Datasheet LTC6992-1, LTC6992-2, LTC6992-3, LTC6992-4 (Analog Devices)
| Fabricante | Analog Devices |
| Descripción | TimerBlox: Voltage-Controlled Pulse Width Modulator (PWM) |
| Páginas / Página | 34 / 1 — FEATURES. DESCRIPTION. Pulse Width Modulation (PWM) Controlled by. Simple … |
| Formato / tamaño de archivo | PDF / 1.4 Mb |
| Idioma del documento | Inglés |
FEATURES. DESCRIPTION. Pulse Width Modulation (PWM) Controlled by. Simple 0V to 1V Analog Input
Línea de modelo para esta hoja de datos
- LTC6992CDCB-1#TRMPBF LTC6992CDCB-1#TRPBF LTC6992CS6-1#TRMPBF LTC6992CS6-1#TRPBF LTC6992HDCB-1#TRMPBF LTC6992HDCB-1#TRPBF LTC6992HS6-1#TRMPBF LTC6992HS6-1#TRPBF LTC6992HS6-1#WTRMPBF LTC6992HS6-1#WTRPBF LTC6992IDCB-1#TRMPBF LTC6992IDCB-1#TRPBF LTC6992IS6-1#TRMPBF LTC6992IS6-1#TRPBF LTC6992IS6-1#WTRMPBF LTC6992IS6-1#WTRPBF LTC6992MPS6-1#TRMPBF LTC6992MPS6-1#TRPBF
- LTC6992CDCB-2#TRMPBF LTC6992CDCB-2#TRPBF LTC6992CS6-2#TRMPBF LTC6992CS6-2#TRPBF LTC6992HDCB-2#TRMPBF LTC6992HDCB-2#TRPBF LTC6992HS6-2#TRMPBF LTC6992HS6-2#TRPBF LTC6992HS6-2#WTRMPBF LTC6992HS6-2#WTRPBF LTC6992IDCB-2#TRMPBF LTC6992IDCB-2#TRPBF LTC6992IS6-2#TRMPBF LTC6992IS6-2#TRPBF LTC6992IS6-2#WTRMPBF LTC6992IS6-2#WTRPBF LTC6992MPS6-2#TRMPBF LTC6992MPS6-2#TRPBF
- LTC6992CDCB-3#TRMPBF LTC6992CDCB-3#TRPBF LTC6992CS6-3#TRMPBF LTC6992CS6-3#TRPBF LTC6992HDCB-3#TRMPBF LTC6992HDCB-3#TRPBF LTC6992HS6-3#TRMPBF LTC6992HS6-3#TRPBF LTC6992HS6-3#WTRMPBF LTC6992HS6-3#WTRPBF LTC6992IDCB-3#TRMPBF LTC6992IDCB-3#TRPBF LTC6992IS6-3#TRMPBF LTC6992IS6-3#TRPBF LTC6992IS6-3#WTRMPBF LTC6992IS6-3#WTRPBF LTC6992MPS6-3#TRMPBF LTC6992MPS6-3#TRPBF
- LTC6992CDCB-4#TRMPBF LTC6992CDCB-4#TRPBF LTC6992CS6-4#TRMPBF LTC6992CS6-4#TRPBF LTC6992HDCB-4#TRMPBF LTC6992HDCB-4#TRPBF LTC6992HS6-4#TRMPBF LTC6992HS6-4#TRPBF LTC6992HS6-4#WTRMPBF LTC6992HS6-4#WTRPBF LTC6992IDCB-4#TRMPBF LTC6992IDCB-4#TRPBF LTC6992IS6-4#TRMPBF LTC6992IS6-4#TRPBF LTC6992IS6-4#WTRMPBF LTC6992IS6-4#WTRPBF LTC6992MPS6-4#TRMPBF LTC6992MPS6-4#TRPBF
Versión de texto del documento
LTC6992-1/LTC6992-2/ LTC6992-3/LTC6992-4 TimerBlox: Voltage-Controlled Pulse Width Modulator (PWM)
FEATURES DESCRIPTION
n
Pulse Width Modulation (PWM) Controlled by
The LTC®6992 is a silicon oscillator with an easy-to-use
Simple 0V to 1V Analog Input
analog voltage-controlled pulse width modulation (PWM) n
Four Available Options Define Duty Cycle Limits
capability. The LTC6992 is part of the TimerBlox® family n
Minimum Duty Cycle at 0% or 5%
of versatile silicon timing devices. n
Maximum Duty Cycle at 95% or 100%
A single resistor, RSET, programs the LTC6992’s inter- n
Frequency Range: 3.81Hz to 1MHz
nal master oscillator frequency. The output frequency n Configured with 1 to 3 Resistors is determined by this master oscillator and an internal n <1.7% Maximum Frequency Error frequency divider, NDIV, programmable to eight settings n PWM Duty Cycle Error < 3.7% Maximum from 1 to 16384. n Frequency Modulation (VCO) Capability n 1MHz 50k 2.25V to 5.5V Single Supply Operation f • Ω ,N n 115μA Supply Current at 100kHz OUT = DIV = 1,4,16 …16384 NDIV RSET n 500μs Start-Up Time Applying a voltage between 0V and 1V on the MOD pin n CMOS Output Driver Sources/Sinks 20mA sets the duty cycle. n –55°C to 125°C Operating Temperature Range n Available in Low Profile (1mm) SOT-23 (ThinSOT™) The four versions differ in their minimum/maximum duty and 2mm × 3mm DFN cycle. Note that a minimum duty cycle limit of 0% or n AEC-Q100 Qualified for Automotive Applications maximum duty cycle limit of 100% allows oscillations to stop at the extreme duty cycle settings.
