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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 Base Product Number Current - Supply Voltage - Input Voltage - Input (Max) Output Type Temperature Coefficient SIC Programmable Voltage - Supply Supplier Device Package DataSheet RoHS Status Moisture Sensitivity Level (MSL) REACH Status Other Names ECCN HTSUS Standard Package Function Reference Type Voltage - Supply (Vcc/Vdd) Number of Outputs Current - Quiescent (Iq) Current - Supply (Max) Topology Frequency - Switching Control Features Output Configuration Output Phases Duty Cycle (Max) Synchronous Rectifier Clock Sync Serial Interfaces Current - Output 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
LM2678SX-5.0 National Semiconductor LM2678SX-5.0 -
RFQ
ECAD 1687 0.00000000 National Semiconductor SIMPLE SWITCHER® Bulk Active -40°C ~ 125°C (TJ) Surface Mount TO-263-8, D²Pak (7 Leads + Tab), TO-263CA LM2678 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 5A 5V - 8V
LM4040BIZ-2.5 National Semiconductor LM4040BIZ-2.5 0.4200
RFQ
ECAD 2 0.00000000 National Semiconductor - Bulk Active ±0.2% -40°C ~ 85°C (TA) Through Hole TO-226-3, TO-92-3 (TO-226AA) LM4040 - - Fixed 100ppm/°C TO-92-3 download RoHS non-compliant 1 (Unlimited) REACH Unaffected EAR99 8542.39.0001 1 Shunt 15 mA 2.5V - 35µVrms 65 µA
LM2852YMXA-1.5 National Semiconductor LM2852YMXA-1.5 -
RFQ
ECAD 8523 0.00000000 National Semiconductor SIMPLE SWITCHER® Bulk Obsolete -40°C ~ 125°C (TJ) Surface Mount 14-PowerTSSOP (0.173", 4.40mm Width) 5.5V Fixed 14-HTSSOP download EAR99 8542.39.0001 1 Step-Down 1 Buck 500kHz Positive Yes 2A 1.5V - 2.85V
LM2598SX-12 National Semiconductor LM2598SX-12 2.3100
RFQ
ECAD 1 0.00000000 National Semiconductor SIMPLE SWITCHER® Bulk Active -40°C ~ 125°C (TJ) Surface Mount TO-263-8, D²Pak (7 Leads + Tab), TO-263CA LM2598 40V Fixed DDPAK/TO-263-7 download RoHS non-compliant 3 (168 Hours) REACH Affected EAR99 8542.39.0001 500 Step-Down 1 Buck 150kHz Positive No 1A 12V - 4.5V
LP2960AIM-3.3/NOPB National Semiconductor LP2960AIM-3.3/NOPB -
RFQ
ECAD 3967 0.00000000 National Semiconductor - Bulk Active -40°C ~ 125°C Surface Mount 16-SOIC (0.154", 3.90mm Width) LP2960 30V Fixed 16-SOIC - ROHS3 Compliant 3 (168 Hours) REACH Unaffected EAR99 8542.39.0001 1 600 µA 40 mA Enable Positive 500mA 3.3V - 1 0.8V @ 500mA - Over Current, Over Temperature, Reverse Polarity
LM25010Q0MH National Semiconductor LM25010Q0MH -
RFQ
ECAD 2232 0.00000000 National Semiconductor - Bulk Active -40°C ~ 150°C (TJ) Surface Mount 14-PowerTSSOP (0.173", 4.40mm Width) 42V Adjustable 14-HTSSOP download RoHS non-compliant 3 (168 Hours) Vendor Undefined EAR99 8542.39.0001 1 Step-Down 1 Buck 100kHz ~ 1MHz Positive No 1A 2.5V 42V 6V
LP3913SQ-AC/NOPB-NS National Semiconductor LP3913SQ-AC/NOPB-NS -
RFQ
ECAD 7294 0.00000000 National Semiconductor * Bulk Active LP3913 - ROHS3 Compliant 1 (Unlimited) REACH Unaffected EAR99 8542.39.0001 250
LM3881MM National Semiconductor LM3881MM -
RFQ
ECAD 6067 0.00000000 National Semiconductor - Bulk Active -40°C ~ 125°C (TJ) Power Supply Sequencer Surface Mount 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) LM3881 80 µA - Not Verified 2.7V ~ 5.5V 8-VSSOP download RoHS non-compliant 1 (Unlimited) REACH Unaffected EAR99 8542.39.0001 1
LP2980IM5-3.1 National Semiconductor LP2980IM5-3.1 -
RFQ
