Pulse Width Modulated Control Circuit

The LM494 is a monolithic integrated circuit which includes all the necessary building blocks for the design of pulse width modulated (PWM) switching power supplies, including push-pull, bridge and series configurations. The device CAN operate at switching frequencies between 1.0 kHz and 300 kHz and output voltages up to 40V. The operating tem- perature range specified for the LM494C is 0Cto70C and for the LM494V is b40Cto a85C. By National Semiconductor Corporation
Part Manufacturer Description Datasheet Samples
LM4946TM/NOPB Texas Instruments 1.3W, 2 CHANNEL, AUDIO AMPLIFIER, PBGA25, GREEN, MICRO, BUMP, SMD-25
LM4949TLEVAL Texas Instruments Stereo Class D Audio Subsystem with OCL Headphone Amplifier
LM4941SD/NOPB Texas Instruments 1.25 Watt Fully Differential Audio Power Amplifier With RF Suppression and Shutdown 8-WSON
LM49450SQX/NOPB Texas Instruments I2C Inpt 2.5W/Ch Low EMI St Class D Sub-Sys w/ Gnd Ref Headph Amp, 3D Enhancement, & Headph Sns 32-WQFN -40 to 85
LM4940TS/NOPB Texas Instruments 6W Stereo Audio Power Amplifier 9-DDPAK/TO-263 -40 to 85
LM49450SQ/NOPB Texas Instruments I2C Inpt 2.5W/Ch Low EMI St Class D Sub-Sys w/ Gnd Ref Headph Amp, 3D Enhancement, & Headph Sns 32-WQFN -40 to 85
LM4941TM/NOPB Texas Instruments 1.25 Watt Fully Differential Audio Power Amplifier With RF Suppression and Shutdown 9-DSBGA -40 to 85
LM4941SDX/NOPB Texas Instruments 1.25 Watt Fully Differential Audio Power Amplifier With RF Suppression and Shutdown 8-WSON
LM4946SQEVAL Texas Instruments LM4946SQEVAL Evaluation Board
LM4946TMX/NOPB Texas Instruments 1.3W, 2 CHANNEL, AUDIO AMPLIFIER, PBGA25, GREEN, MICRO, BUMP, SMD-25
LM494 's PackagesLM494 's pdf datasheet
LM494IN DIP
LM494CJ DIP
LM494CN DIP




LM494 Pinout, Pinouts
LM494 pinout,Pin out
This is one package pinout of LM494,If you need more pinouts please download LM494's pdf datasheet.

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