Datasheet LTC6992-1, LTC6992-2, LTC6992-3, LTC6992-4 (Analog Devices) - 8

HerstellerAnalog Devices
BeschreibungTimerBlox: Voltage-Controlled Pulse Width Modulator (PWM)
Seiten / Seite34 / 8 — TYPICAL PERFORMANCE CHARACTERISTICS. V+ = 3.3V, RSET = 200k, and TA = …
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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 Error vs RSET NDIV > 1 Duty Cycle Error vs RSET NDIV > 1 Duty Cycle Error vs RSET
5 5 5 VMOD/VSET = 0.2 (12.5%) VMOD/VSET = 0.5 (50%) VMOD/VSET = 0.8 (87.5%) 4 DIVCODE = 4 4 DIVCODE = 4 4 DIVCODE = 4 3 PARTS 3 PARTS 3 PARTS 3 3 3 2 2 2 1 1 1 0 0 0 ERROR (%) –1 ERROR (%) –1 ERROR (%) –1 –2 –2 –2 –3 –3 –3 –4 –4 –4 –5 –5 –5 50 100 200 400 800 50 100 200 400 800 50 100 200 400 800 RSET (k) RSET (k) RSET (k) 6992 G13 6992 G14 6992 G15
NDIV = 1 Duty Cycle Clamps NDIV = 1 Duty Cycle Error vs RSET NDIV > 1 Duty Cycle Error vs RSET vs Temperature
97 97 5 DIVCODE = 0 DIVCODE = 4 96 3 PARTS 96 3 PARTS 4 GUARANTEED MAX 95 95 3 VMOD/VSET = 0.2 (12.5%) 94 DIVCODE = 0 LTC6992-2/LTC6992-3 94 2 3 PARTS 93 VMOD = VSET 93 LTC6992-2/LTC6992-3 92 92 VMOD = VSET 1 0 8 ERROR (%) 8 ERROR (%) ERROR (%) –1 7 LTC6992-2/LTC6992-4 LTC6992-2/LTC6992-4 7 V –2 6 V MOD = VSET MOD = VSET 6 –3 5 5 4 4 –4 GUARANTEED MIN 3 3 –5 50 100 200 400 800 50 100 200 400 800 –50 –25 0 25 50 75 100 125 RSET (k) RSET (k) TEMPERATURE (°C) 6992 G16 6992 G17 6992 G18
NDIV = 1 Duty Cycle Error NDIV = 1 Duty Cycle Error NDIV > 1 Duty Cycle Error vs Temperature vs Temperature vs Temperature
5 5 5 4 GUARANTEED MAX 4 GUARANTEED MAX 4 GUARANTEED MAX V V 3 VMOD/VSET = 0.5 (50%) 3 MOD/VSET = 0.8 (87.5%) MOD/VSET = 0.2 (12.5%) DIVCODE = 0 DIVCODE = 0 3 DIVCODE = 4 2 3 PARTS 2 3 PARTS 2 3 PARTS 1 1 1 0 0 0 ERROR (%) –1 ERROR (%) –1 ERROR (%) –1 –2 –2 –2 –3 –3 –3 –4 GUARANTEED MIN –4 GUARANTEED MIN –4 GUARANTEED MIN –5 –5 –5 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 6992 G19 6992 G20 6992 G21 Rev. D 8 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