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Image Product Number Pricing(USD) Quantity ECAD Quantity Available Weight(Kg) Mfr Series Package Product Status Tolerance Operating Temperature Applications Mounting Type Package / Case Type Base Product Number Frequency Current - Supply Voltage - Input Voltage - Input (Max) Output Type Temperature Coefficient Output Supplier Device Package DataSheet RoHS Status Moisture Sensitivity Level (MSL) REACH Status Other Names ECCN HTSUS Standard Package Function Current - Output / Channel Reference Type Voltage - Supply (Vcc/Vdd) Number of Outputs Reset Current - Quiescent (Iq) Current - Supply (Max) Internal Switch(s) Topology Frequency - Switching Control Features Voltage - Supply (Max) Output Configuration Output Phases Duty Cycle (Max) Synchronous Rectifier Clock Sync Serial Interfaces Current - Output Dimming Voltage - Supply (Min) Voltage - Output Number of Voltages Monitored Voltage - Threshold Reset Timeout Voltage - Output (Min/Fixed) Noise - 0.1Hz to 10Hz Noise - 10Hz to 10kHz Current - Cathode Voltage - Output (Max) Voltage - Input (Min) Number of Regulators Voltage Dropout (Max) PSRR Protection Features
LM3674MF-1.5 National Semiconductor LM3674MF-1.5 0.5100
RFQ
ECAD 700 0.00000000 National Semiconductor - Bulk Active -30°C ~ 85°C (TA) Surface Mount SC-74A, SOT-753 5.5V Fixed SOT-23-5 download RoHS non-compliant 1 (Unlimited) REACH Affected EAR99 8542.39.0001 1,000 Step-Down 1 Buck 2MHz Positive Yes 600mA 1.5V - 2.7V
LM2940SX-9.0/NOPB National Semiconductor LM2940SX-9.0/NOPB 0.9400
RFQ
ECAD 466 0.00000000 National Semiconductor - Bulk Active -40°C ~ 125°C Surface Mount TO-263-4, D²Pak (3 Leads + Tab), TO-263AA 26V Fixed DDPAK/TO-263-3 download EAR99 8542.39.0001 319 10 mA 15 mA - Positive 1A 9V - 1 1V @ 1A 64dB (120Hz) Over Current, Over Temperature, Reverse Polarity, Short Circuit
LM5000-3MTC/NOPB National Semiconductor LM5000-3MTC/NOPB 3.3200
RFQ
ECAD 657 0.00000000 National Semiconductor - Bulk Active -40°C ~ 125°C (TJ) Surface Mount 16-TSSOP (0.173", 4.40mm Width) LM5000 40V Adjustable 16-TSSOP download EAR99 8542.39.0001 91 Step-Up, Step-Up/Step-Down 1 Boost, Flyback, Forward Converter 300kHz, 700kHz Positive No 1.35A (Switch) 3.1V 80V (Switch) 3.1V
LP3987ITL-3.0/NOPB National Semiconductor LP3987ITL-3.0/NOPB -
RFQ
ECAD 4122 0.00000000 National Semiconductor - Bulk Active -40°C ~ 125°C Surface Mount 5-WFBGA, DSBGA LP3987 6V Fixed 5-DSBGA (1.41x1.08) download ROHS3 Compliant 1 (Unlimited) REACH Unaffected EAR99 8542.39.0001 250 120 µA 200 µA Enable Positive 150mA 3V - 1 0.1V @ 150mA 50dB ~ 10dB (10kHz) Over Current, Over Temperature, Short Circuit
LM1084IT-3.3 National Semiconductor LM1084IT-3.3 1.3400
RFQ
ECAD 684 0.00000000 National Semiconductor - Bulk Active -40°C ~ 125°C Through Hole TO-220-3 27V Fixed TO-220-3 download EAR99 8542.39.0001 1 10 mA - Positive 5A 3.3V - 1 1.5V @ 5A 72dB (120Hz) Over Current, Over Temperature
