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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 Voltage - Supply Supplier Device Package DataSheet RoHS Status 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 Voltage/Current - Output 1 Voltage/Current - Output 2 Voltage/Current - Output 3 w/LED Driver w/Supervisor w/Sequencer
LM4040DIM3-2.0/NOPB National Semiconductor LM4040DIM3-2.0/NOPB 0.3300
RFQ
ECAD 209 0.00000000 National Semiconductor - Bulk Obsolete ±1% -40°C ~ 85°C (TA) Surface Mount TO-236-3, SC-59, SOT-23-3 LM4040 - - Fixed 150ppm/°C SOT-23-3 download ROHS3 Compliant EAR99 8542.39.0001 1,000 Shunt 15 mA 2.048V - 35µVrms 70 µA
LP2981IM5-2.7/NOPB National Semiconductor LP2981IM5-2.7/NOPB 0.4200
RFQ
ECAD 9 0.00000000 National Semiconductor - Bulk Obsolete -40°C ~ 125°C Surface Mount SC-74A, SOT-753 16V Fixed SOT-23-5 download ROHS3 Compliant EAR99 8542.39.0001 1,000 95 µA 1.7 mA Enable Positive 100mA 2.7V - 1 0.37V @ 100mA 63dB (1kHz) Over Current, Over Temperature, Short Circuit
LP2951CN-3.3 National Semiconductor LP2951CN-3.3 -
RFQ
ECAD 1347 0.00000000 National Semiconductor - Tube Obsolete -40°C ~ 125°C (TJ) Through Hole 8-DIP (0.300", 7.62mm) 30V Fixed 8-PDIP - RoHS non-compliant EAR99 8542.39.0001 50 200 µA 14 mA Enable, Error Flag, Power On Reset Positive 100mA 3.3V - 1 0.6V @ 100mA Over Temperature
LM3520SD/NOPB National Semiconductor LM3520SD/NOPB 1.6500
RFQ
ECAD 1 0.00000000 National Semiconductor - Bulk Obsolete -40°C ~ 85°C (TA) Backlight Surface Mount 14-WFDFN Exposed Pad DC DC Regulator LM3520 1.1MHz 14-WSON (4x3) download ROHS3 Compliant EAR99 8542.39.0001 1,000 700mA (Switch) 2 Yes Step-Up (Boost) 5.5V PWM 2.7V 22.5V ~ 23.2V
LM2679LD-3.3 National Semiconductor LM2679LD-3.3 2.0000
RFQ
ECAD 1 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 3.3V - 8V
LM3460M5-1.2 National Semiconductor LM3460M5-1.2 0.5100
RFQ
ECAD 19 0.00000000 National Semiconductor - Bulk Obsolete 0°C ~ 70°C GTA, GTA+ Surface Mount SC-74A, SOT-753 LM3460 85µA 3V ~ 3.6V SOT-23-5 download RoHS non-compliant EAR99 8542.39.0001 1,000
LP2981IBPX-3.2 National Semiconductor LP2981IBPX-3.2 0.2200
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 1.7 mA Enable Positive 100mA 3.2V - 1 0.37V @ 100mA 63dB (1kHz) Over Current, Over Temperature, Short Circuit
LM2670LD-ADJ National Semiconductor LM2670LD-ADJ 1.2500
RFQ
ECAD 2 0.00000000 National Semiconductor SIMPLE SWITCHER® Bulk Obsolete -40°C ~ 125°C (TJ) Surface Mount 14-VDFN Exposed Pad 40V Adjustable 14-VSON (6x5) download RoHS non-compliant EAR99 8542.39.0001 250 Step-Down 1 Buck 260kHz Positive No 3A 1.2V 37V 8V
LM2678LD-12 National Semiconductor LM2678LD-12 2.0900
RFQ
ECAD 750 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 12V - 8V
LM2671LD-3.3/NOPB National Semiconductor LM2671LD-3.3/NOPB -
RFQ
