FREQUENCY AND DUTY CYCLE CONTROL Search Results

68HC05

Abstract: CDP68HC05 CDP68HC05C8B CDP68HC68W1 CDP68HC68W1E
Contextual Info: CDP68HC68W1 CMOS Serial Digital Pulse Width Modulator March 1998 Features Description • Programmable Frequency and Duty Cycle Output The CDP68HC68W1 modulates a clock input to supply a variable frequency and duty-cycle output signal. Three 8-bit registers pulse width, frequency and control are accessed

CDP68HC68W1

Contextual Info: CDP68HC68W1 Semiconductor CMOS Serial Digital Pulse Width Modulator March 1998 Features Description • Programmable Frequency and Duty Cycle Output The CDP68HC68W1 modulates a clock input to supply a variable frequency and duty-cycle output signal. Three 8-bit

68w 65

Contextual Info: S ttftSESS CDP68HC68W1 CMOS Serial Digital Pulse Width Modulator March 1998 Features Description • Programmable Frequency and Duty Cycle Output The CDP68HC68W1 modulates a clock input to supply a variable frequency and duty-cycle output signal. Three 8-bit

Contextual Info: S ttftSESS CDP68HC68W1 CMOS Serial Digital Pulse Width Modulator February 1998 Features Description • Programmable Frequency and Duty Cycle Output The CDP68HC68W1 modulates a clock input to supply a variable frequency and duty-cycle output signal. Three 8-bit

UC3843A datasheet

Abstract: UC3842 Datasheet of ic uc3842 application uc3842 uc3842 application circuit uc3842 application note uc3842 unitrode uc3844a datasheet UC3842A UC3843A
Contextual Info: DN-40 Design Note THE EFFECTS OF OSCILLATOR DISCHARGE CURRENT VARIATIONS ON MAXIMUM DUTY CYCLE AND FREQUENCY IN UC3842 AND UC3842−"A" PWM ICs by YEAM CHONG HOCK Many designers try to program a precise maximum duty cycle and operating frequency by careful selection of the oscillator timing components, Rt and

Contextual Info: DN-40 U N IT R O D E Design Note THE EFFECTS OF OSCILLATOR DISCHARGE CURRENT VARIATIONS ON MAXIMUM DUTY CYCLE AND FREQUENCY IN UC3842 AND UC3842-"A" PWM ICs by YEAM CHONG HOCK Many designers try to program a precise maximum duty cycle and operating frequency by careful se­

philips 3f3 ferrite

Abstract: smps 12 volt 3 amp T2A250V 12v 1a smps circuit diagram L4990 Z8070 BJT 2N2222 datasheet BYT11-600 l4990a schematic smps 300W
Contextual Info: L4990 L4990A PRIMARY CONTROLLER CURRENT-MODE CONTROL PWM SWITCHING FREQUENCY UP TO 1MHz LOW START-UP CURRENT < 0.45mA HIGH-CURRENT OUTPUT DRIVE SUITABLE FOR POWER MOSFET 1A FULLY LATCHED PWM LOGIC WITH DOUBLE PULSE SUPPRESSION PROGRAMMABLE DUTY CYCLE 100% AND 50% MAXIMUM DUTY CYCLE

philips 3f3 ferrite

Abstract: ac-dc adapter isolated feedback flyback converter L4990 circuits using BJT 2N2222 in transistor L4990A bjt 2n2222 driver circuit ACDC adaptor variac used as a battery charger T2A250V
Contextual Info: L4990 L4990A PRIMARY CONTROLLER CURRENT-MODE CONTROL PWM SWITCHING FREQUENCY UP TO 1MHz LOW START-UP CURRENT < 0.45mA HIGH-CURRENT OUTPUT DRIVE SUITABLE FOR POWER MOSFET 1A FULLY LATCHED PWM LOGIC WITH DOUBLE PULSE SUPPRESSION PROGRAMMABLE DUTY CYCLE 100% AND 50% MAXIMUM DUTY CYCLE

variable dutycycle square wave generator circuit

Abstract: pulse generator variable "duty cycle" triangle wave application note triangle wave pulse generator variable duty cycle square wave signal generator charge generator pulse wave signal generator Pulse Generator low frequency square generator square wave generator ic
Contextual Info: AMPLIFIER AND COMPARATOR CIRCUITS Application Note 1960: Mar 26, 2003 Simple Pulse Generator Has Low Parts Count With a few op amps and some external components, you can build a pulse generator with variable frequency and duty cycle. The natural choice for generating a pulse of variable frequency and duty cycle is a good bench-top pulse

GM3843

Abstract: Gm 3842 GM3842A transistor 2n3903 GM3843A GM3842 GM3844A GM3845A GM3844 GM3844AS8R
Contextual Info: Features Description Low Start-Up and Operating Current Automatic Feed Forward Compensation Current Mode Operating Frequency up to 500kHz Trimmed Oscillator Discharge Current for Precise Duty Cycle Control Latching PWM for Cycle-By-Cycle Current Limiting Undervoltage Lockout with Hysteresis

UCC1807-1

Abstract: UCC3800 UCC3807 UCC3807-2 42625 core
Contextual Info: UCC1807-1/-2/-3 UCC2807-1/-2/-3 UCC3807-1/-2/-3 Programmable Maximum Duty Cycle PWM Controller FEATURES DESCRIPTION • User Programmable Maximum PWM Duty Cycle The UCC3807 family of high speed, low power integrated circuits contains all of the control and drive circuitry required for off-line and DC-to-DC fixed frequency current