LM2676SX-5.0 National Semiconductor LM2676SX-5.0 -
RFQ
ECAD 9548 0.00000000 National Semiconductor SIMPLE SWITCHER® Bulk Active -40°C ~ 125°C (TJ) Surface Mount TO-263-8, D²Pak (7 Leads + Tab), TO-263CA 40V Fixed DDPAK/TO-263-7 download RoHS non-compliant 3 (168 Hours) REACH Affected EAR99 8542.39.0001 500 Step-Down 1 Buck 260kHz Positive No 3A 5V - 8V
LP8340CLD-5.0 National Semiconductor LP8340CLD-5.0 -
RFQ
ECAD 3732 0.00000000 National Semiconductor - Bulk Active 0°C ~ 125°C Surface Mount 6-WDFN Exposed Pad 10V Fixed 6-WSON (2.92x3.29) download RoHS non-compliant 1 (Unlimited) REACH Affected EAR99 8542.39.0001 1 100 µA 170 µA - Positive 1A 5V - 1 0.8V @ 1A 55dB (120Hz) Over Current, Over Temperature
LM1771TSD National Semiconductor LM1771TSD 0.5200
RFQ
ECAD 1 0.00000000 National Semiconductor - Bulk Active -40°C ~ 125°C (TJ) Surface Mount 6-WDFN Exposed Pad Transistor Driver 6-WSON (3x3) download RoHS non-compliant 1 (Unlimited) REACH Affected EAR99 8542.39.0001 1,000 Step-Down 2.8V ~ 5.5V 1 Buck 100kHz ~ 1MHz Enable Positive 1 - Yes No -
LM385BXZ/NOPB National Semiconductor LM385BXZ/NOPB 0.9100
RFQ
ECAD 380 0.00000000 National Semiconductor - Bulk Active ±1% 0°C ~ 70°C (TA) Through Hole TO-226-3, TO-92-3 (TO-226AA) LM385 - - Adjustable 30ppm/°C TO-92-3 download EAR99 8542.39.0001 380 Shunt 20 mA 1.24V - 50µVrms 55 µA 5.3 V
LM285BXZ-1.2/LFT4 National Semiconductor LM285BXZ-1.2/LFT4 1.8900
RFQ
ECAD 1 0.00000000 National Semiconductor - Bulk Active ±1% -40°C ~ 85°C (TA) Through Hole TO-226-3, TO-92-3 (TO-226AA) LM285 - - Fixed 30ppm/°C TO-92-3 download EAR99 8542.39.0001 1 Shunt 20 mA 1.235V - 60µVrms 10 µA
LM1117T-5.0 National Semiconductor LM1117T-5.0 0.5700
RFQ
ECAD 589 0.00000000 National Semiconductor - Bulk Active 0°C ~ 125°C Through Hole TO-220-3 15V Fixed TO-220-3 download EAR99 8542.39.0001 1 5 mA 10 mA - Positive 800mA 5V - 1 1.2V @ 800mA 75dB (120Hz) Over Current, Over Temperature
LM330T-5.0 National Semiconductor LM330T-5.0 0.4800
RFQ
ECAD 2 0.00000000 National Semiconductor - Tube Obsolete 0°C ~ 70°C Through Hole TO-220-3 26V Fixed TO-220-3 download RoHS non-compliant EAR99 8542.39.0001 45 - Positive 150mA 5V - 1 - - Over Temperature, Reverse Polarity, Short Circuit
LP3985IBP-4.7 National Semiconductor LP3985IBP-4.7 0.1900
RFQ
ECAD 2683 0.00000000 National Semiconductor - Bulk Obsolete -40°C ~ 125°C Surface Mount 5-WFBGA, DSBGA 6V Fixed 5-DSBGA (1.5x1.2) download RoHS non-compliant EAR99 8542.39.0001 250 150 µA 250 µA Enable Positive 150mA 4.7V - 1 0.1V @ 150mA 50dB ~ 40dB (1kHz ~ 10kHz) Over Current, Over Temperature, Short Circuit
LM2599S-ADJ/NOPB National Semiconductor LM2599S-ADJ/NOPB 3.9100
RFQ
ECAD 19 0.00000000 National Semiconductor SIMPLE SWITCHER® Bulk Active -40°C ~ 125°C (TJ) Surface Mount TO-263-8, D²Pak (7 Leads + Tab), TO-263CA LM2599 40V Adjustable DDPAK/TO-263-7 download EAR99 8542.39.0001 77 Step-Down 1 Buck 150kHz Positive No 3A 1.23V 37V 4.5V
