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Categories Integrated Circuits (ICs) Interface - Drivers, Receivers, Transceivers Manufacturer Maxim Integrated Series - Packaging  Tube  Part Status Active Type Transceiver Protocol RS422, RS485 Number of Drivers/Receivers 1/1 Duplex Half Receiver Hysteresis 70mV Data Rate 250kbps Voltage - Supply 4.75 V ~ 5.25 V Operating Temperature 0°C ~ 70°C Mounting Type Through Hole Package / Case 8-DIP (0.300", 7.62mm) Supplier Device Package 8-PDIP Base Part Number MAX487 Product Numbers for Second-Sourced Parts Second-source products follow the most widely accepted numbering system for that particular part, rather than our own convention. This includes the original designators for product grade, temperature range, package type, and number of pins. Maxim frequently supplies second-source products in packages or temperature ranges that are not supplied by other manufacturers. Whenever possible, these devices are given part numbers that follow the original numbering ...

CategoriesIntegrated Circuits (ICs) PMIC - Voltage Regulators - Linear Manufacturer Texas Instruments Series- Packaging Digi-Reel® Part StatusDiscontinued at Digi-Key Output ConfigurationPositive Output TypeFixed Number of Regulators1 Voltage - Input (Max)7.5V Voltage - Output (Min/Fixed)3.3V Voltage - Output (Max)- Voltage Dropout (Max)0.2V @ 100mA Current - Output 1A PSRR- Control Features- Protection Features Over Temperature, Short Circuit Operating Temperature-40°C ~ 125°C Mounting Type Surface Mount Package / Case TO-261-4, TO-261AA Supplier Device PackageS OT-223-4 Base Part Number LM3940 It is important to note that for most capacitors, ESR is specified only at room temperature. However, the designer must ensure that the ESR will stay inside the limits shown over the entire operating temperature range for the design. For aluminum electrolytic capacitors, ESR will increase by about 30X as the temperature is reduced from 25°C to −...

Categories Integrated Circuits (ICs) PMIC - Voltage Regulators - Linear Manufacturer Texas Instruments Series- Packaging Cut Tape (CT) Part Status Discontinued at Digi-Key Output ConfigurationPositive Output Type Fixed Number of Regulators 1 Voltage - Input (Max)7.5V Voltage - Output (Min/Fixed)3.3V Voltage - Output (Max)- Voltage Dropout (Max)0.2V @ 100mA Current - Output 1A PSRR- Control Features- Protection Features Over Temperature, Short Circuit Operating Temperature-40°C ~ 125°C Mounting Type Surface Mount Package / Case TO-261-4, TO-261AA Supplier Device PackageS OT-223-4 Base Part Number LM3940 Description The LM3940 is a 1-A low-dropout regulator designed to provide 3.3 V from a 5-V supply. The LM3940 is ideally suited for systems which contain both 5-V and 3.3-V logic, with prime power provided from a 5-V bus. Because the LM3940 is a true low dropout regulator, it can hold its 3.3-V output in regulation with input voltages as...

Categories Integrated Circuits (ICs) PMIC - Voltage Regulators - Linear Manufacturer Texas Instruments Series- Packaging Tape & Reel (TR) Part StatusNot For New Designs Output ConfigurationPositive Output Type Fixed Number of Regulators 1 Voltage - Input (Max)7.5V Voltage - Output (Min/Fixed)3.3V Voltage - Output (Max)- Voltage Dropout (Max)0.2V @ 100mA Current - Output1A PSRR- Control Features- Protection Features Over Temperature, Short Circuit Operating Temperature -40°C ~ 125°C Mounting Type Surface Mount Package / Case TO-261-4, TO-261AA Supplier Device PackageS OT-223-4 Base Part Number LM3940 The LM3940 contains a thermal shutdown protection circuit to turn off the output current when excessive heat is dissipated in the LDO. The thermal time-constant of the semiconductor die is fairly short, and thus the output cycles on and off at a high rate when thermal shutdown is reached until the power dissipation is reduced. The intern...

Categories Integrated Circuits (ICs) PMIC - Voltage Regulators - Linear Manufacturer Texas Instruments Series- Packaging Digi-Reel® Part Status Active Output ConfigurationPositive Output Type Fixed Number of Regulators 1 Voltage - Input (Max) 7.5V Voltage - Output (Min/Fixed) 3.3V Voltage - Output (Max)- Voltage Dropout (Max) 0.2V @ 100mA Current - Output 1A PSRR- Control Features- Protection Features Over Temperature, Short Circuit Operating Temperature-40°C ~ 125°C Mounting Type Surface Mount Package / Case TO-261-4, TO-261AA Supplier Device PackageS OT-223-4 Base Part Number LM3940 For best overall performance, place all the circuit components on the same side of the circuit board and as near as practical to the respective LDO pin connections. Place ground return connections to the input and output capacitor, and to the LDO ground pin as close to each other as possible, connected by a wide, component-side, copper surface. The use of ...

