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LM108A


Part Number LM108A
Manufacturer Linear Technology
Title Operational Amplifiersbb
Description ...
Features ...

File Size 451.53KB
Datasheet LM108A PDF File








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LM108 : The LM108 series are precision operational amplifiers having specifications a factor of ten better than FET amplifiers over a b55 C to a 125 C temperature range The devices operate with supply voltages from g 2V to g 20V and have sufficient supply rejection to use unregulated supplies Although the circuit is interchangeable with and uses the same compensation as the LM101A an alternate compensation scheme can be used to make it particularly insensitive to power supply noise and to make supply bypass capacitors unnecessary The low current error of the LM108 series makes possible many designs that are not practical with conventional amplifiers In fact it operates from 10 MX source resistances .

LM108 : .

LM108-N : The LM108-N is a precision operational amplifier having specifications a factor of ten better than FET amplifiers over a −55°C to +125°C temperature range. The devices operate with supply voltages from ±2V to ±20V and have sufficient supply rejection to use unregulated supplies. Although the circuit is interchangeable with, and uses the same compensation as the LM101A, an alternate compensation scheme can be used to make it particularly insensitive to power supply noise and to make supply bypass capacitors unnecessary. The low current error of the LM108-N makes possible many designs that are not practical with conventional amplifiers. In fact, it operates from 10 MΩ source resistances, intro.

LM1084 : The LM1084 is a series of low dropout voltage positive regulators with a maximum dropout of 1.5V at 5A of load current. It has the same pin-out as National Semiconductor’s industry standard LM317. The LM1084 is available in an adjustable version, which can set the output voltage with only two external resistors. It is also available in three fixed voltages: 3.3V, 5.0V and 12.0V. The fixed versions intergrate the adjust resistors. The LM1084 circuit includes a zener trimmed bandgap reference, current limiting and thermal shutdown. The LM1084 series is available in TO-220 and TO-263 packages. Refer to the LM1085 for the 3A version, and the LM1086 for the 1.5A version. Features n Available in.

LM1084 : The LM1084 is a regulator with a maximum dropout of 1.5V at 5A of load current. The device has the same pinout as TI's industry standard LM317. Two resistors are required to set the output voltage of the adjustable output voltage version of the LM1084. Fixed output voltage versions integrate the adjust resistors. The LM1084 circuit includes a zener trimmed bandgap reference, current limiting, and thermal shutdown. Refer to LM1085 for the 3A version, and the LM1086 for the 1.5A version. Package Information PART NUMBER PACKAGE(1) PACKAGE SIZE(2) LM1084 KTT (TO-263, 3) NDE (TO-220, 3) 10.16mm × 15.24mm 10.16mm × 4.58mm (1) For more information, see the Mechanical, Packaging, and Orde.

LM1085 : The LM1085 is a series of low dropout positive voltage regulators with a maximum dropout of 1.5V at 3A of load current. It has the same pin-out as National Semiconductor’s industry standard LM317. The LM1085 is available in an adjustable version, which can set the output voltage with only two external resistors. It is also available in three fixed voltages: 3.3V, 5.0V and 12.0V. The fixed versions integrate the adjust resistors. The LM1085 circuit includes a zener trimmed bandgap reference, current limiting and thermal shutdown. The LM1085 series is available in TO-220 and TO-263 packages. Refer to the LM1084 for the 5A version, and the LM1086 for the 1.5V version. Features n Available in .

LM1085 : The LM1085-XXXJ3 is a low dropout three terminal regulator with 3A output current capability. The output voltage is adjustable with the use of a resistor divider or fixed 1.5V, 1.8V, 2.5V, 3.3V and 5.0V. Dropout voltage is guaranteed to be at maximum of 1.4V with the maximum output current. Its low dropout voltage and fast transient response make it ideal for low voltage microprocessor applications. Current limit and thermal protection provide protection against any overload condition that would create excessive junction temperatures. Applications Mother Board I/O Power Supplies. Microprocessor Power Supplies. High Current Regulator. Post Regulator for Switching Supply. Ordering Information.

LM1085 : The LM1085 series of positive adjustable and fixed regulators are designed to provide 3A with high efficient. All internal circuitry is designed to operate down to 1.5V input to output differential. On-chip trimming adjusts the reference voltage to 1%. It's low dropout voltage and fast transient response make it ideal for low voltage microprocessor applications. Internal current and thermal limiting provides protection against any overload condition that would create excessive junction temperature. TEST & TYPICAL APPLICATION CIRCUIT LM1085-3.3V LM1085-ADJ Note (1) C1 needed if device is far away from filter capacitors. (2) C2 minimum value required for stability VREF=VOUT-VADJ=1.25V(Typ.