ECAD 1253 0.00000000 National Semiconductor SIMPLE SWITCHER® Bulk Obsolete -40°C ~ 125°C (TJ) Surface Mount 16-WFDFN Exposed Pad 40V Fixed 16-WSON (5x5) download ROHS3 Compliant EAR99 8542.39.0001 1,000 Step-Down 1 Buck 260kHz Positive No 500mA 3.3V - 6.5V
LM2677LD-12 National Semiconductor LM2677LD-12 2.2000
RFQ
ECAD 750 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 12V - 8V
LM2686MTCX/NOPB National Semiconductor LM2686MTCX/NOPB 1.3500
RFQ
ECAD 2 0.00000000 National Semiconductor - Bulk Obsolete -40°C ~ 85°C Surface Mount 14-TSSOP (0.173", 4.40mm Width) 2.85V ~ 6.5V 14-TSSOP download ROHS3 Compliant EAR99 8542.39.0001 2,500 2 Charge Pump (1), Linear (LDO) (1) 130kHz ±5V, 5.7V ~ 10.8V, 50mA 5V, 50mA - No No No
LM27964SQ-A National Semiconductor LM27964SQ-A 2.6100
RFQ
ECAD 1 0.00000000 National Semiconductor - Bulk Obsolete -30°C ~ 85°C (TA) Backlight Surface Mount 24-WFQFN Exposed Pad DC DC Regulator LM27964 700kHz 24-WQFN (4x4) download RoHS non-compliant EAR99 8542.39.0001 1,000 30mA, 80mA 7 Yes Switched Capacitor (Charge Pump) 5.5V I²C 2.7V 2V ~ 4V
LM2676LD-3.3 National Semiconductor LM2676LD-3.3 1.7800
RFQ
ECAD 12 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 3A 3.3V - 8V
LP2950CZ-3.3/LFT1 National Semiconductor LP2950CZ-3.3/LFT1 0.2300
RFQ
ECAD 5523 0.00000000 National Semiconductor - Bulk Obsolete -40°C ~ 125°C Through Hole TO-226-3, TO-92-3 (TO-226AA) 30V Fixed TO-92-3 download ROHS3 Compliant EAR99 8542.39.0001 2,000 120 µA 14 mA - Positive 100mA 3.3V - 1 0.6V @ 100mA - Over Current, Over Temperature
LM2595T-ADJ/LF02 National Semiconductor LM2595T-ADJ/LF02 -
RFQ
ECAD 1131 0.00000000 National Semiconductor SIMPLE SWITCHER® Tube Obsolete -40°C ~ 125°C (TJ) Through Hole TO-220-5 Formed Leads 40V Adjustable TO-220-5 download ROHS3 Compliant EAR99 8542.39.0001 45 Step-Down 1 Buck 150kHz Positive No 1A 1.2V 37V 4.5V
LM2746MXA/NOPB National Semiconductor LM2746MXA/NOPB 1.6500
RFQ
ECAD 232 0.00000000 National Semiconductor - Tube Obsolete -40°C ~ 125°C (TJ) Surface Mount 14-PowerTSSOP (0.173", 4.40mm Width) LM2746 Transistor Driver 14-HTSSOP download ROHS3 Compliant EAR99 8542.39.0001 94 Step-Down 3V ~ 5.5V 1 Buck 50kHz ~ 1MHz Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking Positive 1 80% Yes No -
LM2671LD-12/NOPB National Semiconductor LM2671LD-12/NOPB 0.8800
RFQ
ECAD 1 0.00000000 National Semiconductor SIMPLE SWITCHER® Bulk Obsolete -40°C ~ 125°C (TJ) Surface Mount 16-WFDFN Exposed Pad 40V Fixed 16-WSON (5x5) download ROHS3 Compliant EAR99 8542.39.0001 1,000 Step-Down 1 Buck 260kHz Positive No 500mA 12V - 6.5V
LP2985AIM5-3.2/NOPB National Semiconductor LP2985AIM5-3.2/NOPB 0.1900
RFQ
ECAD 8482 0.00000000 National Semiconductor - Bulk Obsolete -40°C ~ 125°C Surface Mount SC-74A, SOT-753 16V Fixed SOT-23-5 download ROHS3 Compliant EAR99 8542.39.0001 1,000 95 µA 2.5 mA Enable Positive 150mA 3.2V - 1 0.58V @ 150mA 45dB (1kHz) Over Current, Over Temperature, Short Circuit
LM2770SD-12157/NOPB National Semiconductor LM2770SD-12157/NOPB 0.6400
RFQ
