Overview
The PAM2861 is a step-down converter in continuous operation mode. It is designed for single or multiple high-power LEDs . It has a built-in high-precision current detector that can set the output current through an external resistor. The soft switch can be selected.. Switching 1A constant current chip, soft start, up to 1.5Mhz switching frequency, open circuit protection, input from 6~40V, maximum current can achieve 1A current, constant current output accuracy 2%, efficiency up to 97%, the product is fully compatible In ZXLD1350, ZXLD1360 (ZETEX) and PT4115, PT4105 (PowTech), BP1361, BP1360 (BPSemi), SN3350, CL6808, MT7201 and other products, summed up the advantages and disadvantages of similar products in the industry, to promote strengths and avoid weaknesses, is the end of low-voltage range LED driver By. Mainly packaged with SOT23-5, SOT89-5, the products are widely used in MR16, MR11, wall washers, floodlights , lights and other lighting.
The PAM2861 is a buck converter in continuous operation mode designed for use in series with single or multiple high power LEDs. The driver IC is compatible with a wide DC input voltage, and the input range is stable and reliable in 6-40VDC. The output is stable and adjustable with a maximum 1A constant current, and the maximum output is 24W. The PAM2861 has a built-in high-precision current detector that can set the output current through an external resistor. The current detection voltage is extremely low, only 0.1V, which greatly reduces the problem of high resistance due to high current resistance. The output current can be PWM regulated by the VSET pin. The PWM frequency is 100-1KHz and the maximum PWM input voltage is 5V. The VSET pin may also control the output on or off (soft on or off function) via the DC voltage. When the input voltage is lower than 0.38VDC, the output can be effectively turned off.
Features â—† Peripheral circuit is extremely simple â—† Wide input voltage range: 6~40V input â—† Maximum output current 1 amp â—† Single pin control soft switch output or DC and PWM dimming control â—† Built-in PWM filter â—† Optional soft switch â—† Soft start , PWM dimming, high conversion efficiency of 97%
â—† Switching frequency up to 1MHz
â—† Built-in LED over current fast protection and over temperature protection, making the system more secure.
â—† Output constant current accuracy 2%
â—† Complete replacement of MR16 driver products such as ZXLD1350/1360 and PT4115 â—† Lead-free SOT23-5, SOT89-5 and MSOP-8 package applications â—† Low-voltage MR16 MR11 spotlight constant current drive, wall washer, spotlight, buried lamp, Underwater lights, automotive lighting, etc. â—† Industrial low-voltage lighting drive â—† Low-voltage lighting industry â—† LED backup lighting â—† Backlight LED constant current drive â—† Emergency lighting system â—† Indicator drive â—† Various low-voltage devices requiring constant current drive compared with similar products at home and abroad The .PAM2861 still has some advantages:
details as follows:
1, the working voltage is up to 40V. Some similar products work only 30V, in fact, relatively low, can not meet the 24V AC work adjustment, so the PAM2861's adaptability is better. Some domestic similar products are originally withstand voltage is 30V, later data sheet Change to 40V, but change the soup without changing the medicine, it is very dangerous when it is really more than 30V application.
2, PAM2861 increases the overcurrent fast protection, relatively safe. Some foreign products have no overcurrent protection, the drive board is susceptible to interference, the current will soar. It will often burn out IC.PAM2861 not only has overcurrent protection but also Temperature protection. Safer.
3, constant current effect is good. PAM2861's constant current effect is very good, basically not affected by voltage fluctuations. Some domestic similar products work even under DC24V, the current fluctuations are very large when three LEDs and six LEDs are connected in series. PAM2861 will not.
4, the price advantage. PAM2861's original Longding Microelectronics is a US-owned design company, with more than 20 years of design experience in Silicon Valley, and then cooperate with internationally renowned foundries. Product performance is guaranteed. At the same time due to technical advantages, cost Also well controlled. PAM2861 is the product performance of foreign manufacturers, but the price of domestic products. This point is superior to foreign brands.
The PAM2861 is fully compatible with ZXLD1350, ZXLD1360, PT4115, SN3350 and the solution to replace the LM3402/LM3404 drive solutions. More price and performance advantages.
