Datasheet LTC3626 (Analog Devices) - 6
| 制造商 | Analog Devices |
| 描述 | 20V, 2.5A Synchronous Monolithic Step-Down Regulator with Current and Temperature Monitoring |
| 页数 / 页 | 28 / 6 — Typical perForMance characTerisTics. TA = 25°C, PVIN = SVIN = 12V, f = … |
| 文件格式/大小 | PDF / 398 Kb |
| 文件语言 | 英语 |
Typical perForMance characTerisTics. TA = 25°C, PVIN = SVIN = 12V, f = 1MHz unless otherwise noted. Output Current Monitor
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LTC3626
Typical perForMance characTerisTics TA = 25°C, PVIN = SVIN = 12V, f = 1MHz unless otherwise noted. Output Current Monitor Output Current Monitor Error vs Output Current vs Output Current
2.50 156 5 2.25 4 IMON 3 2.00 125 2 OUT 1.75 CURRENT (µA) 1 • 16000 (A) 1.50 94 0 OUT 1.25 –1 IMON –2 1.00 63 –3 CALCULATED OUTPUT CURRENT, TA = 85°C TA = 85°C 0.75 TA = 25°C –4 TA = 25°C TA = –40°C MEASURED OUTPUT CURRENT ERROR (%) TA = –40°C 0.50 31 –5 0.5 0.75 1.0 1.25 1.5 1.75 2.0 2.25 2.5 1 1.25 1.5 1.75 2 2.25 2.5 OUTPUT CURRENT (A) OUTPUT CURRENT (A) 3626 G09 3626 G10
Input Current Monitor Input Current Monitor Error Quiescent Current vs VIN vs Input Current vs Input Current (Burst Mode Operation)
0.50 31 10 500 8 0.45 28 450 6 IMON 0.40 25 400 4 IN 0.35 22 CURRENT (µA) 2 350 • 16000 (A) 0.30 19 0 (µA) 300 IN I Q –2 0.25 16 250 IMON –4 0.20 13 200 CALCULATED INPUT CURRENT, T –6 A = 85°C TA = 85°C TA = 85°C 0.15 TA = 25°C 9 TA = 25°C 150 TA = 25°C T MEASURED INPUT CURRENT ERROR (%) –8 A = –40°C TA = –40°C TA = –40°C 0.10 6 –10 100 0.1 0.15 0.2 0.25 0.3 0.35 0.4 0.45 0.5 0.16 0.20 0.24 0.28 0.32 0.36 0.40 0.44 0.48 4 6 8 10 12 14 16 18 20 INPUT CURRENT (A) INPUT CURRENT (A) INPUT VOLTAGE (V) 3626 G11 3626 G12 3626 G13
Oscillator Frequency Oscillator Internal Set Frequency TRACK/SS Pull-Up Current vs Temperature vs Temperature vs Temperature
10 2.6 2.0 RT = 158kΩ RT = INTVCC 8 2.4 1.8 6 4 1.6 2.2 2 (µA) 1.4 0 2.0 –2 1.2 I TRACK/SS –4 FREQUENCY (MHz) 1.8 1.0 FREQUENCY VARIATION (%) –6 1.6 0.8 –8 –10 1.4 0.6 –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) 3626 G14 3626 G15 3626 G16 3626fa 6 For more information www.linear.com/LTC3626 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Functional Diagram Operation Applications Information Typical Applications Package Description Revision History Typical Application Related Parts
Typical perForMance characTerisTics TA = 25°C, PVIN = SVIN = 12V, f = 1MHz unless otherwise noted. Output Current Monitor Output Current Monitor Error vs Output Current vs Output Current
2.50 156 5 2.25 4 IMON 3 2.00 125 2 OUT 1.75 CURRENT (µA) 1 • 16000 (A) 1.50 94 0 OUT 1.25 –1 IMON –2 1.00 63 –3 CALCULATED OUTPUT CURRENT, TA = 85°C TA = 85°C 0.75 TA = 25°C –4 TA = 25°C TA = –40°C MEASURED OUTPUT CURRENT ERROR (%) TA = –40°C 0.50 31 –5 0.5 0.75 1.0 1.25 1.5 1.75 2.0 2.25 2.5 1 1.25 1.5 1.75 2 2.25 2.5 OUTPUT CURRENT (A) OUTPUT CURRENT (A) 3626 G09 3626 G10
Input Current Monitor Input Current Monitor Error Quiescent Current vs VIN vs Input Current vs Input Current (Burst Mode Operation)
0.50 31 10 500 8 0.45 28 450 6 IMON 0.40 25 400 4 IN 0.35 22 CURRENT (µA) 2 350 • 16000 (A) 0.30 19 0 (µA) 300 IN I Q –2 0.25 16 250 IMON –4 0.20 13 200 CALCULATED INPUT CURRENT, T –6 A = 85°C TA = 85°C TA = 85°C 0.15 TA = 25°C 9 TA = 25°C 150 TA = 25°C T MEASURED INPUT CURRENT ERROR (%) –8 A = –40°C TA = –40°C TA = –40°C 0.10 6 –10 100 0.1 0.15 0.2 0.25 0.3 0.35 0.4 0.45 0.5 0.16 0.20 0.24 0.28 0.32 0.36 0.40 0.44 0.48 4 6 8 10 12 14 16 18 20 INPUT CURRENT (A) INPUT CURRENT (A) INPUT VOLTAGE (V) 3626 G11 3626 G12 3626 G13
Oscillator Frequency Oscillator Internal Set Frequency TRACK/SS Pull-Up Current vs Temperature vs Temperature vs Temperature
10 2.6 2.0 RT = 158kΩ RT = INTVCC 8 2.4 1.8 6 4 1.6 2.2 2 (µA) 1.4 0 2.0 –2 1.2 I TRACK/SS –4 FREQUENCY (MHz) 1.8 1.0 FREQUENCY VARIATION (%) –6 1.6 0.8 –8 –10 1.4 0.6 –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) 3626 G14 3626 G15 3626 G16 3626fa 6 For more information www.linear.com/LTC3626 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Functional Diagram Operation Applications Information Typical Applications Package Description Revision History Typical Application Related Parts