Categories Integrated Circuits (ICs) PMIC - Voltage Regulators - Linear Manufacturer Texas Instruments Series- Packaging Cut Tape (CT) Part Status Active Output ConfigurationPositive Output Type Fixed Number of Regulators 1 Voltage - Input (Max) 7.5V Voltage - Output (Min/Fixed) 3.3V Voltage - Output (Max)- Voltage Dropout (Max) 0.2V @ 100mA Current - Output 1A PSRR- Control Features- Protection Features Over Temperature, Short Circuit Operating Temperature-40°C ~ 125°C Mounting Type Surface Mount Package / Case TO-261-4, TO-261AA Supplier Device PackageS OT-223-4 Base Part Number LM3940 The internal current limit circuit is used to protect the LDO against high-load current faults or shorting events. During a current-limit event, the LDO sources constant current. Therefore, the output voltage falls when load impedance decreases. Note also that if a current limit occurs and the resulting output voltage is low, excessive power may be diss...

Manufacturer Texas Instruments Manufacturer Part Number LM3940IMPX-3.3/NOPB DescriptionIC REG LINEAR 3.3V 1A S OT223-4 Manufacturer Standard Lead Time 12 Weeks Detailed Description Linear Voltage Regulator IC Positive Fixed 1 Output 3.3V 1A SOT-223-4 Categories Integrated Circuits (ICs) PMIC - Voltage Regulators - Linear Manufacturer Texas Instruments Series- Packaging Tape & Reel (TR) Part StatusActive Output ConfigurationPositive Output TypeFixed Number of Regulators1 Voltage - Input (Max)7.5V Voltage - Output (Min/Fixed)3.3V Voltage - Output (Max)- Voltage Dropout (Max) 0.2V @ 100mA Current - Output 1A PSRR- Control Features- Protection Features Over Temperature, Short Circuit Operating Temperature-40°C ~ 125°C Mounting Type Surface Mount Package / CaseTO-261-4, TO-261AA Supplier Device PackageS OT-223-4 Base Part Number LM3940 Description The LM3940 is a 1-A low-dropout regulator designed to provide 3.3 V from a 5-V...

CategoriesIntegrated Circuits (ICs) PMIC - Voltage Regulators - Linear Manufacturer ON Semiconductor Series- Packaging Tube Part StatusObsolete Output ConfigurationPositive Output TypeFixed Number of Regulators 1 Voltage - Input (Max) 35V Voltage - Output (Min/Fixed)15V Voltage - Output (Max)- Voltage Dropout (Max)2V @ 1A (Typ) Current - Output1A Current - Quiescent (Iq)8mA PSRR70dB (120Hz) Control Features- Protection Features Over Temperature, Short Circuit Operating Temperature -40°C ~ 125°C Mounting Type Through Hole Package / Case TO-220-3 Supplier Device Package TO-220-3 Base Part Number LM7815 These voltage regulators are monolithic integrated circuits designed as fixed−voltage regulators for a wide variety of applications including local, on−card regulation. These regulators employ internal current limiting, thermal shutdown, and safe−area compensation. With adequate heatsinking they can deliver output currents in excess of 1....

Categories Integrated Circuits (ICs) Linear - Amplifiers - Audio Manufacturer Texas Instruments Series- Packaging Tube Part Status Active Type Class AB Output Type 1-Channel (Mono) Max Output Power x Channels @ Load 25W x 1 @ 8 Ohm Voltage - Supply 16 V ~ 60 V, ±8 V ~ 30 V Features Short-Circuit and Thermal Protection Mounting Type Through Hole Operating Temperature 0°C ~ 70°C (TA) Supplier Device Package TO-220-5 Package / Case TO-220-5 Formed Leads Base Part Number LM1875 Manufacturer Texas Instruments Manufacturer Part Number LM1875T/LB02 Description IC AMP AUD PWR 20W 90DEG TO220-5 Manufacturer Standard Lead Time 8 Weeks Detailed Description Amplifier IC 1-Channel (Mono) Class AB TO-220-5

Categories Integrated Circuits (ICs) Linear - Amplifiers - Audio Manufacturer Texas Instruments Series- Packaging Tube Part Status Active Type Class AB Output Type1-Channel (Mono) Max Output Power x Channels @ Load 25W x 1 @ 8 Ohm Voltage - Supply 16 V ~ 60 V, ±8 V ~ 30 V Features Short-Circuit and Thermal Protection Mounting Type Through Hole Operating Temperature 0°C ~ 70°C (TA) Supplier Device Package TO-220-5 Package / Case TO-220-5 Formed Leads Base Part Number LM1875 The LM1875 is designed to be stable when operated at a closed-loop gain of 10 or greater, but, as with any other high-current amplifier, the LM1875 can be made to oscillate under certain conditions. These usually involve printed circuit board layout or output/input coupling. Proper layout of the printed circuit board is very important. While the LM1875 will be stable when installed in a board similar to the ones shown in this data sheet, it is sometimes necessary to modify the layout som...

