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HomeAutomobileCar Electronics & AccessoriesCar Electronics AccessoriesAudio & Video AccessoriesPortable Device Car MountsLM317 Adjustable Voltage Regulator Board Digital Display Power Supply Module Double-Sided Circuit Heat Sink DC5-30V/ AC 3-21V More
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Product details
Size : --
Type : --
Style : --
Output Type : --
Model Number : LM317
DIY Supplies : ELECTRICAL
Origin : Mainland China
Certification : none
Features:
1.The LM317 three terminal adjustable voltage regulator integrated circuit makes the adjustable voltage regulator power supply circuit simple and reliable in performance,
2.The LM317 expansion circuit module can achieve an output current of 3A (requiring an increase in the heat sink of the power transistor) through the external connection of a high-power PNP type (TIP36) transistor, and has a short-circuit protection function.
3.When the pressure difference is small and the current is less than 2A, the built-in heat sink on the board can meet the heat dissipation requirements. If the current is greater than 2A and the input and output are large, please replace the high-power PNP transistor TIP36 with a larger heat sink.
4.The working principle of the module is equivalent to a series voltage stabilizing circuit, which adjusts the output voltage by adjusting the conductivity of the internal switch tube.
5.With short circuit protection, the output short circuit will not burn the device, and the input is equipped with a rectifier circuit, which can input without polarity.
Parameters:
DC input: DC5-30V
AC input: AC 3.5-21V
Output DC: DC 1.25-27V
Minimum pressure difference between input and output: 3V (step-down voltage regulation, output always less than input)
Maximum current: 3A
Circuit board size: 88mm long × 47mm wide
Product size: 88mm length * 65mm width * 55mm height
Circuit working principle:
The TIP36 transistor and resistor R4 form an expansion circuit. The resistor R5 is a leakage resistor, which is used to activate the internal circuit of LM317
The working current does not exceed the base current of the TIP36 transistor. Resistance R4 is a short-circuit protection resistor. When the current exceeds the limit value during a short circuit, the voltage drop on resistance R4 increases, causing a decrease in the emission junction voltage of TIP36, resulting in TIP36 not being able to conduct. The current copper tube R5 flows into the input terminal of LM317. As the current exceeds the maximum output current of LM317, the internal overcurrent protection and overheat protection circuits of LM317 will work, automatically reducing the output current of LM317, thereby achieving short-circuit protection.
Package include:
Package 1:
LM317 Power Supply Voltage Regulating Module DIY Loose Parts Kit (not welded, requires self welding)
Kit List (Shipping List):
PCB board * 1
5.1K resistor * 1
120 Ohm resistor * 1
1N4007 diode * 1
2W 22 Ohm resistor * 1
5W0.22 Ohm Resistance * 1
5MM LED turns red * 1
104 single stone capacitor * 2
25V10UF capacitor * 1
50V470UF capacitor * 1
50V1000UF capacitor * 1
5K with fixed foot potentiometer * 1
Potentiometer cap * 1
KF301-2P wiring base * 2
M3 * 8 screws * 3
LM317 * 1
23 * 16 * 25 heat sink * 1
TIP36 * 1
50 * 45 * 18 heat sink * 1
M3 * 6 self tapping screw * 3
Package 2:
Finished product of 1XLM317 power regulator module (welded and ready for use upon receipt)
Type : --
Style : --
Output Type : --
Model Number : LM317
DIY Supplies : ELECTRICAL
Origin : Mainland China
Certification : none
Features:
1.The LM317 three terminal adjustable voltage regulator integrated circuit makes the adjustable voltage regulator power supply circuit simple and reliable in performance,
2.The LM317 expansion circuit module can achieve an output current of 3A (requiring an increase in the heat sink of the power transistor) through the external connection of a high-power PNP type (TIP36) transistor, and has a short-circuit protection function.
3.When the pressure difference is small and the current is less than 2A, the built-in heat sink on the board can meet the heat dissipation requirements. If the current is greater than 2A and the input and output are large, please replace the high-power PNP transistor TIP36 with a larger heat sink.
4.The working principle of the module is equivalent to a series voltage stabilizing circuit, which adjusts the output voltage by adjusting the conductivity of the internal switch tube.
5.With short circuit protection, the output short circuit will not burn the device, and the input is equipped with a rectifier circuit, which can input without polarity.
