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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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TPS22949 датащи(PDF) 5 Page - Texas Instruments |
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TPS22949 датащи(HTML) 5 Page - Texas Instruments |
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5 / 28 page  TPS22949 TPS22949A www.ti.com SLVS908C – FEBRUARY 2009 – REVISED JANUARY 2010 ABSOLUTE MAXIMUM RATINGS (1) MIN MAX UNIT VI Input voltage VIN, EN1, EN2, V+ –0.3 6 V VOUTCL Current limiter output voltage VIN + 0.3 V TJ Operating junction temperature range –40 105 °C Tstg Storage temperature range –65 150 °C Human-Body Model 3.5 Electrostatic discharge protection (ESD) kV Charged-Device Model 1 (1) Stresses beyond those listed under absolute maximum ratings may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under Recommended Operating Conditions is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. DISSIPATION RATINGS DERATING FACTOR ABOVE BOARD PACKAGE R θJC R θJA TA = 25°C TA < 25°C TA = 70°C TA = 85°C High-K (JESD 51-7) YZP 13.79°C/W 101.92°C/W 98.1 mW/°C 784 mW 343 mW 196 mW High-K (JESD 51-5) DRG 56.6°C/W 52.44°C/W 19 mW/°C 1525 mW 667 mW 381 mW RECOMMENDED OPERATING CONDITIONS MIN MAX UNIT VIN Input voltage(1) 1.62 4.5 V VOUTCL Current limiter output voltage VIN V V+ Supply voltage 2.6 5.5 V CIN Input capacitor 1 μF TA Ambient free-air temperature –40 85 °C Control Inputs (EN1, EN2) VIH High-level input voltage 1.4 5.5 V VIL Low-level input voltage 0.4 V (1) See the Application Information section ELECTRICAL CHARACTERISTICS TA = –40°C to 85°C (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP(1) MAX UNIT EN1 and EN2 = V+ V+ = VOUT + 1.4 V or 2.5, whichever > 5.5 V, IGND Ground pin current 85 110 μA VOUTCL ≥ VOUTLDO + 0.5 V IOUT2 = 0 mA Ground pin current (current IGNDCL EN1 = V+ and EN2 = 0 40 75 μA limiter only) EN1 and EN2 = GND, VIN = V+ = 3.3 V 2 IGND(OFF) OFF-state ground pin current VOUTCL = Open, μA VIN = 3.6 V, V+ = 5.5 V 6 VOUTLDO = Open IEN2 Enable pin 2 current, enabled VEN2 = V+ =5.5 V, VIN = 4.5 V 1 μA IEN1 Enable pin 1 current, enabled VEN1 = V+ = 5.5 V, VIN = 4.5 V 1 μA TPS22949 122 Shutdown threshold (TA) TPS22949A 135 TPS22949 112 Thermal Return from shutdown °C shutdown TPS22949A 120 TPS22949 10 Hysteresis TPS22949A 10 (1) Typical values are at VIN = 3.3 V and TA = 25°C. Copyright © 2009–2010, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Link(s): TPS22949 TPS22949A |
Аналогичный номер детали - TPS22949 |
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Аналогичное описание - TPS22949 |
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