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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 Voltage - Supply Supplier Device Package DataSheet RoHS Status Moisture Sensitivity Level (MSL) REACH Status Other Names ECCN HTSUS Standard Package Function Reference Type Number of Outputs Current - Quiescent (Iq) Current - Supply (Max) Topology Frequency - Switching Control Features Output Configuration Synchronous Rectifier 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
LM2679S-3.3-NS National Semiconductor LM2679S-3.3-NS -
RFQ
ECAD 5545 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 1 Step-Down 1 Buck 260kHz Positive No 5A 3.3V - 8V
LP2980IBP-5.0 National Semiconductor LP2980IBP-5.0 0.2700
RFQ
ECAD 2 0.00000000 National Semiconductor - Bulk Active -40°C ~ 125°C Surface Mount 5-VFBGA 16V Fixed 5-µSMD (0.93x1.11) download RoHS non-compliant 1 (Unlimited) REACH Affected EAR99 8542.39.0001 250 95 µA 1.2 mA Enable Positive 50mA 5V - 1 0.22V @ 50mA 63dB (1kHz) Over Current, Over Temperature, Short Circuit
LM4040CIM3-10.0/NOPB National Semiconductor LM4040CIM3-10.0/NOPB -
RFQ
ECAD 5400 0.00000000 National Semiconductor * Bulk Active - RoHS non-compliant Vendor Undefined 2156-LM4040CIM3-10.0/NOPB-14 1
LM2679S-3.3 National Semiconductor LM2679S-3.3 5.3200
RFQ
ECAD 83 0.00000000 National Semiconductor * Bulk Active download Vendor Undefined REACH Affected 2156-LM2679S-3.3-14 1
LM2674LDX-5.0 National Semiconductor LM2674LDX-5.0 1.6000
RFQ
ECAD 1 0.00000000 National Semiconductor SIMPLE SWITCHER® Bulk Active -40°C ~ 125°C (TJ) Surface Mount 16-WFDFN Exposed Pad LM2674 40V Fixed 16-WSON (5x5) download RoHS non-compliant 1 (Unlimited) REACH Affected EAR99 8542.39.0001 4,500 Step-Down 1 Buck 260kHz Positive No 500mA 5V - 6.5V
LP38690SDX-2.5 National Semiconductor LP38690SDX-2.5 0.7200
RFQ
ECAD 4 0.00000000 National Semiconductor - Bulk Active -40°C ~ 125°C (TJ) Surface Mount 6-WDFN Exposed Pad 10V Fixed 6-WSON (3x3) download RoHS non-compliant 1 (Unlimited) REACH Affected EAR99 8542.39.0001 4,500 100 µA - Positive 1A 2.5V - 1 1.3V @ 1A 55dB (120Hz) Over Temperature
LP5990TM-1.8 National Semiconductor LP5990TM-1.8 -
RFQ
ECAD 3835 0.00000000 National Semiconductor - Bulk Active -40°C ~ 85°C Surface Mount 4-WFBGA, DSBGA 5.5V Fixed 4-DSBGA download EAR99 8542.39.0001 1 75 µA Enable Positive 200mA 1.8V - 1 0.25V @ 200mA 55dB (10kHz) Over Current, Over Temperature, Short Circuit
LP5904TMX-3.4/NOPB National Semiconductor LP5904TMX-3.4/NOPB 0.2700
RFQ
ECAD 6 0.00000000 National Semiconductor - Bulk Active -40°C ~ 125°C (TJ) Surface Mount 4-WFBGA, DSBGA 5.5V Fixed 4-DSBGA (0.9x0.9) download ROHS3 Compliant 1 (Unlimited) REACH Unaffected EAR99 8542.39.0001 3,000 20 µA 325 µA Enable Positive 200mA 3.4V - 1 0.15V @ 200mA 88dB ~ 30dB (100Hz ~ 2MHz) Over Temperature, Short Circuit
LP5990TMX-1.2/NOPB National Semiconductor LP5990TMX-1.2/NOPB 0.3200
RFQ
ECAD 3 0.00000000 National Semiconductor - Bulk Active -40°C ~ 85°C Surface Mount 4-WFBGA, DSBGA 5.5V Fixed 4-DSBGA (0.9x0.9) download EAR99 8542.39.0001 944 75 µA Enable Positive 200mA 1.2V - 1 0.25V @ 200mA 55dB (10kHz) Over Current, Over Temperature, Short Circuit
LMS1587CS-1.5/J7001774 National Semiconductor LMS1587CS-1.5/J7001774 -