Parameters:
DC input: DC5-30V
AC input: AC 3.5-21V
Output DC: DC 1.25-27V
Minimum pressure difference between input and output: 3V (step-down voltage regulation, output always less than input)
Maximum current: 3A
Circuit board size: 88mm long × 47mm wide
Product size: 88mm length * 65mm width * 55mm height
Circuit working principle:
The TIP36 transistor and resistor R4 form an expansion circuit. The resistor R5 is a leakage resistor, which is used to activate the internal circuit of LM317
The working current does not exceed the base current of the TIP36 transistor. Resistance R4 is a short-circuit protection resistor. When the current exceeds the limit value during a short circuit, the voltage drop on resistance R4 increases, causing a decrease in the emission junction voltage of TIP36, resulting in TIP36 not being able to conduct. The current copper tube R5 flows into the input terminal of LM317. As the current exceeds the maximum output current of LM317, the internal overcurrent protection and overheat protection circuits of LM317 will work, automatically reducing the output current of LM317, thereby achieving short-circuit protection.
Package include:
Package 1:
LM317 Power Supply Voltage Regulating Module DIY Loose Parts Kit (not welded, requires self welding)
Kit List (Shipping List):
PCB board * 1
5.1K resistor * 1
120 Ohm resistor * 1
1N4007 diode * 1
2W 22 Ohm resistor * 1
5W0.22 Ohm Resistance * 1
5MM LED turns red * 1
104 single stone capacitor * 2
25V10UF capacitor * 1
50V470UF capacitor * 1
50V1000UF capacitor * 1
5K with fixed foot potentiometer * 1
Potentiometer cap * 1
KF301-2P wiring base * 2
M3 * 8 screws * 3
LM317 * 1
23 * 16 * 25 heat sink * 1
TIP36 * 1
50 * 45 * 18 heat sink * 1
M3 * 6 self tapping screw * 3
Package 2:
Finished product of 1XLM317 power regulator module (welded and ready for use upon receipt)
Specifications
Key Features
Size : --
Type : --
Style : --
Output Type : --
Model Number : LM317
DIY Supplies : ELECTRICAL
Origin : Mainland China
Certification : none
Features:
1.The LM317 three terminal adjustable voltage regulator integrated circuit makes the adjustable voltage regulator power supply circuit simple and reliable in performance,
2.The LM317 expansion circuit module can achieve an output current of 3A (requiring an increase in the heat sink of the power transistor) through the external connection of a high-power PNP type (TIP36) transistor, and has a short-circuit protection function.
3.When the pressure difference is small and the current is less than 2A, the built-in heat sink on the board can meet the heat dissipation requirements. If the current is greater than 2A and the input and output are large, please replace the high-power PNP transistor TIP36 with a larger heat sink.
4.The working principle of the module is equivalent to a series voltage stabilizing circuit, which adjusts the output voltage by adjusting the conductivity of the internal switch tube.
5.With short circuit protection, the output short circuit will not burn the device, and the input is equipped with a rectifier circuit, which can input without polarity.
Parameters:
DC input: DC5-30V
AC input: AC 3.5-21V
Output DC: DC 1.25-27V
Minimum pressure difference between input and output: 3V (step-down voltage regulation, output always less than input)
Maximum current: 3A
Circuit board size: 88mm long × 47mm wide
Product size: 88mm length * 65mm width * 55mm height
Circuit working principle:
The TIP36 transistor and resistor R4 form an expansion circuit. The resistor R5 is a leakage resistor, which is used to activate the internal circuit of LM317
The working current does not exceed the base current of the TIP36 transistor. Resistance R4 is a short-circuit protection resistor. When the current exceeds the limit value during a short circuit, the voltage drop on resistance R4 increases, causing a decrease in the emission junction voltage of TIP36, resulting in TIP36 not being able to conduct. The current copper tube R5 flows into the input terminal of LM317. As the current exceeds the maximum output current of LM317, the internal overcurrent protection and overheat protection circuits of LM317 will work, automatically reducing the output current of LM317, thereby achieving short-circuit protection.
