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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 Voltage - Supply (Vcc/Vdd) Number of Outputs 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 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 Voltage/Current - Output 1 Voltage/Current - Output 2 Voltage/Current - Output 3 w/LED Driver w/Supervisor w/Sequencer
LP38690DT-5.0/NOPB National Semiconductor LP38690DT-5.0/NOPB 1.1000
RFQ
ECAD 1 0.00000000 National Semiconductor - Bulk Active -40°C ~ 125°C Surface Mount TO-252-3, DPak (2 Leads + Tab), SC-63 10V Fixed TO-252-3 download EAR99 8542.39.0001 273 55 µA 100 µA - Positive 1A 5V - 1 0.8V @ 1A 55dB (120Hz) Over Temperature
LM3687TL-1812 National Semiconductor LM3687TL-1812 -
RFQ
ECAD 4900 0.00000000 National Semiconductor LM3687 Bulk Active -30°C ~ 125°C Surface Mount 9-WFBGA 2.7V ~ 5.5V 9-TuSMD (1.54x1.54) download ROHS3 Compliant 1 (Unlimited) REACH Unaffected EAR99 8542.39.0001 250 2 Step-Down (Buck) Synchronous (1), Linear (LDO) (1) 1.8MHz 1.8V, 400mA Fixed, Fixed, 1.2V, 350mA Fixed, Fixed No No No
LM5642MH National Semiconductor LM5642MH -
RFQ
ECAD 7773 0.00000000 National Semiconductor - Bulk Active -40°C ~ 125°C (TJ) Surface Mount 28-TSSOP (0.173", 4.40mm Width) Exposed Pad LM5642 Transistor Driver 28-HTSSOP download EAR99 8542.39.0001 1 Step-Down 4.5V ~ 36V 2 Buck 200kHz Current Limit, Enable, Soft Start, Sync Positive 2 98.9% Yes Yes -
LM2750SDX-ADJ/NOPB National Semiconductor LM2750SDX-ADJ/NOPB -
RFQ
ECAD 1375 0.00000000 National Semiconductor - Bulk Active -40°C ~ 125°C (TA) Surface Mount 10-WFDFN Exposed Pad 5.6V Adjustable 10-WSON (3x3) download EAR99 8542.39.0001 1 Step-Up 1 Charge Pump 1.7MHz Positive No 120mA 3.8V 5.2V 2.7V
LM2576S-ADJ National Semiconductor LM2576S-ADJ -
RFQ
ECAD 9990 0.00000000 National Semiconductor SIMPLE SWITCHER® Bulk Active -40°C ~ 125°C (TJ) Surface Mount TO-263-6, D²Pak (5 Leads + Tab), TO-263BA LM2576 40V Adjustable DDPAK/TO-263-5 download EAR99 8542.39.0001 1 Step-Down, Step-Up/Step-Down 1 Buck, Buck-Boost 52kHz Positive or Negative No 3A 1.23V 37V 3V
LP2951CN National Semiconductor LP2951CN 0.4800
RFQ
ECAD 3 0.00000000 National Semiconductor - Bulk Active -40°C ~ 125°C Through Hole 8-DIP (0.300", 7.62mm) LP295 30V Adjustable (Fixed) 8-PDIP download RoHS non-compliant 1 (Unlimited) REACH Affected EAR99 8542.39.0001 1 120 µA 12 mA - Positive 100mA 1.235V (5V) 30V 1 0.45V @ 100mA - Over Current, Over Temperature
LM3431AMHX/NOPB National Semiconductor LM3431AMHX/NOPB -
RFQ
ECAD 9181 0.00000000 National Semiconductor - Bulk Active -40°C ~ 125°C (TJ) Backlight Surface Mount 28-PowerTSSOP (0.173", 4.40mm Width) DC DC Controller LM3431 1MHz 28-HTSSOP download 0000.00.0000 1 - 3 No Step-Up (Boost) 36V Analog, PWM 4.5V -
LM25085MY/NOPB National Semiconductor LM25085MY/NOPB -
RFQ
ECAD 7989 0.00000000 National Semiconductor - Bulk Active -40°C ~ 125°C (TJ) Surface Mount 8-PowerTSSOP, 8-MSOP (0.118", 3.00mm Width) LM25085 Transistor Driver 8-HVSSOP download EAR99 8542.39.0001 1 Step-Down 4.5V ~ 42V 1 Buck Up to 1MHz Current Limit, Frequency Control Positive 1 100% No No -
LM2593HVS-3.3/NOPB National Semiconductor LM2593HVS-3.3/NOPB -
RFQ
