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L494

  

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TI
Texas Instruments
TL494 PULSE-WIDTH-MODULATION CONTROL CIRCUITS


other parts : TL493  TL493CD  TL493CN  TL494C  TL494CD  TL494CJ  TL494CN  TL494I  TL494ID  TL494IJ  
TL494 PDF
IKSEMICON
IK Semicon Co., Ltd
IL494 PWM Control Circuit

The IL494 incorporates on a single monolithic chip all the functions required in the construction of a pulse-width-modulation control circuit. Designed primarily for power supply control, the IL494 contains an on-chip 5-volt regulator, two error amplifiers, adjustable oscillator, dead-time control comparator, pulse-steering flip-flop, and output-control circuitry. The uncommitted output transistors provide either common-emitter or emitter-follower output capability. Push-pull or single-ended output operation may be selected through the output-control function. The architecture of the IL494 prohibits the possibility of either output being pulsed twice during push-pull operation.

FEATURE
• Complete PWM Power Control Circuitry
• Uncommitted Outputs for 200 mA Sink or Source
• Output Control Selects Single-Ended or Push-Pull Operation
• Internal Circuitry Prohibits Double Pulse at Either Output
• Internal Regulator Provides a Stable 5 V Reference Supply
• Variable Dead-Time Provides Control Over Total Range

 


other parts : IL494D  IL494DT  IL494N  
IL494 PDF
Hynix
Hynix Semiconductor
GL494 PWM control circuit / Uncommitted Outputs for 200mA Sink or Source

The GL494 incorporates on a single monolithic chip all the functions required in the construction of a pulse-width modulation control circuit.

 

Designed primarily for power supply control, the GL494 contains an on-chip 5-volt regulator, two error amplifiers, adjustable oscillator, deadtime control comparator, pulse-steering flip-flop, and output control circuitry.

 

GL494 PDF
UTC
Unisonic Technologies
UTCTL494 VOLTAGE MODE PWM CONTROL CIRCUIT

DESCRIPTION
The UTC TL494 incorporates all the functions required in the construction of a pulse-width modulation switching circuit. Designed primarily for switching power supply control or DC DC convectors, it offers the systems engineer the flexibility to tailor control circuitry to its own application.

FEATURES
*Complete PWM power control circuitry
*Uncommitted outputs for 200 mA sink or source current
*Output control selects single ended or push pull operation
*Internal circuitry prohibits double pulses over total range
*Easy synchronization

 

UTCTL494 PDF
UTC
Unisonic Technologies
TL494 VOLTAGE MODE PWM CONTROL CIRCUIT

DESCRIPTION
The UTC TL494incorporates all the functions required in the construction of a pulse-width modulation switching circuit. Designed primarily for switching power supply control or DC-DC
convectors, it offers the systems engineer the flexibility to tailor control circuitry to its own application.


FEATURES
1. Complete PWM power control circuitry
2. Uncommitted outputs for 200mA sink or source current
3. Output control selects singleended or push pull operation
4. Internal circuitry prohibits double pulses over total range
5. Easy synchronization


other parts : TL494-D16-T  TL494-S16-R  TL494-S16-T  TL494G-D16-T  TL494G-P16-R  TL494G-P16-T  TL494G-S16-R  TL494G-S16-T  TL494L-D16-T  TL494L-P16-R  
TL494 PDF
Integral
Integral Corp.
IL494 PWM Control Circuit

The IL494 incorporates on a single monolithic chip all the functions required in the construction of a pulse-width-modulation control circuit. Designed primarily for power supply control, the IL494 contains an on-chip 5-volt regulator, two error amplifiers, adjustable oscillator, dead-time control comparator, pulse-steering flip-flop, and output-control circuitry. The uncommitted output transistors provide either common-emitter or emitter-follower output capability. Push-pull or single-ended output operation may be selected through the output control function. The architecture of the IL494 prohibits the possibility of either output being pulsed twice during push-pull operation.

• Complete PWM Power Control Circuitry
• Uncommitted Outputs for 200 mA Sink or Source
• Output Control Selects Single-Ended or Push-Pull Operation
• Internal Circuitry Prohibits Double Pulse at Either Output
• Internal Regulator Provides a Stable 5 V Reference Supply
• Variable Dead-Time Provides Control Over Total Range

 


other parts : IL494N  IL494D  
IL494 PDF
ETC
Unspecified
IL494 PWM Control Circuit

[IKSEMICON]

  The IL494 incorporates on a single monolithic chip all the functions required in the construction of a pulse-width-modulation control circuit. Designed primarily for power supply control, the
IL494 contains an on-chip 5-volt regulator, two error amplifiers, adjustable oscillator, dead-time control comparator, pulse-steering flip-flop, and output-control circuitry. The uncommitted output
transistors provide either common-emitter or emitter-follower output capability. Push-pull or single-ended output operation may be selected through the output-control function. The architecture of the IL494 prohibits the possibility of either output being pulsed twice during push-pull operation.

