Datasheet LTC6992-1, LTC6992-2, LTC6992-3, LTC6992-4 (Analog Devices) - 10

ManufacturerAnalog Devices
DescriptionTimerBlox: Voltage-Controlled Pulse Width Modulator (PWM)
Pages / Page34 / 10 — TYPICAL PERFORMANCE CHARACTERISTICS. V+ = 3.3V, RSET = 200k, and TA = …
File Format / SizePDF / 1.4 Mb
Document LanguageEnglish

TYPICAL PERFORMANCE CHARACTERISTICS. V+ = 3.3V, RSET = 200k, and TA = 25°C, unless. otherwise noted

TYPICAL PERFORMANCE CHARACTERISTICS V+ = 3.3V, RSET = 200k, and TA = 25°C, unless otherwise noted

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LTC6992-1/LTC6992-2/ LTC6992-3/LTC6992-4
TYPICAL PERFORMANCE CHARACTERISTICS V+ = 3.3V, RSET = 200k, and TA = 25°C, unless otherwise noted. NDIV > 1 Duty Cycle vs VMOD/ VSET NDIV = 1 Duty Cycle Error vs Ideal NDIV > 1 Duty Cycle Error vs Ideal
100 5 5 LTC6992-1/LTC6992-3 DIVCODE = 0 DIVCODE = 4 90 4 3 PARTS 4 3 PARTS 80 3 3 70 LTC6992-2/ 2 2 LTC6992-4 60 1 PART C 1 PART B PART B PART C 50 0 0 40 ERROR (%) –1 PART A ERROR (%) –1 DUTY CYCLE (%) LTC6992-2/ 30 LTC6992-3 –2 –2 PART A 20 –3 –3 10 DIVCODE = 11 LTC6992-1/ –4 –4 3 PARTS LTC6992-4 0 –5 –5 0 0.2 0.4 0.6 0.8 1 0 25 50 75 100 0 25 50 75 100 VMOD/VSET (V/V) IDEAL DUTY CYCLE (%) IDEAL DUTY CYCLE (%) 6992 G31 6992 G32 6992 G33
NDIV > 1 Duty Cycle Error vs Ideal Linearity Near 100% Duty Cycle Linearity Near 95% Duty Cycle
5 100 100 DIVCODE = 11 DIVCODE = 4 DIVCODE = 4 4 3 PARTS 99 LTC6992-1/LTC6992-4 99 LTC6992-2/LTC6992-3 98 3 PARTS 98 3 PARTS 3 PART A 97 97 2 PART C 96 96 1 95 95 0 PART B 94 94 ERROR (%) –1 93 93 DUTY CYCLE (%) 92 DUTY CYCLE (%) 92 –2 91 91 –3 90 90 –4 89 89 –5 88 88 0 25 50 75 100 0.804 0.836 0.868 0.9 0.804 0.836 0.868 0.9 IDEAL DUTY CYCLE (%) VMOD/VSET (V/V) VMOD/VSET (V/V) 6992 G34 6992 G35 6992 G36
Linearity Near 67% Duty Cycle Linearity Near 0% Duty Cycle Linearity Near 5% Duty Cycle
72 12 12 DIVCODE = 4 DIVCODE = 4 DIVCODE = 4 71 3 PARTS 11 LTC6992-1/LTC6992-3 11 LTC6992-2/LTC6992-4 3 PARTS 10 3 PARTS 70 10 9 9 69 8 8 68 7 7 67 6 6 66 5 5 DUTY CYCLE (%) DUTY CYCLE (%) DUTY CYCLE (%) 4 65 4 3 3 64 2 2 63 1 1 62 0 0 0.596 0.612 0.628 0.644 0.66 0.676 0.084 0.116 0.148 0.18 0.084 0.116 0.148 0.18 VMOD/VSET (V/V) VMOD/VSET (V/V) VMOD/VSET (V/V) 6992 G37 6992 G38 6992 G39 Rev. D 10 For more information www.analog.com 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