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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 Voltage - Supply Supplier Device Package DataSheet RoHS Status Moisture Sensitivity Level (MSL) REACH Status Other Names ECCN HTSUS Standard Package Function Current - Output / Channel Reference Type Number of Outputs Current - Quiescent (Iq) Current - Supply (Max) Internal Switch(s) Topology Frequency - Switching Control Features Voltage - Supply (Max) Output Configuration Synchronous Rectifier Current - Output Dimming Voltage - Supply (Min) Voltage - 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
LM138K-MIL National Semiconductor LM138K-MIL -
RFQ
ECAD 9870 0.00000000 National Semiconductor - Bulk Active -55°C ~ 150°C (TJ) Through Hole TO-204AA, TO-3 40V Adjustable TO-3-2 download 0000.00.0000 1 5 mA - Positive 5A 1.2V 35V 1 - - Over Current, Over Temperature, Short Circuit
LM4128DQ1MF3.3 National Semiconductor LM4128DQ1MF3.3 -
RFQ
ECAD 3457 0.00000000 National Semiconductor Automotive, AEC-Q100 Bulk Active ±1% -40°C ~ 125°C (TJ) Surface Mount SC-74A, SOT-753 LM4128 100µA 3.7V ~ 5.5V Fixed 100ppm/°C SOT-23-5 download Vendor Undefined REACH Affected 2156-LM4128DQ1MF3.3-14 1 Series 20 mA 3.3V 310µVp-p -
LM4041DEM3-1.2-NS National Semiconductor LM4041DEM3-1.2-NS -
RFQ
ECAD 7549 0.00000000 National Semiconductor - Bulk Active ±1% -40°C ~ 125°C (TA) Surface Mount TO-236-3, SC-59, SOT-23-3 LM4041 - - Fixed 150ppm/°C SOT-23-3 - RoHS non-compliant 1 (Unlimited) REACH Affected EAR99 8542.39.0001 3,000 Shunt 12 mA 1.225V - 20µVrms 73 µA
LM2578AM National Semiconductor LM2578AM -
RFQ
ECAD 7560 0.00000000 National Semiconductor * Bulk Active - RoHS non-compliant Vendor Undefined 2156-LM2578AM-14 1
LM2599SX-5.0 National Semiconductor LM2599SX-5.0 1.3700
RFQ
ECAD 317 0.00000000 National Semiconductor SIMPLE SWITCHER® Bulk Active -40°C ~ 125°C 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 150kHz Positive No 3A 5V - 4.5V
LM4040EIM3X-2.5 National Semiconductor LM4040EIM3X-2.5 -
RFQ
ECAD 8609 0.00000000 National Semiconductor - Bulk Active ±2% -40°C ~ 85°C (TA) Surface Mount TO-236-3, SC-59, SOT-23-3 LM4040 - - Fixed 150ppm/°C SOT-23-3 - RoHS non-compliant 1 (Unlimited) REACH Affected EAR99 8542.39.0001 3,000 Shunt 15 mA 2.5V - 35µVrms 70 µA
LM2734ZQMK/NOPB National Semiconductor LM2734ZQMK/NOPB 1.9200
RFQ
ECAD 958 0.00000000 National Semiconductor Automotive, AEC-Q100 Bulk Obsolete -40°C ~ 125°C (TJ) Surface Mount SOT-23-6 Thin, TSOT-23-6 20V Adjustable TSOT-23-6 download ROHS3 Compliant EAR99 8542.39.0001 1,000 Step-Down 1 Buck 3MHz Positive No 1A 0.8V 18V 3V
LM2671N-ADJ/NOPB National Semiconductor LM2671N-ADJ/NOPB -
RFQ
ECAD 4839 0.00000000 National Semiconductor * Bulk Active - RoHS non-compliant Vendor Undefined 2156-LM2671N-ADJ/NOPB-14 1
LP3991TL-1.55/NOPB National Semiconductor LP3991TL-1.55/NOPB -
RFQ
ECAD 5165 0.00000000 National Semiconductor - Bulk Active -40°C ~ 85°C Surface Mount 4-WFBGA, DSBGA LP3991 4V Fixed 4-DSBGA (1x1) download ROHS3 Compliant 1 (Unlimited) REACH Unaffected EAR99 8542.39.0001 250 100 µA 225 µA Enable Positive 300mA 1.55V - 1 0.16V @ 300mA 65dB (1kHz) Over Temperature, Short Circuit
LM2595S-3.3 National Semiconductor LM2595S-3.3 -