LM2670S-ADJ/NOPB National Semiconductor LM2670S-ADJ/NOPB -
RFQ
ECAD 8036 0.00000000 National Semiconductor SIMPLE SWITCHER® Bulk Active -40°C ~ 125°C (TJ) Surface Mount TO-263-8, D²Pak (7 Leads + Tab), TO-263CA 40V Adjustable DDPAK/TO-263-7 download 0000.00.0000 1 Step-Down 1 Buck 260kHz Positive No 3A 1.2V 37V 8V
LM2574HVM-ADJ/NOPB National Semiconductor LM2574HVM-ADJ/NOPB 2.7700
RFQ
ECAD 203 0.00000000 National Semiconductor SIMPLE SWITCHER® Bulk Active -40°C ~ 125°C (TJ) Surface Mount 14-SOIC (0.295", 7.50mm Width) LM2574 60V Adjustable 14-SOIC download EAR99 8542.39.0001 109 Step-Down 1 Buck 52kHz Positive No 500mA 1.23V 37V 4V
LP3964EMPX-2.5 National Semiconductor LP3964EMPX-2.5 0.6800
RFQ
ECAD 4 0.00000000 National Semiconductor - Bulk Active -40°C ~ 125°C Surface Mount TO-261-5, TO-261AB LP3964 7V Fixed SOT-223-5 download RoHS non-compliant 1 (Unlimited) REACH Affected EAR99 8542.39.0001 2,000 9 mA 15 mA Enable Positive 800mA 2.5V - 1 0.35V @ 800mA - Over Current, Over Temperature, Short Circuit
LP3964EMP-1.8 National Semiconductor LP3964EMP-1.8 1.3800
RFQ
ECAD 4 0.00000000 National Semiconductor - Bulk Active -40°C ~ 125°C Surface Mount TO-261-5, TO-261AB LP3964 7V Fixed SOT-223-5 download RoHS non-compliant 1 (Unlimited) REACH Affected EAR99 8542.39.0001 2,000 9 mA 15 mA Enable Positive 800mA 1.8V - 1 0.35V @ 800mA - Over Current, Over Temperature, Short Circuit
LM21215MH/NOPB National Semiconductor LM21215MH/NOPB 5.4600
RFQ
ECAD 2 0.00000000 National Semiconductor - Bulk Active -40°C ~ 125°C (TJ) Surface Mount 20-TSSOP (0.173", 4.40mm Width) Exposed Pad LM21215 5.5V Adjustable 20-HTSSOP download EAR99 8542.39.0001 55 Step-Down 1 Buck 500kHz Positive Yes 15A 0.6V 5.5V 2.95V
LM78S40J National Semiconductor LM78S40J 9.1100
RFQ
ECAD 2 0.00000000 National Semiconductor LM78S40 Bulk Active -55°C ~ 125°C Through Hole 16-CDIP (0.300", 7.62mm) 40V Adjustable 16-CDIP download RoHS non-compliant 3 (168 Hours) Vendor Undefined EAR99 8542.39.0001 1 Step-Up, Step-Down 1 Boost, Buck 100Hz ~ 100kHz Positive or Negative No 1.5A (Switch) 1.25V 40V 2.5V
LP2980AIM5-1.8 National Semiconductor LP2980AIM5-1.8 0.1900
RFQ
ECAD 38 0.00000000 National Semiconductor - Bulk Active -40°C ~ 125°C Surface Mount SC-74A, SOT-753 16V Fixed SOT-23-5 download RoHS non-compliant 1 (Unlimited) REACH Affected EAR99 8542.39.0001 1,000 95 µA 1.2 mA Enable Positive 50mA 1.8V - 1 0.22V @ 50mA 63dB (1kHz) Over Current, Over Temperature, Short Circuit
LM3673TL-ADJ National Semiconductor LM3673TL-ADJ -
RFQ
ECAD 4504 0.00000000 National Semiconductor - Bulk Active -30°C ~ 85°C (TA) Surface Mount 5-WFBGA, DSBGA 5.5V Adjustable 5-DSBGA (1.5x1.2) download ROHS3 Compliant 1 (Unlimited) REACH Unaffected EAR99 8542.39.0001 250 Step-Down 1 Buck 2MHz Positive Yes 350mA 1.1V 3.3V 2.7V
LM2623MM/NOPB National Semiconductor LM2623MM/NOPB 0.9200
RFQ