ECAD 13 0.00000000 National Semiconductor - Bulk Obsolete -30°C ~ 85°C (TA) Surface Mount 10-WFDFN Exposed Pad 5.5V Programmable 10-WSON (3x3) download ROHS3 Compliant EAR99 8542.39.0001 1,000 Step-Down 1 Charge Pump 700kHz Positive No 250mA 1.2V, 1.58V - 2.7V
LM4040CIM3X-2.0/NOPB National Semiconductor LM4040CIM3X-2.0/NOPB 0.4100
RFQ
ECAD 2 0.00000000 National Semiconductor - Bulk Obsolete ±0.5% -40°C ~ 85°C (TA) Surface Mount TO-236-3, SC-59, SOT-23-3 LM4040 - - Fixed 100ppm/°C SOT-23-3 download ROHS3 Compliant EAR99 8542.39.0001 3,000 Shunt 15 mA 2.048V - 35µVrms 65 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
LM4040EEM3-2.0 National Semiconductor LM4040EEM3-2.0 0.1800
RFQ
ECAD 2 0.00000000 National Semiconductor - Bulk Obsolete ±2% -40°C ~ 125°C (TA) Surface Mount TO-236-3, SC-59, SOT-23-3 LM4040 - - Fixed 150ppm/°C SOT-23-3 download RoHS non-compliant EAR99 8542.39.0001 1,000 Shunt 15 mA 2.048V - 35µVrms 73 µA
LM4041CIM-1.2 National Semiconductor LM4041CIM-1.2 0.9300
RFQ
ECAD 9 0.00000000 National Semiconductor Automotive, AEC-Q100 Bulk Obsolete ±0.5% -40°C ~ 85°C (TA) Surface Mount TO-236-3, SC-59, SOT-23-3 LM4041 - - Fixed 100ppm/°C SOT-23-3 download RoHS non-compliant EAR99 8542.39.0001 95 Shunt 12 mA 1.225V - 20µVrms 65 µA
LM2595T-5.0/LF02 National Semiconductor LM2595T-5.0/LF02 -
RFQ
ECAD 7699 0.00000000 National Semiconductor SIMPLE SWITCHER® Tube Obsolete -40°C ~ 125°C (TJ) Through Hole TO-220-5 Formed Leads 40V Fixed TO-220-5 download ROHS3 Compliant EAR99 8542.39.0001 45 Step-Down 1 Buck 150kHz Positive No 1A 5V - 4.5V
LP2981IM5-2.9 National Semiconductor LP2981IM5-2.9 0.2200
RFQ
ECAD 53 0.00000000 National Semiconductor - Bulk Obsolete -40°C ~ 125°C Surface Mount SC-74A, SOT-753 16V Fixed SOT-23-5 download RoHS non-compliant EAR99 8542.39.0001 1,000 95 µA 1.7 mA Enable Positive 100mA 2.9V - 1 0.37V @ 100mA 63dB (1kHz) Over Current, Over Temperature, Short Circuit
LM810M3X-2.93 National Semiconductor LM810M3X-2.93 0.2900
RFQ
ECAD 6689 0.00000000 National Semiconductor - Bulk Obsolete -40°C ~ 105°C (TA) Surface Mount TO-236-3, SC-59, SOT-23-3 Simple Reset/Power-On Reset LM810 Push-Pull, Totem Pole SOT-23-3 download RoHS non-compliant EAR99 8542.39.0001 3,000 Active High 1 2.93V 140ms Minimum
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
LM2677LD-ADJ National Semiconductor LM2677LD-ADJ 2.2700
RFQ
ECAD 2 0.00000000 National Semiconductor SIMPLE SWITCHER® Bulk Obsolete -40°C ~ 125°C (TJ) Surface Mount 14-VDFN Exposed Pad 40V Adjustable 14-VSON (6x5) download RoHS non-compliant EAR99 8542.39.0001 250 Step-Down 1 Buck 260kHz Positive No 5A 1.2V 37V 8V
LP3965ET-3.3/LB04 National Semiconductor LP3965ET-3.3/LB04 1.8700
RFQ
ECAD 1 0.00000000 National Semiconductor - Tube Obsolete -40°C ~ 125°C Through Hole TO-220-5 Formed Leads 7V Fixed TO-220-5 download RoHS non-compliant EAR99 8542.39.0001 45 9 mA 15 mA Enable Positive 1.5A 3.3V - 1 0.55V @ 1.5A - 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