltage 0.747 0.765 0.782 V CURRENT LIMIT Current limit threshold VIN = 12V, TJ = 25°C(LMR14003) 600 900 mA VIN = 12V, TJ = 25°C(LMR14006) 1200 1700 mA 2 Submit Documentation Feedback Copyright © 2013, Texas Instruments Incorporated Product Folder Links: LMR14003 LMR14006 |
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