ECAD 1056 0.00000000 National Semiconductor * Bulk Active - RoHS non-compliant Vendor Undefined 2156-LM2593HVS-3.3/NOPB-14 1
LM340AK-12 National Semiconductor LM340AK-12 -
RFQ
ECAD 2864 0.00000000 National Semiconductor LM340A Bulk Active 0°C ~ 125°C (TA) Through Hole TO-204AA, TO-3 35V Fixed TO-3-2 download RoHS non-compliant 3 (168 Hours) Vendor Undefined EAR99 8542.39.0001 1 6.5 mA - Positive 1.5A 12V - 1 2V @ 1A 72dB (120Hz) Over Current, Over Temperature, Short Circuit
LM431CIM3X/NOPB National Semiconductor LM431CIM3X/NOPB -
RFQ
ECAD 8439 0.00000000 National Semiconductor - Bulk Active -0.6%, +0.4% -40°C ~ 85°C (TA) Surface Mount TO-236-3, SC-59, SOT-23-3 LM431 - - Adjustable 50ppm/°C Typical SOT-23-3 download 0000.00.0000 1 Shunt 100 mA 2.5V - - 1 mA 37 V
LP2983IM5X-1.2/NOPB National Semiconductor LP2983IM5X-1.2/NOPB 0.7300
RFQ
ECAD 3 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 95 µA 2 mA Enable Positive 150mA 1.2V - 1 - 65dB (1kHz) Over Current, Over Temperature, Short Circuit
LM1949N National Semiconductor LM1949N -
RFQ
ECAD 5867 0.00000000 National Semiconductor - Bulk Active -40°C ~ 125°C Automotive Through Hole 8-DIP (0.300", 7.62mm) LM1949 28mA 3V ~ 5.5V 8-PDIP - RoHS non-compliant 1 (Unlimited) REACH Affected EAR99 8542.39.0001 1
LM723CH National Semiconductor LM723CH 8.8200
RFQ
ECAD 1 0.00000000 National Semiconductor - Bulk Active 0°C ~ 70°C Through Hole TO-100-10 Metal Can 40V Adjustable TO-100-10 download Vendor Undefined REACH Affected 2156-LM723CH-14 1 Current Limit, Frequency Control Positive 150mA 2V 37V 1 - 86dB ~ 74dB (50Hz ~ 10kHz) Short Circuit
LM2766M6X/NOPB National Semiconductor LM2766M6X/NOPB 0.4800
RFQ
ECAD 770 0.00000000 National Semiconductor - Bulk Active -40°C ~ 85°C (TA) Surface Mount SOT-23-6 LM2766 5.5V Fixed SOT-23-6 download EAR99 8542.39.0001 1 Ratiometric 1 Charge Pump 200kHz Positive No 20mA 2Vin - 1.8V
LM3670MF-3.3 National Semiconductor LM3670MF-3.3 -
RFQ
ECAD 2201 0.00000000 National Semiconductor - Bulk Active -40°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 1MHz Positive Yes 350mA 3.3V - 2.5V
LP38511TSX-1.8/NOPB National Semiconductor LP38511TSX-1.8/NOPB 0.6800
RFQ
ECAD 12 0.00000000 National Semiconductor - Bulk Active -40°C ~ 125°C Surface Mount TO-263-6, D²Pak (5 Leads + Tab), TO-263BA LP38511 5.5V Fixed DDPAK/TO-263-5 download ROHS3 Compliant 3 (168 Hours) REACH Unaffected EAR99 8542.39.0001 500 3.5 µA 13 mA Enable Positive 800mA 1.8V - 1 0.26V @ 800mA 73dB ~ 70dB (120Hz ~ 1kHz) Over Current, Over Temperature, Short Circuit
LP3985IBP-3.1 National Semiconductor LP3985IBP-3.1 0.2800
RFQ
ECAD 2653 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 3.1V - 1 0.1V @ 150mA 50dB ~ 40dB (1kHz ~ 10kHz) Over Current, Over Temperature, Short Circuit
LM3524DN National Semiconductor LM3524DN 0.7200
RFQ
ECAD 9379 0.00000000 National Semiconductor - Bulk Active 0°C ~ 125°C (TJ) Through Hole 16-DIP (0.300", 7.62mm) LM3524 Transistor Driver 16-PDIP download RoHS non-compliant 1 (Unlimited) REACH Affected EAR99 8542.39.0001 1 Step-Up, Step-Down 8V ~ 40V 1 Buck, Boost - Current Limit, Enable, Frequency Control Positive or Negative 1 49% No No -
LM3424QMH/NOPB National Semiconductor LM3424QMH/NOPB -
RFQ