ECAD 2 0.00000000 National Semiconductor - Bulk Active -40°C ~ 85°C (TA) Surface Mount 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) LM2623 14V Adjustable 8-VSSOP download EAR99 8542.39.0001 326 Step-Up 1 Boost 300kHz ~ 2MHz Positive No 2.2A (Switch) 1.24V 14V 0.8V
LM3444MA/NOPB National Semiconductor LM3444MA/NOPB 0.6200
RFQ
ECAD 3 0.00000000 National Semiconductor - Bulk Active -40°C ~ 125°C (TJ) Lighting Surface Mount 8-SOIC (0.154", 3.90mm Width) AC DC Offline Switcher LM3444 - 8-SOIC download EAR99 8542.39.0001 1 - 1 No Step-Down (Buck) 13V Analog 8V -
LM3502ITL-25/NOPB National Semiconductor LM3502ITL-25/NOPB 1.4700
RFQ
ECAD 497 0.00000000 National Semiconductor - Bulk Active -40°C ~ 85°C (TA) Backlight Surface Mount 10-WFBGA, DSBGA DC DC Regulator LM3502 1MHz 10-DSBGA download ROHS3 Compliant 1 (Unlimited) REACH Unaffected EAR99 8542.39.0001 250 600mA (Switch) 2 Yes Step-Up (Boost) 5.5V PWM 2.5V 25V
LM2940WG5.0/883 National Semiconductor LM2940WG5.0/883 63.7000
RFQ
ECAD 7 0.00000000 National Semiconductor - Bulk Active -40°C ~ 125°C (TJ) Surface Mount 16-CSOIC (0.241", 6.12mm Width) 26V Fixed 16-CFP download Not applicable 1 (Unlimited) REACH Affected EAR99 8542.39.0001 1 20 mA 60 mA - Positive 1A 5V - 1 1V @ 1A 72dB (120Hz) Over Current, Over Temperature, Reverse Polarity, Short Circuit
LM5025CMTCX National Semiconductor LM5025CMTCX -
RFQ
ECAD 5309 0.00000000 National Semiconductor - Bulk Active -40°C ~ 125°C (TJ) Surface Mount 16-TSSOP (0.173", 4.40mm Width) LM5025 Transistor Driver 16-TSSOP download EAR99 8542.39.0001 1 Step-Up/Step-Down 13V ~ 90V 2 Forward Converter Up to 1MHz Dead Time Control, Frequency Control, Ramp, Soft Start, Sync Positive, Isolation Capable 1 91% No Yes -
LP3470IM5X-4.00/NOPB National Semiconductor LP3470IM5X-4.00/NOPB 1.0600
RFQ
ECAD 2 0.00000000 National Semiconductor - Bulk Active -40°C ~ 85°C (TJ) Surface Mount SC-74A, SOT-753 Simple Reset/Power-On Reset LP3470 Open Drain or Open Collector SOT-23-5 download Vendor Undefined REACH Unaffected 2156-LP3470IM5X-4.00/NOPB-14 1 Active Low 1 4V 1ms Minimum
LM4040DIM3-4.1 National Semiconductor LM4040DIM3-4.1 -
RFQ
ECAD 4889 0.00000000 National Semiconductor - Bulk Active ±1% -40°C ~ 85°C (TA) Surface Mount TO-236-3, SC-59, SOT-23-3 LM4040 - - Fixed 150ppm/°C SOT-23-3 download Vendor Undefined REACH Affected 2156-LM4040DIM3-4.1-14 1 Shunt 15 mA 4.096V - 80µVrms 78 µA
LM2673T-ADJ National Semiconductor LM2673T-ADJ 4.1700
RFQ
ECAD 4988 0.00000000 National Semiconductor SIMPLE SWITCHER® Bulk Active -40°C ~ 125°C (TJ) Through Hole TO-220-7 Formed Leads 40V Adjustable TO-220-7 - RoHS non-compliant 1 (Unlimited) REACH Affected EAR99 8542.39.0001 1 Step-Down 1 Buck 260kHz Positive No 3A 1.2V 37V 8V
  • Daily average RFQ Volume

    2000+

    Daily average RFQ Volume

  • Standard Product Unit

    30,000,000

    Standard Product Unit

  • Worldwide Manufacturers

    2800+

    Worldwide Manufacturers

  • In-stock Warehouse

    15,000 m2

    In-stock Warehouse