APPLICATIONS DEVICE NAME PWM DUTY CYCLE RANGE
n LTC6992-1 0% to 100% PWM Servo Loops LTC6992-2 5% to 95% n Heater Control LTC6992-3 0% to 95% n LED Dimming Control LTC6992-4 5% to 100% n High Vibration, High Acceleration Environments n Portable and Battery-Powered Equipment For easy configuration of the LTC6992, use the TimerBlox All registered trademarks and trademarks are the property of their respective owners. LTC6992: PWM Web-Based Design Tool.
TYPICAL APPLICATION 1MHz Pulse Width Modulator
ANALOG PWM DUTY CYCLE MOD OUT MOD CONTROL LTC6992 0.5V/DIV (0V TO 1V) 3.3V GND V+ C1 0.1µF OUT 1V/DIV SET DIV 6992 TA01a RSET 50k 2µs/DIV 6992 TA01b Rev. D Document Feedback For more information www.analog.com 1 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Package Description Revision History Typical Application Related Parts
FEATURES DESCRIPTION
n
Pulse Width Modulation (PWM) Controlled by
The LTC®6992 is a silicon oscillator with an easy-to-use
Simple 0V to 1V Analog Input
analog voltage-controlled pulse width modulation (PWM) n
Four Available Options Define Duty Cycle Limits
capability. The LTC6992 is part of the TimerBlox® family n
Minimum Duty Cycle at 0% or 5%
of versatile silicon timing devices. n
Maximum Duty Cycle at 95% or 100%
A single resistor, RSET, programs the LTC6992’s inter- n
Frequency Range: 3.81Hz to 1MHz
nal master oscillator frequency. The output frequency n Configured with 1 to 3 Resistors is determined by this master oscillator and an internal n <1.7% Maximum Frequency Error frequency divider, NDIV, programmable to eight settings n PWM Duty Cycle Error < 3.7% Maximum from 1 to 16384. n Frequency Modulation (VCO) Capability n 1MHz 50k 2.25V to 5.5V Single Supply Operation f • Ω ,N n 115μA Supply Current at 100kHz OUT = DIV = 1,4,16 …16384 NDIV RSET n 500μs Start-Up Time Applying a voltage between 0V and 1V on the MOD pin n CMOS Output Driver Sources/Sinks 20mA sets the duty cycle. n –55°C to 125°C Operating Temperature Range n Available in Low Profile (1mm) SOT-23 (ThinSOT™) The four versions differ in their minimum/maximum duty and 2mm × 3mm DFN cycle. Note that a minimum duty cycle limit of 0% or n AEC-Q100 Qualified for Automotive Applications maximum duty cycle limit of 100% allows oscillations to stop at the extreme duty cycle settings.
APPLICATIONS DEVICE NAME PWM DUTY CYCLE RANGE
n LTC6992-1 0% to 100% PWM Servo Loops LTC6992-2 5% to 95% n Heater Control LTC6992-3 0% to 95% n LED Dimming Control LTC6992-4 5% to 100% n High Vibration, High Acceleration Environments n Portable and Battery-Powered Equipment For easy configuration of the LTC6992, use the TimerBlox All registered trademarks and trademarks are the property of their respective owners. LTC6992: PWM Web-Based Design Tool.
TYPICAL APPLICATION 1MHz Pulse Width Modulator
ANALOG PWM DUTY CYCLE MOD OUT MOD CONTROL LTC6992 0.5V/DIV (0V TO 1V) 3.3V GND V+ C1 0.1µF OUT 1V/DIV SET DIV 6992 TA01a RSET 50k 2µs/DIV 6992 TA01b Rev. D Document Feedback For more information www.analog.com 1 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Package Description Revision History Typical Application Related Parts