ECAD 4912 0.00000000 National Semiconductor - Bulk Active -40°C ~ 125°C (TJ) Surface Mount SC-74A, SOT-753 16V Fixed TSOT-23-5 download RoHS non-compliant 1 (Unlimited) REACH Affected EAR99 8542.39.0001 1,000 110 µA 850 µA Enable Positive 50mA 3.1V - 1 - 63dB (1kHz) Over Current, Over Temperature, Short Circuit
LM3671MF-2.8/NOPB National Semiconductor LM3671MF-2.8/NOPB 0.8000
RFQ
ECAD 1 0.00000000 National Semiconductor - Bulk Active -40°C ~ 85°C (TA) Surface Mount SC-74A, SOT-753 LM3671 5.5V Fixed SOT-23-5 download EAR99 8542.39.0001 373 Step-Down 1 Buck 2MHz Positive Yes 600mA 2.8V - 2.7V
LM5030SD National Semiconductor LM5030SD -
RFQ
ECAD 4257 0.00000000 National Semiconductor - Bulk Obsolete -40°C ~ 105°C (TA) Surface Mount 10-WDFN Exposed Pad LM5030 Transistor Driver 10-WSON (4x4) download EAR99 8542.39.0001 1 Step-Up/Step-Down 14V ~ 90V 2 Full-Bridge, Half-Bridge, Push-Pull 200kHz, 600kHz Frequency Control, Soft Start Positive, Isolation Capable 1 50% No No -
LP8340ILDX-ADJ/NOPB National Semiconductor LP8340ILDX-ADJ/NOPB 0.7600
RFQ
ECAD 108 0.00000000 National Semiconductor - Bulk Active -40°C ~ 125°C Surface Mount 6-WDFN Exposed Pad 10V Adjustable 6-WSON (2.92x3.29) download EAR99 8542.39.0001 1 100 µA 170 µA - Positive 1A 1.25V 9.3V 1 - 55dB (120Hz) Over Current, Over Temperature
LM4120IM5-3.3 National Semiconductor LM4120IM5-3.3 -
RFQ
ECAD 3410 0.00000000 National Semiconductor - Bulk Active ±0.5% -40°C ~ 85°C (TA) Surface Mount SC-74A, SOT-753 LM4120 275µA 2V ~ 12V Fixed 50ppm/°C SOT-23-5 - RoHS non-compliant 1 (Unlimited) REACH Affected EAR99 8542.39.0001 1,000 Series 5 mA 3.3V 20µVp-p 36µVp-p
LM2599T-ADJ-NS National Semiconductor LM2599T-ADJ-NS 4.5100
RFQ
ECAD 875 0.00000000 National Semiconductor SIMPLE SWITCHER® Bulk Active -40°C ~ 125°C Through Hole TO-220-7 Formed Leads 40V Adjustable TO-220-7 download RoHS non-compliant 1 (Unlimited) REACH Affected EAR99 8542.39.0001 1 Step-Down 1 Buck 150kHz Positive No 3A 1.23V 37V 4.5V
LM2599SX-3.3/NOPB National Semiconductor LM2599SX-3.3/NOPB -
RFQ
ECAD 5585 0.00000000 National Semiconductor * Bulk Active - RoHS non-compliant Vendor Undefined 2156-LM2599SX-3.3/NOPB-14 1
LM25066PSQE/NOPB National Semiconductor LM25066PSQE/NOPB -
RFQ
ECAD 1912 0.00000000 National Semiconductor - Bulk Active -40°C ~ 85°C Base Station-Networking Line Cards, Servers Surface Mount 24-WFQFN Exposed Pad LM25066 5.8mA 2.9V ~ 17V 24-WQFN (4x5) download 0000.00.0000 1
LM109K/883 National Semiconductor LM109K/883 59.0400
RFQ
ECAD 233 0.00000000 National Semiconductor - Bulk Active -55°C ~ 150°C (TA) Through Hole TO-204AA, TO-3 25V Fixed TO-3-2 download RoHS non-compliant 1 (Unlimited) REACH Affected EAR99 8542.39.0001 1 10 mA - Positive 1A 5V - 1 3V Over Current, Over Temperature
LM78L12ACMX/NOPB National Semiconductor LM78L12ACMX/NOPB -
RFQ
ECAD 3548 0.00000000 National Semiconductor - Bulk Active 0°C ~ 125°C Surface Mount 8-SOIC (0.154", 3.90mm Width) 35V Fixed 8-SOIC download EAR99 8542.39.0001 1 3 mA - Positive 100mA 12V - 1 - 54dB (120Hz) Over Temperature, Short Circuit
LP3853ES-1.8 National Semiconductor LP3853ES-1.8 7.7800
RFQ
ECAD 425 0.00000000 National Semiconductor - Bulk Active -40°C ~ 125°C Surface Mount TO-263-6, D²Pak (5 Leads + Tab), TO-263BA 7V Fixed DDPAK/TO-263-5 download Vendor Undefined REACH Affected 2156-LP3853ES-1.8-14 1 4 mA 10 mA Enable Positive 3A 1.8V - 1 0.6V @ 3A 73dB ~ 57dB (120Hz) Over Current, Over Temperature, Short Circuit
LMS1587IS-1.5-NS National Semiconductor LMS1587IS-1.5-NS -
RFQ
