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LTC6902CMS 数据表(PDF) 2 Page - Linear Technology |
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LTC6902CMS 数据表(HTML) 2 Page - Linear Technology |
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2 / 16 page  LTC6902 2 6902f SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS ∆fOUT Frequency Accuracy (Notes 2, 3) V+ = 5V 5kHz ≤ fOUT ≤ 10MHz ±0.5 ±1.5 % 1kHz ≤ fOUT ≤ 5kHz ±2.0 % 10MHz ≤ fOUT ≤ 20MHz q ±3.0 ±4.0 % 5kHz ≤ fOUT ≤ 10MHz, LTC6902C q ±2.0 % 5kHz < fOUT ≤ 10MHz, LTC6902I q ±2.5 % V+ = 2.7V 5kHz ≤ fOUT ≤ 10MHz ±0.5 ±1.5 % 1kHz ≤ fOUT ≤ 5kHz ±2.0 % 5kHz ≤ fOUT ≤ 10MHz, LTC6902C q ±2.0 % 5kHz ≤ fOUT ≤ 10MHz, LTC6902I q ±2.5 % RSET Frequency Setting Resistor Range ∆fOUT < 1.5%, V+ = 5V q 20 400 k Ω ∆fOUT < 1.5%, V+ = 2.7V q 20 400 k Ω ∆fOUT/∆T Frequency Drift Over Temperature RSET = 63.2k q ±0.004 %/ °C (Note 3) ∆fOUT/∆V Frequency Drift Over Supply (Note 3) V+ = 2.7V to 5V, RSET = 63.2k q 0.04 0.12 %/V Timing Jitter (Note 4) 20k ≤ RSET ≤ 400k Pin 2 = V+ (N = 100) 0.1 % Pin 2 = Open (N = 10) 0.2 % Pin 2 = 0V (N = 1) 0.6 % Long-Term Stability of 300 ppm/ √kHr Output Frequency Duty Cycle (Note 5) Pin 2 = V+ or Open (N = 100 or 10) Pin 3 = 0V (2-Phase, M = 1) q 49.0 50.0 51.0 % Pin 3 = Open (3-Phase, M = 3) q 32.3 33.3 34.3 % Pin 3 = V+ (4-Phase, M = 4) q 49.0 50.0 51.0 % Pin 2 = 0V (N = 1) Pin 3 = 0V (2-Phase, M = 1) q 45.0 50.0 55.0 % Pin 3 = Open (3-Phase, M = 3) q 32.3 33.3 34.3 % Pin 3 = V+ (4-Phase, M = 4) q 49.0 50.0 51.0 % (Note 1) Supply Voltage (V+) to GND ........................– 0.3V to 6V Voltage On Any Pin (Referred to GND) ......................... – 0.3V to (V+ + 0.3V) Operating Temperature Range (Note 9) LTC6902C .......................................... – 40 °C to 85°C LTC6902I ............................................ – 40 °C to 85°C Specified Temperature Range (Note 10) LTC6902C .......................................... – 40 °C to 85°C LTC6902I ............................................ – 40 °C to 85°C Storage Temperature Range ................. – 65 °C to 150°C Lead Temperature (Soldering, 10 sec).................. 300 °C ABSOLUTE AXI U RATI GS PACKAGE/ORDER I FOR ATIO Consult LTC Marketing for parts specified with wider operating temperature ranges. ORDER PART NUMBER MS PART MARKING LTK2 LTK3 LTC6902CMS LTC6902IMS TJMAX = 150°C, θJA = 250°C/W 1 2 3 4 5 V+ DIV PH OUT1 OUT2 10 9 8 7 6 SET MOD GND OUT4 OUT3 TOP VIEW MS PACKAGE 10-LEAD PLASTIC MSOP The q denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. V+ = 2.7V to 5.5V, RL= 5k, CL = 5pF, Pin 3 (PH) = 0V (2-phase, M = 1) unless otherwise specified. Pin 9 (MOD) is at 0V unless otherwise specified. RSET is defined as a resistor connected from the SET pin to the V+ pin. RMOD is defined as a resistor connected from the MOD pin to the V+ pin. ELECTRICAL CHARACTERISTICS |
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