LTC6992HDCB-2#TRMPBF Linear Technology, LTC6992HDCB-2#TRMPBF Datasheet

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... High Vibration, High Acceleration Environments n Portable and Battery-Powered Equipment L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks and TimerBlox and ThinSOT are trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners. TYPICAL APPLICATION ...

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... LTC6992IDCB-2#TRPBF LTC6992HDCB-2#PBF LTC6992HDCB-2#TRPBF LTC6992CS6-2#PBF LTC6992CS6-2#TRPBF LTC6992IS6-2#PBF LTC6992IS6-2#TRPBF LTC6992HS6-2#PBF LTC6992HS6-2#TRPBF LTC6992CDCB-3#PBF LTC6992CDCB-3#TRPBF LTC6992IDCB-3#PBF LTC6992IDCB-3#TRPBF LTC6992HDCB-3#PBF LTC6992HDCB-3#TRPBF 2 (Note 1) Specified Temperature Range (Note 3) LTC6992C ................................................ 0°C to 70°C + ≤ 0.3V) LTC6992I .............................................–40°C to 85°C PIN LTC6992H .......................................... –40°C to 125°C Junction Temperature .......................................... 150°C Storage Temperature Range .................. – ...

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... LTC6992IS6-3#TRPBF LTC6992HS6-3#PBF LTC6992HS6-3#TRPBF LTC6992CDCB-4#PBF LTC6992CDCB-4#TRPBF LTC6992IDCB-4#PBF LTC6992IDCB-4#TRPBF LTC6992HDCB-4#PBF LTC6992HDCB-4#TRPBF LTC6992CS6-4#PBF LTC6992CS6-4#TRPBF LTC6992IS6-4#PBF LTC6992IS6-4#TRPBF LTC6992HS6-4#PBF LTC6992HS6-4#TRPBF Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container. Consult LTC Marketing for information on non-standard lead based finish parts. ...

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LTC6992-1/LTC6992-2/ LTC6992-3/LTC6992-4 ELECTRICAL CHARACTERISTICS temperature range, otherwise specifications are at T DIVCODE = 16,384), R DIV SYMBOL PARAMETER Power Supply + V Operating Supply Voltage Range Power-On Reset Voltage I Supply Current S ...

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ELECTRICAL CHARACTERISTICS temperature range, otherwise specifications are at T DIVCODE = 16,384), R DIV SYMBOL PARAMETER t Output Rise Time (Note Output Fall Time (Note 8) f Note 1: Stresses ...

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LTC6992-1/LTC6992-2/ LTC6992-3/LTC6992-4 TYPICAL PERFORMANCE CHARACTERISTICS otherwise noted. Frequency Error vs Temperature 3 GUARANTEED MAX OVER TEMPERATURE 50k SET 3 PARTS 1 0 –1 –2 GUARANTEED MIN OVER TEMPERATURE –3 –50 – 100 TEMPERATURE ...

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TYPICAL PERFORMANCE CHARACTERISTICS otherwise noted Duty Cycle Error vs R DIV SET 0.2 (12.5%) MOD SET 4 DIVCODE = 0 3 PARTS –1 –2 –3 –4 –5 50 100 ...

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LTC6992-1/LTC6992-2/ LTC6992-3/LTC6992-4 TYPICAL PERFORMANCE CHARACTERISTICS otherwise noted Duty Cycle Error DIV vs Temperature 5 4 GUARANTEED MAX 0.2 (12.5%) MOD SET 3 DIVCODE = PARTS 1 0 –1 –2 –3 –4 ...

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TYPICAL PERFORMANCE CHARACTERISTICS otherwise noted. Duty Cycle Error vs DIVCODE 0.2 (12.5%) MOD SET 4 3 PARTS –1 –2 –3 –4 – DIVCODE 6992 ...

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LTC6992-1/LTC6992-2/ LTC6992-3/LTC6992-4 TYPICAL PERFORMANCE CHARACTERISTICS otherwise noted. Linearity Near 100% Duty Cycle 100 DIVCODE = 4 99 LTC6992-1/LTC6992-4 3 PARTS 0.804 0.836 0.868 0 (V/V) MOD SET ...

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TYPICAL PERFORMANCE CHARACTERISTICS otherwise noted. Supply Current vs Supply Voltage 400 R = 50k, ÷1 SET 350 R = 50k, ÷4 SET 300 R = 50k, ÷16 250 SET 200 R = 100k, ÷1 SET 150 100 R = 800k, ...

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LTC6992-1/LTC6992-2/ LTC6992-3/LTC6992-4 TYPICAL PERFORMANCE CHARACTERISTICS otherwise noted. Typical Start-Up, POL = 1V/DIV OUT 500μs 1V/DIV 6992 G53 100μs/DIV + V = 2.5V DIVCODE = 3 (÷64 50k SET V = 0.3V (~25% DUTY CYCLE) MOD ...

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PIN FUNCTIONS (DCB/S6) MOD (Pin 4/Pin 1): Pulse-Width Modulation Input. The voltage on the MOD pin controls the output duty cycle. The linear control range is between 0.1 • V (approximately 100mV to 900mV). Beyond those limits, the output will ...

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LTC6992-1/LTC6992-2/ LTC6992-3/LTC6992-4 OPERATION The LTC6992 is built around a master oscillator with a 1MHz maximum frequency. The oscillator is controlled by the SET pin current (I ) and voltage (V SET 1MHz • 50k conversion factor that is accurate to ...

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OPERATION Table 1. DIVCODE Programming DIVCODE POL N DIV 256 5 0 1024 6 0 4096 7 0 16384 8 1 16384 9 1 4096 10 ...

