🔧✨ LM317K – A voltage regulator legend for over 45 years! ✨🔧 The LM317 was invented by Robert C. Dobkin and Robert J. Widlar at National Semiconductor. A patent was filed in 1970, marking a revolution in power supply design. Commercial production started a few years later, around 1976, with different versions including the LM317K in a TO-3 metal case. 🔍 Key specs: Adjustable output: 1.25 V → 37 V. Max current: up to 1.5 A. Ripple rejection: typ. 80 dB → very low residual noise. Tolerance: ±1
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🔧✨ LM317K – A voltage regulator legend for over 45 years! ✨🔧 The LM317 was invented by Robert C. Dobkin and Robert J. Widlar at National Semiconductor. A patent was filed in 1970, marking a revolution in power supply design. Commercial production started a few years later, around 1976, with different versions including the LM317K in a TO-3 metal case. 🔍 Key specs: Adjustable output: 1.25 V → 37 V. Max current: up to 1.5 A. Ripple rejection: typ. 80 dB → very low residual noise. Tolerance: ±1
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LM317 Adjustable Voltage Regulator IC
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50 Years Old Voltage Regulator IC LM317K
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Key Component: The central component is the LM317K adjustable voltage regulator IC. Input Section: An input from a power transformer is rectified by a KBL405 bridge rectifier (BR1) and filtered by a 4700 (mu text{f}) capacitor (C1). Output Control: Output voltage is adjusted using two potentiometers, P1 (Fine 500 (Omega )) and P2 (Coarse 5K (Omega )), in conjunction with fixed resistors R2 and R3. | Rizwan Khan
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Key Component: The central component is the LM317K adjustable voltage regulator IC. Input Section: An input from a power transformer is rectified by a KBL405 bridge rectifier (BR1) and filtered by a 4700 (mu text{f}) capacitor (C1). Output Control: Output voltage is adjusted using two potentiometers, P1 (Fine 500 (Omega )) and P2 (Coarse 5K (Omega )), in conjunction with fixed resistors R2 and R3. | Rizwan Khan
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LM317 Voltage Regulator 1.2-37V
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YouTubeINVENTOR
jean-Marc Babalian on Instagram: "🔧✨ LM317K – A voltage regulator legend for over 45 years! ✨🔧 The LM317 was invented by Robert C. Dobkin and Robert J. Widlar at National Semiconductor. A patent was filed in 1970, marking a revolution in power supply design. Commercial production started a few years later, around 1976, with different versions including the LM317K in a TO-3 metal case. 🔍 Key specs: Adjustable output: 1.25 V → 37 V. Max current: up to 1.5 A. Ripple rejection: typ. 80 dB → very
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jean-Marc Babalian on Instagram: "🔧✨ LM317K – A voltage regulator legend for over 45 years! ✨🔧 The LM317 was invented by Robert C. Dobkin and Robert J. Widlar at National Semiconductor. A patent was filed in 1970, marking a revolution in power supply design. Commercial production started a few years later, around 1976, with different versions including the LM317K in a TO-3 metal case. 🔍 Key specs: Adjustable output: 1.25 V → 37 V. Max current: up to 1.5 A. Ripple rejection: typ. 80 dB → very
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The circuit converts AC input from a power transformer into a regulated DC output. It uses a KBL405 bridge rectifier (BR1) and a large filter capacitor (C1, 4700 (mu )F) for initial rectification and smoothing. The LM317K regulator provides an adjustable output voltage, typically ranging from 1.25V up to a certain maximum, depending on the input voltage and component values. Voltage adjustment is achieved | Rizwan Khan
16.9K views4 months ago
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