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LM3410/LM3410Q,pdf datasheet (
消耗积分:10 |
格式:rar |
大小:558 |
2009-09-30
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The LM3410 constant current LED driver is a monolithic, high
frequency, PWM DC/DC converter in 5-pin SOT23, 6-pin LLP,
& 8-pin eMSOP packages. With a minimum of external components
the LM3410 is easy to use. It can drive 2.8A typical
peak currents with an internal 170 mΩ NMOS switch. Switching
frequency is internally set to either 525 kHz or 1.60 MHz,
allowing the use of extremely small surface mount inductors
and chip capacitors. Even though the operating frequency is
high, efficiencies up to 88% are easy to achieve. External
shutdown is included, featuring an ultra-low standby current
of 80 nA. The LM3410 utilizes current-mode control and internal
compensation to provide high-performance over a wide
range of operating conditions. Additional features include
dimming, cycle-by-cycle current limit, and thermal shutdown.
frequency, PWM DC/DC converter in 5-pin SOT23, 6-pin LLP,
& 8-pin eMSOP packages. With a minimum of external components
the LM3410 is easy to use. It can drive 2.8A typical
peak currents with an internal 170 mΩ NMOS switch. Switching
frequency is internally set to either 525 kHz or 1.60 MHz,
allowing the use of extremely small surface mount inductors
and chip capacitors. Even though the operating frequency is
high, efficiencies up to 88% are easy to achieve. External
shutdown is included, featuring an ultra-low standby current
of 80 nA. The LM3410 utilizes current-mode control and internal
compensation to provide high-performance over a wide
range of operating conditions. Additional features include
dimming, cycle-by-cycle current limit, and thermal shutdown.
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