The PAM2861 is a step-down converter in continuous operation mode. It is designed for single or multiple high-power LEDs . It has a built-in high-precision current detector that can set the output current through an external resistor. The soft switch can be selected.. Switching 1A constant current chip, soft start, up to 1.5Mhz switching frequency, open circuit protection, input from 6~40V, maximum current can achieve 1A current, constant current output accuracy 2%, efficiency up to 97%, the product is fully compatible In ZXLD1350, ZXLD1360 (ZETEX) and PT4115, PT4105 (PowTech), BP1361, BP1360 (BPSemi), SN3350, CL6808, MT7201 and other products, summed up the advantages and disadvantages of similar products in the industry, to promote strengths and avoid weaknesses, is the end of low-voltage range LED driver By. Mainly packaged with SOT23-5, SOT89-5, the products are widely used in MR16, MR11, wall washers, floodlights , lights and other lighting.
The PAM2861 is a buck converter in continuous operation mode designed for use in series with single or multiple high power LEDs. The driver IC is compatible with a wide DC input voltage, and the input range is stable and reliable in 6-40VDC. The output is stable and adjustable with a maximum 1A constant current, and the maximum output is 24W. The PAM2861 has a built-in high-precision current detector that can set the output current through an external resistor. The current detection voltage is extremely low, only 0.1V, which greatly reduces the problem of high resistance due to high current resistance. The output current can be PWM regulated by the VSET pin. The PWM frequency is 100-1KHz and the maximum PWM input voltage is 5V. The VSET pin may also control the output on or off (soft on or off function) via the DC voltage. When the input voltage is lower than 0.38VDC, the output can be effectively turned off.
Features â—† Peripheral circuit is extremely simple â—† Wide input voltage range: 6~40V input â—† Maximum output current 1 amp â—† Single pin control soft switch output or DC and PWM dimming control â—† Built-in PWM filter â—† Optional soft switch â—† Soft start , PWM dimming, high conversion efficiency of 97%
â—† Switching frequency up to 1MHz
â—† Built-in LED over current fast protection and over temperature protection, making the system more secure.
â—† Output constant current accuracy 2%
â—† Complete replacement of MR16 driver products such as ZXLD1350/1360 and PT4115 â—† Lead-free SOT23-5, SOT89-5 and MSOP-8 package applications â—† Low-voltage MR16 MR11 spotlight constant current drive, wall washer, spotlight, buried lamp, Underwater lights, automotive lighting, etc. â—† Industrial low-voltage lighting drive â—† Low-voltage lighting industry â—† LED backup lighting â—† Backlight LED constant current drive â—† Emergency lighting system â—† Indicator drive â—† Various low-voltage devices requiring constant current drive compared with similar products at home and abroad The .PAM2861 still has some advantages:
details as follows:
1, the working voltage is up to 40V. Some similar products work only 30V, in fact, relatively low, can not meet the 24V AC work adjustment, so the PAM2861's adaptability is better. Some domestic similar products are originally withstand voltage is 30V, later data sheet Change to 40V, but change the soup without changing the medicine, it is very dangerous when it is really more than 30V application.
2, PAM2861 increases the overcurrent fast protection, relatively safe. Some foreign products have no overcurrent protection, the drive board is susceptible to interference, the current will soar. It will often burn out IC.PAM2861 not only has overcurrent protection but also Temperature protection. Safer.
3, constant current effect is good. PAM2861's constant current effect is very good, basically not affected by voltage fluctuations. Some domestic similar products work even under DC24V, the current fluctuations are very large when three LEDs and six LEDs are connected in series. PAM2861 will not.
4, the price advantage. PAM2861's original Longding Microelectronics is a US-owned design company, with more than 20 years of design experience in Silicon Valley, and then cooperate with internationally renowned foundries. Product performance is guaranteed. At the same time due to technical advantages, cost Also well controlled. PAM2861 is the product performance of foreign manufacturers, but the price of domestic products. This point is superior to foreign brands.
The PAM2861 is fully compatible with ZXLD1350, ZXLD1360, PT4115, SN3350 and the solution to replace the LM3402/LM3404 drive solutions. More price and performance advantages.
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