RFQ
ECAD 1460 0.00000000 National Semiconductor * Bulk Active - Not applicable 1 (Unlimited) REACH Unaffected EAR99 8542.39.0001 1
LM1117MPX-2.5 National Semiconductor LM1117MPX-2.5 -
RFQ
ECAD 4714 0.00000000 National Semiconductor - Bulk Active 0°C ~ 125°C Surface Mount TO-261-4, TO-261AA 15V Fixed SOT-223 download EAR99 8542.39.0001 1 5 mA 10 mA - Positive 800mA 2.5V - 1 1.2V @ 800mA 75dB (120Hz) Over Current, Over Temperature
LM185H-2.5-SMD National Semiconductor LM185H-2.5-SMD -
RFQ
ECAD 8057 0.00000000 National Semiconductor LM185-2.5QML Bulk Active ±1.5% -55°C ~ 125°C (TA) Through Hole TO-46-2 Metal Can LM185 - - Fixed 150ppm/°C TO-46-2, Metal Can download EAR99 8542.39.0001 1 Shunt 20 mA 2.5V - - 20 µA
LM317T/NOPB National Semiconductor LM317T/NOPB -
RFQ
ECAD 4200 0.00000000 National Semiconductor - Bulk Active 0°C ~ 125°C Through Hole TO-220-3 LM317 37V Adjustable TO-220-3 download ROHS3 Compliant 1 (Unlimited) REACH Unaffected EAR99 8542.39.0001 1 - Positive 1.5A 1.25V 37V 1 - 64dB (120Hz) Over Current, Over Temperature, Short Circuit
LM340SX-12 National Semiconductor LM340SX-12 0.6400
RFQ
ECAD 482 0.00000000 National Semiconductor - Bulk Active 0°C ~ 125°C (TA) Surface Mount TO-263-4, D²Pak (3 Leads + Tab), TO-263AA 35V Fixed DDPAK/TO-263-3 download RoHS non-compliant 3 (168 Hours) REACH Affected EAR99 8542.39.0001 500 8 mA - Positive 1A 12V - 1 2V @ 1A 80dB (120Hz) Over Current, Over Temperature, Short Circuit
LP3883ES-1.2 National Semiconductor LP3883ES-1.2 -
RFQ
ECAD 4178 0.00000000 National Semiconductor - Bulk Active -40°C ~ 125°C Surface Mount TO-263-6, D²Pak (5 Leads + Tab), TO-263BA LP3883 5.5V Fixed DDPAK/TO-263-5 - RoHS non-compliant 3 (168 Hours) REACH Affected EAR99 8542.39.0001 1 30 µA 8 mA Enable Positive 3A 1.2V - 1 0.42V @ 3A 80dB ~ 65dB (120Hz ~ 1kHz) Over Current, Over Temperature, Short Circuit
LM3243TMX/NOPB National Semiconductor LM3243TMX/NOPB 0.5400
RFQ
ECAD 1 0.00000000 National Semiconductor - Bulk Active -30°C ~ 90°C Cellular Surface Mount 16-WFBGA, DSBGA LM3243 - 2.7V ~ 5.5V 16-DSBGA download EAR99 8542.39.0001 557
LP2967IBP-2533 National Semiconductor LP2967IBP-2533 0.9300
RFQ
ECAD 500 0.00000000 National Semiconductor - Bulk Active -40°C ~ 125°C Surface Mount 8-VFBGA 16V Fixed 8-uSMD download RoHS non-compliant 1 (Unlimited) REACH Affected EAR99 8542.39.0001 250 300 µA 5 mA Enable Positive 150mA 2.5V, 3.3V - 2 0.42V @ 150mA 52dB ~ 70dB (120Hz ~ 1MHz) Over Current, Over Temperature, Short Circuit
LP38856T-0.8/NOPB National Semiconductor LP38856T-0.8/NOPB 1.8100
RFQ
ECAD 178 0.00000000 National Semiconductor - Bulk Active -40°C ~ 125°C Through Hole TO-220-5 Formed Leads LP38856 5.5V Fixed TO-220-5 download ROHS3 Compliant 1 (Unlimited) REACH Unaffected EAR99 8542.39.0001 1 300 µA 15 mA Enable Positive 3A 0.8V - 1 0.45V @ 3A 80dB ~ 65dB (120Hz ~ 1kHz) Over Current, Over Temperature, Short Circuit, Under Voltage Lockout (UVLO)
LM4040DIM-4.1 National Semiconductor LM4040DIM-4.1 -
RFQ
ECAD 9482 0.00000000 National Semiconductor - Bulk Active ±1% -25°C ~ 85°C (TA) Surface Mount 8-SOIC (0.154", 3.90mm Width) LM4040 - - Fixed ±150ppm/°C 8-SOIC download RoHS non-compliant 3 (168 Hours) Vendor Undefined EAR99 8542.39.0001 1 Shunt 25 mA 4.096V - 80µVrms 88 µA
