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LM2595SX-ADJ Datasheet(PDF) 5 Page - Texas Instruments |
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LM2595SX-ADJ Datasheet(HTML) 5 Page - Texas Instruments |
5 / 41 page LM2595 www.ti.com SNVS122B – MAY 1999 – REVISED APRIL 2013 All Output Voltage Versions Electrical Characteristics (continued) Specifications with standard type face are for TJ = 25°C, and those with boldface type apply over full Operating Temperature Range. Unless otherwise specified, VIN = 12V for the 3.3V, 5V, and Adjustable version and VIN = 24V for the 12V version. ILOAD = 200 mA. Symbol Parameter Conditions LM2595-XX Units (Limits) Typ Limit (1) (2) ICL Current Limit Peak Current (4) (5) 1.5 A 1.2/1.15 A(min) 2.4/2.6 A(max) IL Output Leakage Current Output = 0V (4) (6) and (7) 50 μA(max) Output = −1V 2 mA 15 mA(max) IQ Quiescent Current See (6) 5 mA 10 mA(max) ISTBY Standby Quiescent ON/OFF pin = 5V (OFF) (7) 85 μA Current 200/250 μA(max) θJC Thermal Resistance TO-220 or TO-263 Package, Junction to Case 2 °C/W θJA TO-220 Package, Junction to Ambient (8) 50 °C/W θJA TO-263 Package, Junction to Ambient (9) 50 °C/W θJA TO-263 Package, Junction to Ambient (10) 30 °C/W θJA TO-263 Package, Junction to Ambient (11) 20 °C/W ON/OFF CONTROL Test Circuit Figure 21 ON /OFF Pin Logic Input 1.3 V VIH Threshold Voltage Low (Regulator ON) 0.6 V(max) VIL High (Regulator OFF) 2.0 V(min) IH ON/OFF Pin VLOGIC = 2.5V (Regulator OFF) 5 μA Input Current 15 μA(max) IL VLOGIC = 0.5V (Regulator ON) 0.02 μA 5 μA(max) (7) VIN = 40V. (8) Junction to ambient thermal resistance (no external heat sink) for the TO-220 package mounted vertically, with the leads soldered to a printed circuit board with (1 oz.) copper area of approximately 1 in2. (9) Junction to ambient thermal resistance with the TO-263 package tab soldered to a single printed circuit board with 0.5 in2 of (1 oz.) copper area. (10) Junction to ambient thermal resistance with the TO-263 package tab soldered to a single sided printed circuit board with 2.5 in2 of (1 oz.) copper area. (11) Junction to ambient thermal resistance with the TO-263 package tab soldered to a double sided printed circuit board with 3 in2 of (1 oz.) copper area on the LM2595S side of the board, and approximately 16 in2 of copper on the other side of the p-c board. See Application Information in this data sheet and the thermal model in Switchers Made Simple® version 4.3 software. Copyright © 1999–2013, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Links: LM2595 |
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