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LM2597MX-ADJ 数据表(PDF) 7 Page - Texas Instruments |
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LM2597MX-ADJ 数据表(HTML) 7 Page - Texas Instruments |
7 / 48 page LM2597, LM2597HV www.ti.com SNVS119C – MARCH 1998 – 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 = 100 mA. Symbol Parameter Conditions LM2597/LM2597HV-XX Units (Limits) Typ (1) Limit (2) FLAG/DELAY CONTROL Test Circuit of Figure 31 Regulator Dropout Low (Flag ON) 96 % Detector 92 %(min) Threshold Voltage 98 %(max) VFSAT Flag Output Saturation ISINK = 3 mA 0.3 V Voltage VDELAY = 0.5V 0.7/1.0 V(max) IFL Flag Output Leakage VFLAG = 40V 0.3 μA Current Delay Pin Threshold 1.25 V Voltage Low (Flag ON) 1.21 V(min) High (Flag OFF) and VOUT Regulated 1.29 V(max) Delay Pin Source VDELAY = 0.5V 3 μA Current 6 μA(max) Delay Pin Saturation Low (Flag ON) 55 mV 350/400 mV(max) BIAS SUPPLY IBS Bias Supply Pin Current VBS = 2V (9) 120 μA 400 μA(max) VBS = 4.4V (9) 4 mA 10 mA(max) IQ Operating Quiescent Current VBS = 4.4V , Vin pin current (9) 1 2 mA (9) Feedback pin removed from output and connected to 12V for the 3.3V, 5V, and the ADJ. version, and 15V for the 12V version, to force the output transistor switch OFF. Copyright © 1998–2013, Texas Instruments Incorporated Submit Documentation Feedback 7 Product Folder Links: LM2597 LM2597HV |
类似零件编号 - LM2597MX-ADJ |
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类似说明 - LM2597MX-ADJ |
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