Package include:
Package 1:
LM317 Power Supply Voltage Regulating Module DIY Loose Parts Kit (not welded, requires self welding)
Kit List (Shipping List):
PCB board * 1
5.1K resistor * 1
120 Ohm resistor * 1
1N4007 diode * 1
2W 22 Ohm resistor * 1
5W0.22 Ohm Resistance * 1
5MM LED turns red * 1
104 single stone capacitor * 2
25V10UF capacitor * 1
50V470UF capacitor * 1
50V1000UF capacitor * 1
5K with fixed foot potentiometer * 1
Potentiometer cap * 1
KF301-2P wiring base * 2
M3 * 8 screws * 3
LM317 * 1
23 * 16 * 25 heat sink * 1
TIP36 * 1
50 * 45 * 18 heat sink * 1
M3 * 6 self tapping screw * 3
Package 2:
Finished product of 1XLM317 power regulator module (welded and ready for use upon receipt)
Type : --
Style : --
Output Type : --
Model Number : LM317
DIY Supplies : ELECTRICAL
Origin : Mainland China
Certification : none
Features:
1.The LM317 three terminal adjustable voltage regulator integrated circuit makes the adjustable voltage regulator power supply circuit simple and reliable in performance,
2.The LM317 expansion circuit module can achieve an output current of 3A (requiring an increase in the heat sink of the power transistor) through the external connection of a high-power PNP type (TIP36) transistor, and has a short-circuit protection function.
3.When the pressure difference is small and the current is less than 2A, the built-in heat sink on the board can meet the heat dissipation requirements. If the current is greater than 2A and the input and output are large, please replace the high-power PNP transistor TIP36 with a larger heat sink.
4.The working principle of the module is equivalent to a series voltage stabilizing circuit, which adjusts the output voltage by adjusting the conductivity of the internal switch tube.
5.With short circuit protection, the output short circuit will not burn the device, and the input is equipped with a rectifier circuit, which can input without polarity.
Parameters:
DC input: DC5-30V
AC input: AC 3.5-21V
Output DC: DC 1.25-27V
Minimum pressure difference between input and output: 3V (step-down voltage regulation, output always less than input)
Maximum current: 3A
Circuit board size: 88mm long × 47mm wide
Product size: 88mm length * 65mm width * 55mm height
Circuit working principle:
The TIP36 transistor and resistor R4 form an expansion circuit. The resistor R5 is a leakage resistor, which is used to activate the internal circuit of LM317
The working current does not exceed the base current of the TIP36 transistor. Resistance R4 is a short-circuit protection resistor. When the current exceeds the limit value during a short circuit, the voltage drop on resistance R4 increases, causing a decrease in the emission junction voltage of TIP36, resulting in TIP36 not being able to conduct. The current copper tube R5 flows into the input terminal of LM317. As the current exceeds the maximum output current of LM317, the internal overcurrent protection and overheat protection circuits of LM317 will work, automatically reducing the output current of LM317, thereby achieving short-circuit protection.
Package include:
Package 1:
LM317 Power Supply Voltage Regulating Module DIY Loose Parts Kit (not welded, requires self welding)
Kit List (Shipping List):
PCB board * 1
5.1K resistor * 1
120 Ohm resistor * 1
1N4007 diode * 1
2W 22 Ohm resistor * 1
5W0.22 Ohm Resistance * 1
5MM LED turns red * 1
104 single stone capacitor * 2
25V10UF capacitor * 1
50V470UF capacitor * 1
50V1000UF capacitor * 1
5K with fixed foot potentiometer * 1
Potentiometer cap * 1
KF301-2P wiring base * 2
M3 * 8 screws * 3
LM317 * 1
23 * 16 * 25 heat sink * 1
TIP36 * 1
50 * 45 * 18 heat sink * 1
M3 * 6 self tapping screw * 3
Package 2:
Finished product of 1XLM317 power regulator module (welded and ready for use upon receipt)
What’s in the box
1*package
Specifications
- SKU: GE779CA3DXXHHNAFAMZ
- Model: avoid chenicals
- Production Country: China
- Size (L x W x H cm): 12 x 13 x 14 cm
- Weight (kg): 1
- Color: Matches the image
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/product/04/8165812/1.jpg?3020)
LM317 Adjustable Voltage Regulator Board Digital Display Power Supply Module Double-Sided Circuit Heat Sink DC5-30V/ AC 3-21V More
UGX 158,893
UGX 239,30534%
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