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Zakładka z wyszukiwarką danych komponentów |
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Zakładka z wyszukiwarką danych komponentów |
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LM2795 Arkusz danych(PDF) 3 Page - Texas Instruments |
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LM2795 Arkusz danych(HTML) 3 Page - Texas Instruments |
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3 / 24 page  LM2794, LM2795 www.ti.com SNVS168L – JANUARY 2002 – REVISED MAY 2013 Absolute Maximum Ratings (1) (2) VIN −0.5 to 6.2V max SD −0.5 to (VIN+0.3V) w/ 6.2V max BRGT −0.5 to (VIN+0.3V) w/ 6.2V max Continuous Power Dissipation (3) Internally Limited TJMAX (3) 135°C θJA (3) (4) 125°C/W Storge Temperature −65°C to +150°C Lead Temp. (Soldering, 5 sec.) 260°C ESD Rating (5) Human Body Model 2kV Machine Model 200V (1) Absolute maximum ratings indicate limits beyond which damage to the device may occur. Electrical specifications do not apply when operating the device beyond its rated operating conditions. (2) Military/Aerospace specified devices are required, please contact the Texas Instruments Sales Office/ Distributors for availability and specifications. (3) Internal thermal shutdown circuitry protects the device from permanent damage. Thermal shutdown engages at TJ=150°C (typ.) and disengages at TJ=140°C (typ.). D1, D2, D3 and D4 may be shorted to GND without damage. POUT may be shorted to GND for 1sec without damage. (4) The value of θJA is based on a two layer evaluation board with a dimension of 2in. x1.5in. (5) In the test circuit, all capacitors are 1.0µF, 0.3 Ω maximum ESR capacitors. Capacitors with higher ESR will increase output resistance, reduce output voltage and efficiency. Operating Conditions Input Voltage (VIN) 2.7V to 5.5V Ambient Temperature (TA) −30°C to +85°C Junction Temperature (TJ) −30°C to +100°C Electrical Characteristics Limits in standard typeface are for TJ = 25°C and limits in boldface type apply over the full Operating Junction Temperature Range ( −30°C ≤ TJ ≤ +100°C). Unless otherwise specified, C1 = C2 = CIN = CHOLD = 1 µF, VIN = 3.6V, BRGT pin = 0V; RSET =124Ω ; LM2794:VSD = VIN (LM2795: VSD = 0V). Symbol Parameter Conditions Min Typ Max Units IDX Available Current at Output Dx 3.0V ≤ VIN ≤ 5.5V 15 16.8 mA VDX ≤ 3.8V BRGT = 50mV 2.7V ≤ VIN ≤ 3.0V 10 VDX ≤ 3.6V mA BRGT = 0V VDX ≤ 3.8V 20 mA BRGT = 200mV VDX Available Voltage at Output Dx 3.0V ≤ VIN ≤ 5.5V 3.8 V IDX ≤ 15mA BRGT = 50mV IDX Line Regulation of Dx Output 3.0V ≤ VIN ≤ 5.5V 14.18 15.25 16.78 mA Current VDX = 3.6V 3.0V ≤ VIN ≤ 4.4V 14.18 15.25 16.32 mA VDX = 3.6V IDX Load Regulation of Dx Output VIN = 3.6V 14.18 15.25 16.32 mA Current 3.0V ≤ VDX ≤ 3.8V ID-MATCH Current Matching Between Any VIN = 3.6V, VDX = 3.6V 0.5 % Two Outputs IQ Quiescent Supply Current 3.0V ≤ VIN ≤ 4.2V, Active, No Load 5.5 8.2 mA Current RSET = OPEN ISD Shutdown Supply Current 3.0V ≤ VIN ≤ 5.5V, Shutdown 2.3 5 µA Copyright © 2002–2013, Texas Instruments Incorporated Submit Documentation Feedback 3 Product Folder Links: LM2794 LM2795 |
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