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LM3423-Q1

具有串聯(lián) DIM FET 驅動器和故障標志的汽車類 N 溝道恒流 LED 控制器; ? AEC Qualified for Automotive Applications \n? Device Temperature Grade 1: ?40°C ≤ TA ≤ 125°C (LM3421-Q1 and LM3423-Q1)\n? Device Temperature Grade 0: ?40°C ≤ TA ≤ 150°C (LM3421-Q0 and LM3423-Q0)\n \n? VIN Range From 4.5 V to 75 V\n? High-Side Adjustable Current Sense\n? 2-?, 1-A Peak MOSFET Gate Driver\n? Input Undervoltage and Output Overvoltage Protection\n? PWM and Analog Dimming\n? Cycle-by-Cycle Current Limit\n? Programmable Switching Frequency\n? Zero Current Shutdown and Thermal Shutdown\n? LED Output Status Flag (LM3423-Q1 and LM3423-Q0 Only)\n? Fault Status Flag and Timer(LM3423-Q1 and LM3423-Q0 Only);

The LM3421-Q1 and LM3423-Q1 family of devices are versatile high voltage N-channel MOSFET controllers for LED drivers. They can be easily configured in buck, boost, buck-boost and SEPIC topologies. This flexibility, along with an input voltage rating of 75 V, makes the these controllers ideal for illuminating LEDs in a large family of applications.\n\nAdjustable high-side current sense voltage allows for tight regulation of the LED current with the highest efficiency possible. The LM3421-Q1 and LM3423-Q1 devices use predictive off-time (PRO) control, which is a combination of peak current-mode control and a predictive off-timer. This method of control eases the design of loop compensation while providing inherent input voltage feed-forward compensation.\n\nThe LM3421-Q1 and LM3423-Q1 devices include a high-voltage start-up regulator that operates over a wide input range of 4.5 V to 75 V. The internal PWM controller is designed for adjustable switching frequencies of up to 2 MHz, thus enabling compact solutions.

TITexas Instruments

德州儀器美國德州儀器公司

LM3423-Q1

N-Channel Controllers for Constant-Current LED Drivers

TI1Texas Instruments

德州儀器美國德州儀器公司

技術參數(shù)

  • Topology：

    Boost Controller

  • Rating：

    Automotive

  • Operating temperature range (C)：

    -40 to 125

  • Vin (Min) (V)：

    4.5

  • Vin (Max) (V)：

    75

  • Vout (Min) (V)：

    3

  • Vout (Max) (V)：

    72

  • Iout (Max) (A)：

    5

  • Iq (Typ) (mA)：

    2

  • Switching frequency (Max) (kHz)：

    2000

  • Features：

    Adjustable Switch Frequency

供應商型號品牌批號封裝庫存備注價格
TI/德州儀器
23+
13000
原廠授權一級代理,專業(yè)海外優(yōu)勢訂貨,價格優(yōu)勢、品種
 詢價
TI德州儀器
22+
24000
原裝正品現(xiàn)貨,實單可談,量大價優(yōu)
 詢價
TI/德州
2018+
-40to125
32500
-40to150
 詢價
TI
500
詢價
NS
2020+
TSSOP-20
4500
百分百原裝正品 真實公司現(xiàn)貨庫存 本公司只做原裝 可
 詢價
NS/國半
22+
TSSOP20
103350
原裝正品現(xiàn)貨,可開13點稅
 詢價
NS
19+
TSSOP
16200
原裝正品,現(xiàn)貨特價
 詢價
NS
20+
TSSOP-20
2960
誠信交易大量庫存現(xiàn)貨
 詢價
NS/國半
21+
TSSOP20
3000
百域芯優(yōu)勢 實單必成 可開13點增值稅發(fā)票
 詢價
NS
23+
TSSOP-20
50000
全新原裝正品現(xiàn)貨,支持訂貨
 詢價
更多LM3423-Q1供應商 更新時間2025-7-28 15:59:00

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