ECAD 1808 0.00000000 National Semiconductor Automotive, AEC-Q100 Bulk Active -40°C ~ 125°C (TJ) - Surface Mount 20-PowerTSSOP (0.173", 4.40mm Width) DC DC Controller LM3424 2MHz 20-HTSSOP download 0000.00.0000 1 - 1 No Flyback, SEPIC, Step-Down (Buck), Step-Up (Boost) 75V Analog, PWM 4.5V -
LP3961ES-5.0 National Semiconductor LP3961ES-5.0 -
RFQ
ECAD 4775 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 RoHS non-compliant 3 (168 Hours) REACH Affected EAR99 8542.39.0001 1 9 mA 15 mA Enable Positive 800mA 5V - 1 0.35V @ 800mA - Over Current, Over Temperature, Short Circuit
LP3987ITL-2.85 National Semiconductor LP3987ITL-2.85 -
RFQ
ECAD 5794 0.00000000 National Semiconductor - Bulk Obsolete -40°C ~ 125°C (TJ) Surface Mount 5-WFBGA, DSBGA 6V Fixed 5-DSBGA (1.5x1.2) - 2156-LP3987ITL-2.85 1 120 µA 200 µA Enable Positive 150mA 2.85V - 1 0.1V @ 150mA 50dB ~ 10dB (10kHz) Over Current, Over Temperature, Short Circuit
LM2574HVM-5.0 National Semiconductor LM2574HVM-5.0 -
RFQ
ECAD 5245 0.00000000 National Semiconductor * Bulk Active download Vendor Undefined REACH Affected 2156-LM2574HVM-5.0-14 1
LM2595S-3.3/NOPB National Semiconductor LM2595S-3.3/NOPB -
RFQ
ECAD 1252 0.00000000 National Semiconductor * Bulk Active - RoHS non-compliant Vendor Undefined 2156-LM2595S-3.3/NOPB-14 1
LM2587S-12/NOPB National Semiconductor LM2587S-12/NOPB 8.5700
RFQ
ECAD 6 0.00000000 National Semiconductor SIMPLE SWITCHER® Bulk Active -40°C ~ 125°C (TJ) Surface Mount TO-263-6, D²Pak (5 Leads + Tab), TO-263BA LM2587 40V Fixed DDPAK/TO-263-5 download EAR99 8542.39.0001 36 Step-Up, Step-Up/Step-Down 1 Boost, Flyback, Forward Converter 100kHz Positive No 5A (Switch) 12V - 4V
LP2992IM5X-1.8 National Semiconductor LP2992IM5X-1.8 0.2500
RFQ
ECAD 3 0.00000000 National Semiconductor - Bulk Active -40°C ~ 125°C Surface Mount SC-74A, SOT-753 LP2992 16V Fixed SOT-23-5 download RoHS non-compliant 1 (Unlimited) REACH Affected EAR99 8542.39.0001 3,000 95 µA 4 mA Enable Positive 250mA 1.8V - 1 0.85V @ 250mA 45dB (1kHz) Over Current, Over Temperature, Short Circuit
LP3971SQ-G824/NOPB National Semiconductor LP3971SQ-G824/NOPB 3.1500
RFQ
ECAD 2 0.00000000 National Semiconductor - Bulk Active -40°C ~ 85°C (TA) Processor Surface Mount 40-WFQFN Exposed Pad LP3971 60µA 2.7V ~ 5.5V 40-WQFN (5x5) download ROHS3 Compliant 1 (Unlimited) REACH Unaffected EAR99 8542.39.0001 1,000
LM2599SX-12/NOPB National Semiconductor LM2599SX-12/NOPB -
RFQ
ECAD 1588 0.00000000 National Semiconductor * Bulk Active - RoHS non-compliant Vendor Undefined 2156-LM2599SX-12/NOPB-14 1
LM2651MTCX-3.3/NOPB National Semiconductor LM2651MTCX-3.3/NOPB 2.0600
RFQ
ECAD 4 0.00000000 National Semiconductor - Bulk Active -40°C ~ 125°C (TJ) Surface Mount 16-TSSOP (0.173", 4.40mm Width) LM2651 14V Fixed 16-TSSOP download EAR99 8542.39.0001 146 Step-Down 1 Buck 300kHz Positive Yes 1.5A 3.3V - 4V
LP3965EMP-ADJ-NS National Semiconductor LP3965EMP-ADJ-NS 2.9000
RFQ
ECAD 3 0.00000000 National Semiconductor - Bulk Active -40°C ~ 125°C Surface Mount TO-261-5, TO-261AB 7V Adjustable SOT-223 download RoHS non-compliant 1 (Unlimited) REACH Affected EAR99 8542.39.0001 1,000 9 mA 15 mA Enable Positive 1.5A 1.216V 5.1V 1 0.55V @ 1.5A 60dB ~ 40dB (120Hz) Over Current, Over Temperature, Short Circuit
  • 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