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LTC6992-3

Analog Devices
Part Number LTC6992-3
Manufacturer Analog Devices
Description Voltage-Controlled PWM
Published Aug 29, 2023
Detailed Description FEATURES n Pulse Width Modulation (PWM) Controlled by Simple 0V to 1V Analog Input n Four Available Options Define Duty ...
Datasheet PDF File LTC6992-3 PDF File

LTC6992-3
LTC6992-3

Overview
FEATURES n Pulse Width Modulation (PWM) Controlled by Simple 0V to 1V Analog Input n Four Available Options Define Duty Cycle Limits n Minimum Duty Cycle at 0% or 5% n Maximum Duty Cycle at 95% or 100% n Frequency Range: 3.
81Hz to 1MHz n Configured with 1 to 3 Resistors n <1.
7% Maximum Frequency Error n PWM Duty Cycle Error < 3.
7% Maximum n Frequency Modulation (VCO) Capability n 2.
25V to 5.
5V Single Supply Operation n 115μA Supply Current at 100kHz n 500μs Start-Up Time n CMOS Output Driver Sources/Sinks 20mA n –55°C to 125°C Operating Temperature Range n Available in Low Profile (1mm) SOT-23 (ThinSOT™) and 2mm × 3mm DFN n AEC-Q100 Qualified for Automotive Applications APPLICATIONS n PWM Servo Loops n Heater Control n LED Dimming Control n High Vibration, High Acceleration Environments n Portable and Battery-Powered Equipment All registered trademarks and trademarks are the property of their respective owners.
LTC6992-1/LTC6992-2/ LTC6992-3/LTC6992-4 TimerBlox: Voltage-Controlled Pulse Width Modulator (PWM) DESCRIPTION The LTC®6992 is a silicon oscillator with an easy-to-use analog voltage-controlled pulse width modulation (PWM) capability.
The LTC6992 is part of the TimerBlox® family of versatile silicon timing devices.
A single resistor, RSET, programs the LTC6992’s internal master oscillator frequency.
The output frequency is determined by this master oscillator and an internal frequency divider, NDIV, programmable to eight settings from 1 to 16384.
fOUT = 1MHz NDIV • 50kΩ RSET , NDIV = 1,4,16 …16384 Applying a voltage between 0V and 1V on the MOD pin sets the duty cycle.
The four versions differ in their minimum/maximum duty cycle.
Note that a minimum duty cycle limit of 0% or maximum duty cycle limit of 100% allows oscillations to stop at the extreme duty cycle settings.
DEVICE NAME LTC6992-1 LTC6992-2 LTC6992-3 LTC6992-4 PWM DUTY CYCLE RANGE 0% to 100% 5% to 95% 0% to 95% 5% to 100% For easy configuration of the LTC6992, use the TimerBlox L...


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