UCC3800

Abstract: UCC3807 UCC3807-2 42625 core
Contextual Info: UCC1807-1/-2/-3 UCC2807-1/-2/-3 UCC3807-1/-2/-3 Programmable Maximum Duty Cycle PWM Controller FEATURES DESCRIPTION • User Programmable Maximum PWM Duty Cycle The UCC3807 family of high speed, low power integrated circuits contains all of the control and drive circuitry required for off-line and DC-to-DC fixed frequency current

c 3807

Abstract: C3807
Contextual Info: o UCCI 807-1/-2/-3 UCC2807-1/-2/-3 UCC3807-1/-2/-3 UNITRODE Programmable Maximum Duty Cycle PWM Controller FEATURES DESCRIPTION User Programmable Maximum PWM Duty Cycle The UCC3807 family of high speed, low power integrated circuits contains all of the control and drive circuitry required for off-line and DC-to-DC fixed frequency current

UCC1807-1

Abstract: ucc3807-2 42625 core Latches 8282 UCC3800 UCC3807
Contextual Info: UCC1807-1/-2/-3 UCC2807-1/-2/-3 UCC3807-1/-2/-3 Programmable Maximum Duty Cycle PWM Controller FEATURES DESCRIPTION • User Programmable Maximum PWM Duty Cycle The UCC3807 family of high speed, low power integrated circuits contains all of the control and drive circuitry required for off-line and DC-to-DC fixed frequency current

L6599AT

Abstract: L6599a L6599ATD
Contextual Info: L6599AT Improved high-voltage resonant controller Features • 50% duty cycle, variable frequency control of resonant half-bridge ■ High-accuracy oscillator ■ Up to 500 kHz operating frequency ■ Two-level OCP: frequency-shift and latched shutdown ■

L6599AD

Abstract: L6599a L6599 L6599 application note
Contextual Info: L6599A Improved high-voltage resonant controller Features • 50% duty cycle, variable frequency control of resonant half-bridge ■ High-accuracy oscillator ■ Up to 500 kHz operating frequency ■ Two-level OCP: frequency-shift and latched shutdown ■

L6599AD

Abstract: L6599A l6599 L6599 application L6599 application note L6563 L6599 DIM SO-16N
Contextual Info: L6599A Improved high-voltage resonant controller Features • 50 % duty cycle, variable frequency control of resonant half-bridge ■ High-accuracy oscillator ■ Up to 500 kHz operating frequency ■ Two-level OCP: frequency-shift and latched shutdown ■

IC sine wave generator for 1Hz-to-20MHz

Abstract: variable dutycycle square wave generator circuit Function Generator IC sine square triangle t50h 250PA10 MAX038EPP
Contextual Info: 0; 6/94 | High-Frequency W aveform G enerato r _ Features ♦ 0.1 Hz to 20MHz Operating Frequency Range ♦ Triangle, Sawtooth, Sine, Square, and Pulse Waveforms ♦ Independent Frequency and Duty-Cycle Adjustments ♦ 350 to 1 Frequency Sweep Range

L6599 application note

Abstract: L6599D L6599 application l6599 L6599DTR resonant converter l6599 burst mode schematic diagram l6599 L6561 L6599 L6599N high side MOSFET driver charge pump
Contextual Info: L6599 High-voltage resonant controller Features • 50% duty cycle, variable frequency control of resonant half-bridge ■ High-accuracy oscillator ■ Up to 500kHz operating frequency ■ Two-level OCP: frequency-shift and latched shutdown ■ Interface with PFC controller

L6599D

Abstract: L6599 application note l6599 L6599 application L6599N ENERGY SAVING UNIT AC Diagram 90W ac power adapter schematic transformer with primary to secondary turns ratio transformer 208 V 50 Hz load 15v dc variable frequency drive circuit diagram
Contextual Info: L6599 High-voltage resonant controller Features • 50% duty cycle, variable frequency control of resonant half-bridge ■ High-accuracy oscillator ■ Up to 500kHz operating frequency ■ Two-level OCP: frequency-shift and latched shutdown ■ Interface with PFC controller

Contextual Info: Leaded Oscillator, VCXO, TTL / HC-MOS Metal Package, Full Size DIP and Half DIP Frequency Output Level Level Duty Cycle Rise / Fall Time Output Load Frequency Stability Supply Voltage Current Control Voltage Slope Temperature Operating Storage Environmental

L6699

Abstract: L4984 L6699D LLC resonant full bridge schematic half bridge smps resonant full bridge schematic resonance half bridge converter half bridge smps controller L6562 Application Note L6699DTR
Contextual Info: L6699 Enhanced high voltage resonant controller Datasheet − production data Features • Symmetrical duty cycle, variable frequency control of resonant half bridge ■ Self-adjusting adaptive deadtime ■ High-accuracy oscillator ■ 2-level OCP: frequency-shift and immediate

AIC1576

Abstract: GS 78L05 transistor cs 9014 78l05 sop8 35V still r70 pnp 9014 pin out aic1576ps GS -L 0.1uF Capacitor CEM4435 transistor so-8 SOP8 PNP Transistor Package
Contextual Info: AIC1576 High-Efficiency, Step-Down DC/DC Controller FEATURES DESCRIPTION High Efficiency up to 95% . Low Quiescent Current at 90µA. Pulse-Skipping and Pulse-Frequency Modulation. Inputs-Uncommitted Current Sense Comparator. Duty Cycle Adjustable. 90KHz to 280KHz Oscillator Frequency.

AIC1578Ps

Abstract: AIC1578CSTR
Contextual Info: AIC1578 High-Efficiency, Step-Down DC/DC Controller FEATURES DESCRIPTION High Efficiency up to 95% . Low Quiescent Current at 90µA. Pulse-Skipping and Pulse-Frequency Modulation. Inputs-Uncommitted Current Sense Comparator. Duty Cycle Adjustable. 90KHz to 280KHz Oscillator Frequency.