ECAD 3182 0.00000000 National Semiconductor - Bulk Active -40°C ~ 125°C Surface Mount TO-263-4, D²Pak (3 Leads + Tab), TO-263AA 13V Fixed DDPAK/TO-263-3 - RoHS non-compliant 3 (168 Hours) REACH Affected EAR99 8542.39.0001 1 7 mA 13 mA - Positive 3A 1.5V - 1 1.3V @ 3A 60 ~ 72 dB (120Hz) Over Current, Over Temperature
LP3972SQ-A413 National Semiconductor LP3972SQ-A413 3.2600
RFQ
ECAD 1 0.00000000 National Semiconductor - Bulk Active -40°C ~ 85°C Processor Surface Mount 40-WFQFN Exposed Pad LP3972 60µA 2.7V ~ 5.5V 40-WQFN (5x5) download RoHS non-compliant 1 (Unlimited) REACH Affected EAR99 8542.39.0001 1,000
LM3477AMMX/NOPB National Semiconductor LM3477AMMX/NOPB 1.2200
RFQ
ECAD 3 0.00000000 National Semiconductor - Bulk Active -40°C ~ 125°C (TJ) Surface Mount 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) LM3477 Transistor Driver 8-VSSOP download EAR99 8542.39.0001 1 Step-Down 2.97V ~ 35V 1 Buck, Buck-Boost 500kHz Enable Positive 1 93% No No -
LM3671LC-1.8 National Semiconductor LM3671LC-1.8 0.4200
RFQ
ECAD 2 0.00000000 National Semiconductor - Bulk Active -40°C ~ 85°C (TA) Surface Mount 6-UFDFN LM3671 5.5V Fixed 6-USON (2x2) download ROHS3 Compliant 3 (168 Hours) Vendor Undefined EAR99 8542.39.0001 1,000 Step-Down 1 Buck 2MHz Positive Yes 600mA 1.8V - 2.7V
LP2985AIM5X-2.5/NOPB National Semiconductor LP2985AIM5X-2.5/NOPB 0.2700
RFQ
ECAD 2 0.00000000 National Semiconductor - Bulk Active -40°C ~ 125°C Surface Mount SC-74A, SOT-753 16V Fixed SOT-23-5 download EAR99 8542.39.0001 1,099 95 µA 2.5 mA Enable Positive 150mA 2.5V - 1 0.58V @ 150mA 45dB (1kHz) Over Current, Over Temperature, Short Circuit
LM2587T-12/NOPB National Semiconductor LM2587T-12/NOPB -
RFQ
ECAD 5956 0.00000000 National Semiconductor * Bulk Active - RoHS non-compliant Vendor Undefined 2156-LM2587T-12/NOPB-14 1
LP3965EMP-3.3 National Semiconductor LP3965EMP-3.3 -
RFQ
ECAD 3320 0.00000000 National Semiconductor - Bulk Active -40°C ~ 125°C Surface Mount TO-261-5, TO-261AB LP3965 7V Fixed SOT-223-5 - RoHS non-compliant 1 (Unlimited) REACH Affected EAR99 8542.39.0001 1,000 9 mA 15 mA Enable Positive 1.5A 3.3V - 1 0.55V @ 1.5A - Over Current, Over Temperature, Short Circuit
LP38513S-1.8/NOPB National Semiconductor LP38513S-1.8/NOPB 3.1500
RFQ
ECAD 307 0.00000000 National Semiconductor - Bulk Active -40°C ~ 125°C Surface Mount TO-263-6, D²Pak (5 Leads + Tab), TO-263BA 5.5V Fixed DDPAK/TO-263-5 download EAR99 8542.39.0001 96 10 mA 20 mA Enable Positive 3A 1.8V - 1 0.43V @ 3A 73dB ~ 70dB (120Hz ~ 1kHz) Over Current, Over Temperature, Short Circuit
LM2676SX-ADJ REEL National Semiconductor LM2676SX-ADJ REEL -
RFQ
ECAD 8498 0.00000000 National Semiconductor * Bulk Active - Not applicable 3 (168 Hours) Vendor Undefined EAR99 8542.39.0001 400
LP3853ESX-2.5/NOPB National Semiconductor LP3853ESX-2.5/NOPB 3.0400
RFQ
ECAD 15 0.00000000 National Semiconductor - Bulk Active -40°C ~ 125°C Surface Mount TO-263-6, D²Pak (5 Leads + Tab), TO-263BA 7V Fixed DDPAK/TO-263-5 download EAR99 8542.39.0001 99 4 mA 10 mA Enable Positive 3A 2.5V - 1 0.6V @ 3A 73dB ~ 57dB (120Hz) Over Current, Over Temperature, Short Circuit
LMV431CM5 National Semiconductor LMV431CM5 0.5500
RFQ
ECAD 7 0.00000000 National Semiconductor - Bulk Active ±1.5% 0°C ~ 70°C (TA) Surface Mount SC-74A, SOT-753 LMV431 - - Adjustable - SOT-23-5 download EAR99 8542.39.0001 550 Shunt 15 mA 1.24V - - 80 µA 30 V
  • 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