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LM2731XMF Scheda tecnica(PDF) 5 Page - Texas Instruments |
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LM2731XMF Scheda tecnica(HTML) 5 Page - Texas Instruments |
5 / 29 page LM2731 www.ti.com SNVS217G – MAY 2004 – REVISED SEPTEMBER 2015 6.5 Electrical Characteristics Limits are for TJ = 25°C. Unless otherwise specified: VIN = 5 V, VSHDN = 5 V, IL = 0 A. PARAMETER TEST CONDITIONS MIN(1) TYP(2) MAX(1) UNIT VIN Input Voltage −40°C ≤ TJ ≤ 125°C 2.7 14 V VIN = 2.7 V 7 −40°C ≤ TJ ≤ 5.4 125°C RL = 43 Ω VIN = 3.3 V 10 X Option(3) −40°C ≤ TJ ≤ 8 125°C VIN = 5 V 16 VIN = 2.7 V 7.5 −40°C ≤ TJ ≤ 6 125°C RL = 43 Ω VIN = 3.3 V 11 Y Option(3) −40°C ≤ TJ ≤ 8.75 125°C VIN = 5 V 15 VOUT (MIN) Minimum Output Voltage Under Load V VIN = 2.7 V 5 −40°C ≤ TJ ≤ 3.75 125°C RL = 15 Ω VIN = 3.3 V 6.5 X Option(3) −40°C ≤ TJ ≤ 5 125°C VIN = 5 V 10 VIN = 2.7 V 5 −40°C ≤ TJ ≤ 4 125°C RL = 15 Ω VIN = 3.3 V 7 Y Option(3) −40°C ≤ TJ ≤ 5.5 125°C VIN = 5 V 10 TJ = 25°C 1.8 2 ISW Switch Current Limit See(4) A −40°C ≤ TJ ≤ 1.4 125°C TJ = 25°C 260 400 ISW = 100 mA −40°C ≤ TJ ≤ Vin = 5 V 500 125°C RDS(ON) Switch ON-Resistance m Ω TJ = 25°C 300 450 ISW = 100 mA −40°C ≤ TJ ≤ Vin = 3.3 V 550 125°C −40°C ≤ TJ ≤ Device ON 1.5 125°C SHDNTH Shutdown Threshold V −40°C ≤ TJ ≤ Device OFF 0.5 125°C VSHDN = 0 0 TJ = 25°C 0 ISHDN Shutdown Pin Bias Current µA VSHDN = 5 V −40°C ≤ TJ ≤ 2 125°C TJ = 25°C 1.230 VFB Feedback Pin Reference Voltage VIN = 3 V V −40°C ≤ TJ ≤ 1.205 1.255 125°C TJ = 25°C 60 IFB Feedback Pin Bias Current VFB = 1.23 V nA −40°C ≤ TJ ≤ 500 125°C (1) Limits are ensured by testing, statistical correlation, or design. (2) Typical values are derived from the mean value of a large quantity of samples tested during characterization and represent the most likely expected value of the parameter at room temperature. (3) L = 10 µH, COUT = 4.7 µF, duty cycle = maximum (4) Switch current limit is dependent on duty cycle (see Typical Characteristics). Copyright © 2004–2015, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Links: LM2731 |
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