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LTC6992-1/LTC6992-2/ LTC6992-3/LTC6992-4 OPERATION Pulse Width (Duty Cycle) Modulation The MOD pin is a high impedance analog input providing direct control of the output duty cycle. The duty cycle is proportional to the voltage applied to the MOD pin ...

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OPERATION POL = 1 forces a simple logic inversion changes the duty cycle range of the LTC6992-3 (making it 100% to 5%) and LTC6992-4 (making it 95% to 0%). These transfer functions are detailed in Figure 4. 100 ...

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LTC6992-1/LTC6992-2/ LTC6992-3/LTC6992-4 OPERATION Changing DIVCODE After Start-Up Following start-up, the A/D converter will continue monitoring V for changes. Changes to DIVCODE will DIV be recognized slowly, as the LTC6992 places a priority on eliminating any “wandering” in the DIVCODE. The ...

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APPLICATIONS INFORMATION Basic Operation The simplest and most accurate method to program the LTC6992 is to use a single resistor, R SET and GND pins. The design procedure is a four step process. After choosing the proper LTC6992 version and ...

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LTC6992-1/LTC6992-2/ LTC6992-3/LTC6992-4 APPLICATIONS INFORMATION Step 4: Select R SET Calculate the correct value for R SET 1MHz • 50k = = 625k R SET 4 • 20kHz Since 625k is not available as a standard 1% resistor, substitute 619k if ...

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APPLICATIONS INFORMATION I Extremes (Master Oscillator Frequency Extremes) SET When operating with I outside of the recommended SET 1.25μA to 20μA range, the master oscillator operates outside of the 62.5kHz to 1MHz range in which it is most accurate. The ...

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LTC6992-1/LTC6992-2/ LTC6992-3/LTC6992-4 APPLICATIONS INFORMATION Power Supply Current The power supply current varies with frequency, supply voltage and output loading. It can be estimated under any condition using the following equation (DIVCODE = 0 or 15): DIV ...

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APPLICATIONS INFORMATION + DIV R2 SET R SET TYPICAL APPLICATIONS MOD OUT LTC6992 + GND V SET DIV R SET OUT GND MOD R DFN PACKAGE Figure 14. Supply Bypassing ...

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LTC6992-1/LTC6992-2/ LTC6992-3/LTC6992-4 TYPICAL APPLICATIONS Digitally Controlled Duty Cycle with Internal V V OUT ANALOG PWM DUTY CYCLE CONTROL MOD (0V TO 1V) LTC6992-X GND SET R SET 24 Reference Variation Eliminated REF MOD OUT LTC6992 0.1μF GND + ...

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TYPICAL APPLICATIONS ANALOG PWM DUTY CYCLE CONTROL MOD (0V TO 1V) LTC6992-X GND + V f MAX R VCO SET f MIN R SET ‘HC04 NOTES WHILE THIS CIRCUIT IS SIMPLER THAN THE CIRCUIT TO THE RIGHT, ITS FREQUENCY ACCURACY ...

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LTC6992-1/LTC6992-2/ LTC6992-3/LTC6992-4 TYPICAL APPLICATIONS Motor Speed/Direction Control for Full H-Bridge (Locked Anti-Phase Drive) INPUT MOD LTC6992-2 GND SET R3 300k Motor Speed/Direction Control for Full H-Bridge (Sign/Magnitude Drive) INPUT MOD LTC6992-2 GND SET R3 ...

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TYPICAL APPLICATIONS Ratiometric Sensor to Pulse Width, Non-Inverting Response V = 2. 10k R SENSOR K • 2. 100k ...

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LTC6992-1/LTC6992-2/ LTC6992-3/LTC6992-4 TYPICAL APPLICATIONS V = 2. 130k R6 8.66k 2ms SERVO CONTROL POT 10k 1ms Direct Voltage Controlled PWM Dimming (0 to 15000 Cd/m V DIMMING 28 Radio Control Servo Pulse Generator R6 9.09k R6 ...

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TYPICAL APPLICATIONS Wide Range LED Dimming (0 to 85000 Cd/m R2 7.5k 5V 0.1μ – 10k – + LT6004 + LT6004 R4 R3 7.5k 10k V REF R 61.9k V DIMMING 0V TO 1.65V V SLOW R 124k ...

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LTC6992-1/LTC6992-2/ LTC6992-3/LTC6992-4 PACKAGE DESCRIPTION 1.65 ±0.05 3.55 ±0.05 (2 SIDES) 2.15 ±0.05 RECOMMENDED SOLDER PAD PITCH AND DIMENSIONS PIN 1 BAR TOP MARK (SEE NOTE 6) 0.200 REF 30 DCB Package 6-Lead Plastic DFN (2mm × 3mm) (Reference LTC DWG ...

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... MOLD FLASH SHALL NOT EXCEED 0.254mm 6. JEDEC PACKAGE REFERENCE IS MO-193 Information furnished by Linear Technology Corporation is believed to be accurate and reliable. However, no responsibility is assumed for its use. Linear Technology Corporation makes no representa- tion that the interconnection of its circuits as described herein will not infringe on existing patent rights. LTC6992-1/LTC6992-2/ ...

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... Resistor Set Pulse Width from 1μs to 34sec, No Caps, 3% Accurate Resistor Set Delay from 1μs to 34sec, No Caps Required, 3% Accurate www.linear.com ● 0.22μF 3.92M 124k 300mA ISP R SENSE 330mΩ C2 4.7μF ISN TG GND 6992 TA15 = 35μA at 400kHz 69921234f LT 0810 • PRINTED IN USA © LINEAR TECHNOLOGY CORPORATION 2010 ...