LM1085 : The LM1085 is a regulator with a maximum dropout of 1.5 V at 3 A of load current. It has the same pinout as TI's industry standard LM317. Two resistors are required to set the output voltage of the adjustable output voltage version of the LM1085. Fixed output voltage versions integrate the adjust resistors. The LM1085 circuit includes a zener trimmed bandgap reference, current limiting and thermal shutdown. Refer to the LM1084 for the 5A version, and the LM1086 for the 1.5A version. Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) LM1085 DDPAK/TO-263 (3) 10.18 mm × 8.41 mm TO-220 (3) 14.986 mm × 10.16 mm (1) For all available packages, see the orderable addendum at the end .

LM1085-05-220M : The LM1085 is designed to provide 3A with higher efficiency than currently available devices. All internal circuitry is designed to operate down to 1V input to output differential and the dropout voltage is fully specified as a function of load current. Dropout is guaranteed at a maximum of 1.5V at maximum output current, decreasing at lower load currents. On-chip trimming adjusts the reference output voltage to 1%. Current limit is also trimmed, minimising the stress on both the regulator and power source circuitry under overload conditions. The LM1085 is pin compatible with older 3 terminal adjustable regulators. A 10m F output capacitor is required on these new devices; however, this is u.

LM1085-12-220M : The LM1085 is designed to provide 3A with higher efficiency than currently available devices. All internal circuitry is designed to operate down to 1V input to output differential and the dropout voltage is fully specified as a function of load current. Dropout is guaranteed at a maximum of 1.5V at maximum output current, decreasing at lower load currents. On-chip trimming adjusts the reference output voltage to 1%. Current limit is also trimmed, minimising the stress on both the regulator and power source circuitry under overload conditions. The LM1085 is pin compatible with older 3 terminal adjustable regulators. A 10m F output capacitor is required on these new devices; however, this is u.

LM1085-220M : The LM1085 is designed to provide 3A with higher efficiency than currently available devices. All internal circuitry is designed to operate down to 1V input to output differential and the dropout voltage is fully specified as a function of load current. Dropout is guaranteed at a maximum of 1.5V at maximum output current, decreasing at lower load currents. On-chip trimming adjusts the reference output voltage to 1%. Current limit is also trimmed, minimising the stress on both the regulator and power source circuitry under overload conditions. The LM1085 is pin compatible with older 3 terminal adjustable regulators. A 10m F output capacitor is required on these new devices; however, this is u.

LM1086 : The LM1086 is a series of low dropout positive voltage regulators with a maximum dropout of 1.5V at 1.5A of load current. It has the same pin-out as National Semiconductor’s industry standard LM317. The LM1086 is available in an adjustable version, which can set the output voltage with only two external resistors. It is also available in three fixed voltages: 2.85V, 3.3V and 5.0V. The fixed versions integrate the adjust resistors. The LM1086 circuit includes a zener trimmed bandgap reference, current limiting and thermal shutdown. The LM1086 series is available in TO-220 and TO-263 packages. D-Pak is available upon special request; contact the National Semiconductor sales representative in y.

LM1086 : The LM1086 is a regulator with a maximum dropout of 1.5 V at 1.5 A of load current. The device has the same pin-out as TI's industry standard LM317. Two resistors are required to set the output voltage of the adjustable output voltage version of the LM1086. Fixed output voltage versions integrate the adjust resistors. The LM1086 circuit includes a zener trimmed bandgap reference, current limiting, and thermal shutdown. Refer to LM1084 for the 5-A version, and the LM1085 for the 3-A version. Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) WSON (8) 4 mm × 4 mm LM1086 DDPAK/TO-263 (3) 10.18 mm × 8.41 mm TO-220 (3) 14.986 mm × 10.16 mm (1) For all available packages, see the .

LM1086 : (XX=Vout=1.5V, 2.5V, 2.85V, 3.0V, 3.3V, 5.0V Adjustable= AD) The LM1086 is a low dropout three terminal regulator with 1.5A output current capability. The output voltage is adjustable with the use of a resistor divider. Dropout is guaranteed at a maximum of 500 mV at maximum output current. It's low dropout voltage and fast transient response make it ideal for low voltage microprocessor applications. Internal current and thermal limiting provides protection against any overload condition that would create excessive junction temperature. TEST & TYPICAL APPLICATION CIRCUIT VIN 5V + C1 10㎌ RF2 205Ω 1% 3 2 LM1086 1 ADJ VREF RF1 124Ω 1% VOUT 3.33V VREF=VOUT-VADJ=1.25V(Typ.) VOUT=VREFx(1+RF2.

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