LM2676SX-5.0/NOPB National Semiconductor LM2676SX-5.0/NOPB -
RFQ
ECAD 2495 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 EAR99 8542.39.0001 1 Step-Down 1 Buck 260kHz Positive No 3A 5V - 8V
LP2980IM5X-3.3 National Semiconductor LP2980IM5X-3.3 0.4900
RFQ
ECAD 17 0.00000000 National Semiconductor - Bulk Active -40°C ~ 125°C Surface Mount SC-74A, SOT-753 LP2980 16V Fixed SOT-23-5 download RoHS non-compliant 1 (Unlimited) REACH Affected 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
LMR12010YMK/NOPB National Semiconductor LMR12010YMK/NOPB 1.6500
RFQ
ECAD 764 0.00000000 National Semiconductor SIMPLE SWITCHER® Bulk Active -40°C ~ 125°C (TJ) Surface Mount SOT-23-6 Thin, TSOT-23-6 20V Adjustable SOT-23-THIN download EAR99 8542.39.0001 1 Step-Down 1 Buck 3MHz Positive No 1A 0.8V 17V 3V
LP2980IM5X-4.5 National Semiconductor LP2980IM5X-4.5 0.1200
RFQ
ECAD 48 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 3,000 110 µA 850 µA Enable Positive 50mA 4.5V - 1 - 63dB (1kHz) Over Current, Over Temperature, Short Circuit
LP3985IM5-3.2/NOPB National Semiconductor LP3985IM5-3.2/NOPB -
RFQ
ECAD 8406 0.00000000 National Semiconductor - Bulk Active -40°C ~ 125°C Surface Mount SC-74A, SOT-753 6V Fixed SOT-23-5 download EAR99 8542.39.0001 1 150 µA 250 µA Enable Positive 150mA 3.2V - 1 0.1V @ 150mA 50dB ~ 40dB (1kHz ~ 10kHz) Over Current, Over Temperature, Short Circuit
LM4128CQ1MF3.0 National Semiconductor LM4128CQ1MF3.0 -
RFQ
ECAD 1393 0.00000000 National Semiconductor Automotive, AEC-Q100 Bulk Active ±0.5% -40°C ~ 125°C (TJ) Surface Mount SC-74A, SOT-753 LM4128 100µA 3.4V ~ 5.5V Fixed 100ppm/°C SOT-23-5 download Vendor Undefined REACH Affected 2156-LM4128CQ1MF3.0-14 0000.00.0000 1 Series 20 mA 3V 285µVp-p -
LM2990T-15/NOPB National Semiconductor LM2990T-15/NOPB -
RFQ
ECAD 8590 0.00000000 National Semiconductor - Bulk Active -40°C ~ 125°C Through Hole TO-220-3 -26V Fixed TO-220-3 download 0000.00.0000 1 1 mA 5 mA - Negative 1.8A -15V - 1 1V @ 1A 52dB (1kHz) Over Temperature, Short Circuit
LP3987ITLX-2.5/NOPB National Semiconductor LP3987ITLX-2.5/NOPB 0.2400
RFQ
ECAD 17 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 3,000 120 µA 200 µA Enable Positive 150mA 2.5V - 1 0.1V @ 150mA 50dB ~ 10dB (10kHz) Over Current, Over Temperature, Short Circuit
LP3856ET-1.8 National Semiconductor LP3856ET-1.8 3.0400
RFQ
ECAD 270 0.00000000 National Semiconductor - Bulk Active -40°C ~ 125°C (TJ) Through Hole TO-220-5 Formed Leads 7V Fixed TO-220-5 download RoHS non-compliant 1 (Unlimited) REACH Affected EAR99 8542.39.0001 1 10 mA 10 mA Enable, Error Flag Positive 3A 1.8V - 1 - 73dB ~ 57dB (120Hz) Over Current, Over Temperature, Short Circuit
LP2981AIBP-2.5 National Semiconductor LP2981AIBP-2.5 0.2200
RFQ
ECAD 3 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 250 95 µA 1.7 mA Enable Positive 100mA 2.5V - 1 0.37V @ 100mA 63dB (1kHz) Over Current, Over Temperature, Short Circuit
LP3923TL-VB/NOPB National Semiconductor LP3923TL-VB/NOPB 1.0800
RFQ
ECAD 6 0.00000000 National Semiconductor * Bulk Active LP3923 download Vendor Undefined REACH Unaffected 2156-LP3923TL-VB/NOPB-14 1
  • 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