Categories Integrated Circuits (ICs) Linear - Amplifiers - Audio Manufacturer Texas Instruments Series- Packaging Tube Part Status Active Type Class AB Output Type 1-Channel (Mono) Max Output Power x Channels @ Load 25W x 1 @ 8 Ohm Voltage - Supply 16 V ~ 60 V, ±8 V ~ 30 V Features Short-Circuit and Thermal Protection Mounting Type Through Hole Operating Temperature 0°C ~ 70°C (TA) Supplier Device Package TO-220-5 Package / Case TO-220-5 Formed Leads Base Part Number LM1875 A power amplifier's output transistors can be damaged by excessive applied voltage, current flow, or power dissipation. The voltage applied to the amplifier is limited by the design of the external power supply, while the maximum current passed by the output devices is usually limited by internal circuitry to some fixed value. Shortterm power dissipation is usually not limited in monolithic audio power amplifiers, and this can be a problem when driving reactive loads, which ...

Categories Integrated Circuits (ICs) Linear - Amplifiers - Audio Manufacturer Texas Instruments Series- Packaging Tube Part Status Active Type Class AB Output Type 1-Channel (Mono) Max Output Power x Channels @ Load 25W x 1 @ 8 Ohm Voltage - Supply 16 V ~ 60 V, ±8 V ~ 30 V Features Short-Circuit and Thermal Protection Mounting Type Through Hole Operating Temperature 0°C ~ 70°C (TA) Supplier Device Package TO-220-5 Package / Case TO-220-5 Formed Leads Base Part Number LM1875 The LM1875 has a sophisticated thermal protection scheme to prevent long-term thermal stress to the device. When the temperature on the die reaches 170°C, the LM1875 shuts down. It starts operating again when the die temperature drops to about 145°C, but if the temperature again begins to rise, shutdown will occur at only 150°C. Therefore, the device is allowed to heat up to a relatively high temperature if the fault condition is temporary, but a sustained fault will limit the m...

Design Resources Development Tool Selector Featured Product Create your power design now with TI’s WEBENCH® Designer PCN Assembly/Origin Mult Devices 21/Aug/2017 Online Catalog Class AB Amplifier Categories Integrated Circuits (ICs) Linear - Amplifiers - Audio Manufacturer Texas Instruments Series- Packaging Tube Part Status Active Type Class AB Output Type 1-Channel (Mono) Max Output Power x Channels @ Load 25W x 1 @ 8 Ohm Voltage - Supply 16 V ~ 60 V, ±8 V ~ 30 V Features Short-Circuit and Thermal Protection Mounting Type Through Hole Operating Temperature 0°C ~ 70°C (TA) Supplier Device Package TO-220-5 Package / Case TO-220-5 Formed Leads Base Part Number LM1875 The LM1875 has a sophisticated thermal protection scheme to prevent long-term thermal stress to the device. When the temperature on the die reaches 170°C, the LM1875 shuts down. It starts operating again when the die temperature drops to about 145°C, but if the temperature aga...

Manufacturer Texas Instruments Manufacturer Part Number LM1875T/LF03 Description IC AMP AUD PWR 20W MONO TO220-5 Manufacturer Standard Lead Time 8 Weeks Detailed Description Amplifier IC 1-Channel (Mono) Class AB TO-220-5 Categories Integrated Circuits (ICs) Linear - Amplifiers - Audio Manufacturer Texas Instruments Series- Packaging Tube Part Status Active Type Class AB Output Type 1-Channel (Mono) Max Output Power x Channels @ Load 25W x 1 @ 8 Ohm Voltage - Supply 16 V ~ 60 V, ±8 V ~ 30 V Features Short-Circuit and Thermal Protection Mounting Type Through Hole Operating Temperature 0°C ~ 70°C (TA) Supplier Device Package TO-220-5 Package / Case TO-220-5 Formed Leads Base Part Number LM1875 The preceding suggestions regarding circuit board grounding techniques will also help to prevent excessive distortion levels in audio applications. For low THD, it is also necessary to keep the power supply traces and wires separated from the traces ...

CategoriesIntegrated Circuits (ICs) Linear - Amplifiers - Audio Manufacturer Texas Instruments Series- Packaging Tube Part StatusActive TypeClass AB Output Type1-Channel (Mono) Max Output Power x Channels @ Load25W x 1 @ 8 Ohm Voltage - Supply16 V ~ 60 V, ±8 V ~ 30 V FeaturesShort-Circuit and Thermal Protection Mounting TypeThrough Hole Operating Temperature0°C ~ 70°C (TA) Supplier Device Package TO-220-5 Package / Case TO-220-5 Formed Leads Base Part Number LM1875 　　The LM1875 is designed to be stable when operated at a closed-loop gain of 10 or greater, but, as with any other high-current amplifier, the LM1875 can be made to oscillate under certain conditions. These usually involve printed circuit board layout or output/input coupling. Proper layout of the printed circuit board is very important. While the LM1875 will be stable when installed in a board similar to the ones shown in this data sheet, it is sometimes necessary to modify the layout so...