FEATURE
•  Complete PWM Power Control Circuitry
•  Uncommitted Outputs for 200 mA Sink or Source
•  Output Control Selects Single-Ended or Push-Pull Operation
•  Internal Circuitry Prohibits Double Pulse at Either Output
•  Internal Regulator Provides a Stable 5 V Reference Supply
•  Variable Dead-Time Provides Control Over Total Range


other parts : IL494D  IL494DT  IL494N  
IL494 PDF
Fairchild
Fairchild Semiconductor
TL494 SMPS Controller

Description
The TL494 is used for the control circuit of the PWM switching regulator. The TL494 consists of 5V reference voltage circuit, two error amplifiers, flip flop, an output control circuit, a PWM comparator, a dead time comparator and an oscillator. This device can be operated in the switching frequency of 1 KHz to 300 KHz.

Features
1. Internal regulator provides a stable 5V reference supply trimmed to 5%
2. Uncommitted output TR for 200mA sink or source current
3. Output control for push-pull or single-ended operation
4. Variable duty cycle by dead time control (pin 4) Complete PWM control circuit
5. On-chip oscillator with master or slave operation
6. Internal circuit prohibits double pulse at either output


other parts : TL494CD  TL494CN  
TL494 PDF
Daewoo
Daewoo Semiconductor
DBL494 Pulse width modulation

DBL494 Datasheet PDF


other parts : DBL494-V  
DBL494 PDF
ON-Semiconductor
ON Semiconductor
TL494 Voltage mode PWM control circuit.

The TL494 is a fixed frequency, pulse width modulation control circuit designed primarily for SWITCHMODE power supply control.



Features
1. Complete Pulse Width Modulation Control Circuitry
2. On−Chip Oscillator with Master or Slave Operation
3. On−Chip Error Amplifiers
4. On−Chip 5.0 V Reference
5. Adjustable Deadtime Control
6. Uncommitted Output Transistors Rated to 500 mA Source or Sink
7. Output Control for Push−Pull or Single−Ended Operation
8. Undervoltage Lockout
9. NCV Prefix for Automotive and Other Applications Requiring Site and Control Changes
10.  Pb−Free Packages are Available


other parts : NCV494BDR2  NCV494BDR2G  TL494BD  TL494BDG  TL494BDR2  TL494BDR2G  TL494CD  TL494CDG  TL494CDR2  TL494CDR2G  
TL494 PDF
Motorola
Motorola => Freescale
TL494 SWITCHMODE PULSE WIDTH MODULATION CONTROL CIRCUIT

The TL494 is a fixed frequency, pulse width modulation control circuit designed primarily for SWITCHMODE power supply control.


1. Complete Pulse Width Modulation Control Circuitry
2. On–Chip Oscillator with Master or Slave Operation
3. On–Chip Error Amplifiers
4. On–Chip 5.0 V Reference
5. Adjustable Deadtime Control
6. Uncommitted Output Transistors Rated to 500 mA Source or Sink
7. Output Control for Push–Pull or Single–Ended Operation
8. Undervoltage Lockout
 


other parts : TL494CD  TL494CN  TL494IN  
TL494 PDF
System-Logic
System Logic Semiconductor
SL494 PWM Control Circuit

PWM Control Circuit

The  SL 494 incorporates on a single monolithic chip all the functions required in the construction of a pulse -width-modulation control circuit. Designed primarily for power supply control, the  SL494 contains an on-chip 5 -volt regulator, two error amplifiers, adjustable oscillator, dead-time control comparator, pulse -steering flip -flop, and output-control circuitry. The uncommitted output transistors provide

·  Complete PWM Power Control Circuitry
·  Uncommitted Outputs for 200  mA Sink or Source
·  Output Control Selects Single -Ended or Push-Pull Operation
·  Internal Circuitry Prohibits Double Pulse at Either Output
·  Internal Regulator Provides a Stable 5  V Reference Supply
·  Variable Dead-Time Provides Control Over Total Range


other parts : SL494D  SL494N  
SL494 PDF

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