RFQ
ECAD 5065 0.00000000 National Semiconductor SIMPLE SWITCHER® Bulk Active -40°C ~ 125°C (TJ) Surface Mount TO-263-6, D²Pak (5 Leads + Tab), TO-263BA LM2595 40V Fixed DDPAK/TO-263-5 - RoHS non-compliant 3 (168 Hours) REACH Affected EAR99 8542.39.0001 1 Step-Down 1 Buck 150kHz Positive No 1A 3.3V - 4.5V
LM1117IDTX-ADJ/NOPB National Semiconductor LM1117IDTX-ADJ/NOPB -
RFQ
ECAD 2923 0.00000000 National Semiconductor - Bulk Active -40°C ~ 125°C Surface Mount TO-252-3, DPak (2 Leads + Tab), SC-63 15V Adjustable TO-252-3 download 0000.00.0000 1 5 mA 10 mA - Positive 800mA 1.25V 13.8V 1 1.2V @ 800mA 75dB (120Hz) Over Current, Over Temperature
LM2575M-ADJ/NOPB National Semiconductor LM2575M-ADJ/NOPB -
RFQ
ECAD 9263 0.00000000 National Semiconductor * Bulk Active - RoHS non-compliant Vendor Undefined 2156-LM2575M-ADJ/NOPB-14 1
LM2577S-12/NOPB National Semiconductor LM2577S-12/NOPB -
RFQ
ECAD 5475 0.00000000 National Semiconductor * Bulk Obsolete - RoHS non-compliant Vendor Undefined 2156-LM2577S-12/NOPB-14 1
LM4041BIZ-1.2/NOPB National Semiconductor LM4041BIZ-1.2/NOPB 0.6300
RFQ
ECAD 9 0.00000000 National Semiconductor - Bulk Active ±0.2% -40°C ~ 85°C (TA) Through Hole TO-226-3, TO-92-3 (TO-226AA) LM4041 - - Fixed 100ppm/°C TO-92-3 download EAR99 8542.39.0001 480 Shunt 12 mA 1.225V - 20µVrms 65 µA
LP2980AIBPX-3.3 National Semiconductor LP2980AIBPX-3.3 0.1900
RFQ
ECAD 6 0.00000000 National Semiconductor - Bulk Obsolete -40°C ~ 125°C Surface Mount 5-VFBGA 16V Fixed 5-µSMD (0.93x1.11) download RoHS non-compliant EAR99 8542.39.0001 3,000 95 µA 1.2 mA Enable Positive 50mA 3.3V - 1 0.22V @ 50mA 63dB (1kHz) Over Current, Over Temperature, Short Circuit
LM4040DIM3-2.5 National Semiconductor LM4040DIM3-2.5 -
RFQ
ECAD 2323 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-LM4040DIM3-2.5-14 1 Shunt 15 mA 2.5V - 35µVrms 70 µA
LM2791LD-L/NOPB-NS National Semiconductor LM2791LD-L/NOPB-NS -
RFQ
ECAD 6999 0.00000000 National Semiconductor - Bulk Active -30°C ~ 85°C (TA) Backlight Surface Mount 10-WFDFN Exposed Pad DC DC Regulator LM2791 650kHz 10-WSON (3x3) - ROHS3 Compliant 3 (168 Hours) REACH Unaffected EAR99 8542.39.0001 1,000 36mA 2 No Switched Capacitor (Charge Pump) 5.8V Analog 3V -
LP3874EMP-1.8/NOPB National Semiconductor LP3874EMP-1.8/NOPB 1.8300
RFQ
ECAD 1 0.00000000 National Semiconductor - Bulk Active -40°C ~ 125°C Surface Mount TO-261-5, TO-261AB 7V Fixed SOT-223 download EAR99 8542.39.0001 164 9 mA 15 mA Enable Positive 800mA 1.8V - 1 0.35V @ 800mA 73dB ~ 57dB (120Hz) Over Current, Over Temperature, Short Circuit
LP3990MF-1.8 National Semiconductor LP3990MF-1.8 -
RFQ
ECAD 8577 0.00000000 National Semiconductor - Bulk Active -40°C ~ 85°C Surface Mount SC-74A, SOT-753 LP3990 6V Fixed SOT-23-5 download RoHS non-compliant 1 (Unlimited) REACH Affected EAR99 8542.39.0001 1,000 80 µA 120 µA Enable Positive 150mA 1.8V - 1 0.2V @ 150mA 55dB ~ 35dB (1kHz ~ 10kHz) Over Temperature, Short Circuit
LM1086CSX-2.5 National Semiconductor LM1086CSX-2.5 -
RFQ
ECAD 4599 0.00000000 National Semiconductor - Bulk Active 0°C ~ 125°C Surface Mount TO-263-4, D²Pak (3 Leads + Tab), TO-263AA 27V Fixed DDPAK/TO-263-3 download Vendor Undefined REACH Affected 2156-LM1086CSX-2.5-14 1 5 mA 10 mA - Positive 1.5A 2.5V - 1 1.5V @ 1.5A 72dB (120Hz) Over Current, Over Temperature, Short Circuit
