LTC6992CDCB-2#TRMPBF Linear Technology, LTC6992CDCB-2#TRMPBF Datasheet
LTC6992CDCB-2#TRMPBF
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LTC6992CDCB-2#TRMPBF Summary of contents
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... High Vibration, High Acceleration Environments n Portable and Battery-Powered Equipment L, LT, LTC and LTM, Linear Technology, TimerBlox and the Linear logo are registered trademarks and ThinSOT is a trademark of Linear Technology Corporation. All other trademarks are the property of their respective owners. TYPICAL APPLICATION ...
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... ORDER INFORMATION Lead Free Finish TAPE AND REEL (MINI) TAPE AND REEL LTC6992CDCB-1#TRMPBF LTC6992CDCB-1#TRPBF LTC6992IDCB-1#TRMPBF LTC6992IDCB-1#TRPBF LTC6992HDCB-1#TRMPBF LTC6992HDCB-1#TRPBF LTC6992CS6-1#TRMPBF LTC6992CS6-1#TRPBF LTC6992IS6-1#TRMPBF LTC6992IS6-1#TRPBF LTC6992HS6-1#TRMPBF LTC6992HS6-1#TRPBF LTC6992CDCB-2#TRMPBF LTC6992CDCB-2#TRPBF LTC6992IDCB-2#TRMPBF LTC6992IDCB-2#TRPBF LTC6992HDCB-2#TRMPBF LTC6992HDCB-2#TRPBF LTC6992CS6-2#TRMPBF LTC6992CS6-2#TRPBF LTC6992IS6-2#TRMPBF LTC6992IS6-2#TRPBF LTC6992HS6-2#TRMPBF LTC6992HS6-2#TRPBF LTC6992CDCB-3#TRMPBF LTC6992CDCB-3#TRPBF LTC6992IDCB-3#TRMPBF LTC6992IDCB-3#TRPBF LTC6992HDCB-3#TRMPBF LTC6992HDCB-3#TRPBF ...
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ORDER INFORMATION Lead Free Finish TAPE AND REEL (MINI) TAPE AND REEL LTC6992HDCB-4#TRMPBF LTC6992HDCB-4#TRPBF LTC6992CS6-4#TRMPBF LTC6992CS6-4#TRPBF LTC6992IS6-4#TRMPBF LTC6992IS6-4#TRPBF LTC6992HS6-4#TRMPBF LTC6992HS6-4#TRPBF TRM = 500 pieces. *Temperature grades are identified by a label on the shipping container. Consult LTC Marketing for 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 I Supply Current S Analog Inputs V Voltage at SET Pin SET ΔV /ΔT V ...
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ELECTRICAL CHARACTERISTICS Note 1: Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. Exposure to any Absolute Maximum Rating condition for extended periods may affect device reliability and lifetime. Note 2: The LTC6992C is ...
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LTC6992-1/LTC6992-2/ LTC6992-3/LTC6992-4 TYPICAL PERFORMANCE CHARACTERISTICS otherwise noted. Frequency Error vs R SET 3 GUARANTEED MAX OVER TEMPERATURE 2 3 PARTS 1 0 –1 –2 GUARANTEED MIN OVER TEMPERATURE –3 50 200 400 800 100 R (k) SET 6992 G04 V ...
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TYPICAL PERFORMANCE CHARACTERISTICS otherwise noted. N > 1 Duty Cycle Error vs R DIV SET 0.2 (12.5%) MOD SET 4 DIVCODE = 4 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. N > 1 Duty Cycle Error DIV vs Temperature 5 4 GUARANTEED MAX 0.5 (50%) MOD SET 3 DIVCODE = 4 3 PARTS –1 –2 –3 –4 ...
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TYPICAL PERFORMANCE CHARACTERISTICS otherwise noted. N > 1 Duty Cycle DIV MOD SET 100 LTC6992-1/LTC6992 LTC6992-2/ 70 LTC6992 LTC6992-2/ 30 LTC6992-3 20 DIVCODE = 11 LTC6992- PARTS LTC6992-4 0 ...
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LTC6992-1/LTC6992-2/ LTC6992-3/LTC6992-4 TYPICAL PERFORMANCE CHARACTERISTICS otherwise noted. Linearity Near 31% Duty Cycle 36 DIVCODE = PARTS 0.308 0.324 0.34 0.356 0.372 0.388 V /V (V/V) MOD SET 6992 ...
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TYPICAL PERFORMANCE CHARACTERISTICS otherwise noted. Typical Frequency Error vs Time (Long-Term Drift) 200 65 UNITS SOT-23 AND DFN PARTS 150 T = 30°C A 100 50 0 –50 –100 –150 –200 0 400 800 1200 1600 2000 2400 2800 TIME ...
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LTC6992-1/LTC6992-2/ LTC6992-3/LTC6992-4 PIN FUNCTIONS (DCB/S6 (Pin 1/Pin 5): Supply Voltage (2.25V to 5.5V). This sup- ply should be kept free from noise and ripple. It should be bypassed directly to the GND pin with a 0.1μF capacitor. DIV ...
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BLOCK DIAGRAM (S6 Package Pin Numbers Shown DIV 4-BIT A/D DIGITAL 4 CONVERTER FILTER R2 MASTER OSCILLATOR f OSC HALT OSCILLATOR IF I < 500nA SET V 3 SET I SET R SET I SET MCLK ...
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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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... DIV the value for the R resistor. SET Alternatively, Linear Technology offers the easy to use TimerBlox Designer tool to quickly design any LTC6992 based circuit. Download the free TimerBlox Designer software at www.linear.com/timerblox. Step 1: Selecting the POL Bit Setting Most applications will use POL = 0, resulting in a positive transfer function ...
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LTC6992-1/LTC6992-2/ LTC6992-3/LTC6992-4 APPLICATIONS INFORMATION ing a large R resistor. POL = 0 and N SET DIVCODE = 1. Using Table 1, choose the R1 and R2 values to program DIVCODE = 1. Step 4: Select R SET Calculate the correct ...
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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 V DIMMING 0V TO 1.65V V FAST FAST PWM CONTROLS 6000 ...
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LTC6992-1/LTC6992-2/ LTC6992-3/LTC6992-4 TYPICAL APPLICATIONS + V 0.1μF R14 10k R2 LT1011 – 100k 1kHz MOD + SOURCE C1 LTC6992-2 PWM R15 1μF 10k GND R1 10k SET + 0.1μF V R10 100kHz 499k INTERMEDIATE PWM – + LT1636 CONCEPT DESIGN ...
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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 DCB Package 6-Lead Plastic DFN (2mm × 3mm) (Reference LTC DWG # 05-08-1715 Rev ...
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LTC6992-1/LTC6992-2/ LTC6992-3/LTC6992-4 PACKAGE DESCRIPTION 0.62 0.95 MAX REF 3.85 MAX 2.62 REF RECOMMENDED SOLDER PAD LAYOUT PER IPC CALCULATOR 0.20 BSC DATUM ‘A’ 0.30 – 0.50 REF NOTE: 1. DIMENSIONS ARE IN MILLIMETERS 2. DRAWING NOT TO SCALE 3. DIMENSIONS ...
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... Typical Applications drawing 6692 TA13 OUT 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. in the Electrical Characteristics table. ...
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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 69921234fb LT 0711 REV B • PRINTED IN USA © LINEAR TECHNOLOGY CORPORA TION 2010 ...