LP8345CLD-1.8/NOPB National Semiconductor LP8345CLD-1.8/NOPB 0.6600
RFQ
ECAD 20 0.00000000 National Semiconductor - Bulk Obsolete 0°C ~ 125°C Surface Mount 6-WDFN Exposed Pad 10V Fixed 6-WSON (2.92x3.29) download ROHS3 Compliant EAR99 8542.39.0001 1,000 50 µA - Positive 500mA 1.8V - 1 - 55dB (120Hz) Over Current, Over Temperature
LM3502SQ-25/NOPB National Semiconductor LM3502SQ-25/NOPB 1.3100
RFQ
ECAD 3 0.00000000 National Semiconductor * Bulk Active LM3502 download Vendor Undefined REACH Unaffected 2156-LM3502SQ-25/NOPB-14 1
LM2678LD-5.0 National Semiconductor LM2678LD-5.0 1.8900
RFQ
ECAD 3 0.00000000 National Semiconductor SIMPLE SWITCHER® Bulk Obsolete -40°C ~ 125°C (TJ) Surface Mount 14-VDFN Exposed Pad 40V Fixed 14-VSON (6x5) download RoHS non-compliant EAR99 8542.39.0001 250 Step-Down 1 Buck 260kHz Positive No 5A 5V - 8V
LP3961EMPX-2.5 National Semiconductor LP3961EMPX-2.5 1.3800
RFQ
ECAD 9 0.00000000 National Semiconductor - Bulk Active -40°C ~ 125°C Surface Mount TO-261-5, TO-261AB LP3961 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
LM4041DIMX-1.2 National Semiconductor LM4041DIMX-1.2 0.7200
RFQ
ECAD 3 0.00000000 National Semiconductor Automotive, AEC-Q100 Bulk Active ±1% -40°C ~ 85°C (TA) Surface Mount TO-236-3, SC-59, SOT-23-3 LM4041 - - Fixed 150ppm/°C SOT-23-3 download RoHS non-compliant 3 (168 Hours) Vendor Undefined EAR99 8542.39.0001 1 Shunt 12 mA 1.225V - 20µVrms 70 µA
LM385M-NS National Semiconductor LM385M-NS 0.8200
RFQ
ECAD 4 0.00000000 National Semiconductor - Bulk Active ±2% 0°C ~ 70°C (TA) Surface Mount 8-SOIC (0.154", 3.90mm Width) LM385 - - Adjustable 150ppm/°C 8-SOIC download RoHS non-compliant 1 (Unlimited) REACH Affected EAR99 8542.39.0001 1 Shunt 20 mA 1.24V - 50µVrms 55 µA 5.3 V
LP8345CDT-5.0/NOPB National Semiconductor LP8345CDT-5.0/NOPB 0.6700
RFQ
ECAD 1 0.00000000 National Semiconductor - Tube Obsolete 0°C ~ 125°C Surface Mount TO-252-3, DPak (2 Leads + Tab), SC-63 10V Fixed TO-252-3 download ROHS3 Compliant EAR99 8542.39.0001 75 50 µA - Positive 500mA 5V - 1 0.4V @ 500mA 55dB (120Hz) Over Current, Over Temperature
LM317AEMPX/NOPB National Semiconductor LM317AEMPX/NOPB -
RFQ
ECAD 3804 0.00000000 National Semiconductor - Bulk Active -40°C ~ 125°C Surface Mount TO-261-4, TO-261AA LM317 40V Adjustable SOT-223-4 download EAR99 8542.39.0001 1 10 mA - Positive 1.5A 1.25V 37V 1 - 80dB ~ 65dB (120Hz) Over Current, Over Temperature, Short Circuit
LM385AXM-1.2 National Semiconductor LM385AXM-1.2 3.4000
RFQ
ECAD 995 0.00000000 National Semiconductor LM285-1.2 Bulk Active ±2.02% 0°C ~ 70°C (TA) Surface Mount 8-SOIC (0.154", 3.90mm Width) LM385 - - Fixed 20ppm/°C Typical 8-SOIC download RoHS non-compliant 3 (168 Hours) Vendor Undefined EAR99 8542.39.0001 1 Shunt 20 mA 1.235V - 60µVrms 15 µA
LP3972SQE-I514/NOPB National Semiconductor LP3972SQE-I514/NOPB -
RFQ
ECAD 4308 0.00000000 National Semiconductor - Bulk Obsolete -40°C ~ 85°C Processor Surface Mount 40-WFQFN Exposed Pad LP3972 60µA 2.7V ~ 5.5V 40-WQFN (5x5) download ROHS3 Compliant EAR99 8542.39.0001 250
  • 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