Datasheet LTC3310S (Analog Devices) - 6
| 制造商 | Analog Devices |
| 描述 | 5V, 10A Synchronous Step-Down Silent Switcher 2 in 3mm x 3mm LQFN |
| 页数 / 页 | 30 / 6 — TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. … |
| 修订版 | B |
| 文件格式/大小 | PDF / 2.9 Mb |
| 文件语言 | 英语 |
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. Feedback Reference Voltage. Switch On-Resistance
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LTC3310S
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. Feedback Reference Voltage Switch On-Resistance Switch On-Resistance
505 24 25 PMOS V 504 22 IN = 3.3V NMOS PMOS 503 20 20 NMOS 502 18 16 TAGE (mV) 501 15 (mΩ) 14 (mΩ) 500 12 499 10 R DS(ON) 10 R DS(ON) 498 8 REFERENCE VOL 497 6 5 496 4 495 2 0 –50 –25 0 25 50 75 100 125 2.0 2.5 3.0 3.5 4.0 4.5 50 5.5 –50 –25 0 25 50 75 100 125 TEMPERATURE (°C) INPUT VOLTAGE (V) TEMPERATURE (°C) 3310S G08 3310S G09 3310S G10
Switch Leakage Default Switching Frequency VIN UVLO
6 2.4 2.5 PMOS 5 NMOS 2.3 2.3 2.2 4 2.1 3 2.1 2.0 2 UVLO (V) T FREQUENCY (MHz) 1.9 V IN 1.9 1 AUL 1.8 DEF 1.7 SWITCH LEAKAGE CURRENT (µA) 0 1.7 RISING FALLING –1 1.6 1.5 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) 3310S G11 3310S G12 3310S G13
Switching Frequency EN Pin Thresholds Soft-Start Current
2.20 410 10.8 RT = 274kΩ EN RISING 2.15 400 10.7 2.10 10.6 390 2.05 10.5 380 2.00 10.4 370 T CURRENT (µA) 1.95 AR 10.3 FREQUENCY (MHz) EN THRESHOLD (mV) 360 T-ST 1.90 EN FALLING SOF 10.2 1.85 350 10.1 1.80 340 10.0 –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) 3310S G14 3310S G15 3310S G16 Rev. B 6 For more information www.analog.com Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Package Description Revision History Typical Application Related Parts
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. Feedback Reference Voltage Switch On-Resistance Switch On-Resistance
505 24 25 PMOS V 504 22 IN = 3.3V NMOS PMOS 503 20 20 NMOS 502 18 16 TAGE (mV) 501 15 (mΩ) 14 (mΩ) 500 12 499 10 R DS(ON) 10 R DS(ON) 498 8 REFERENCE VOL 497 6 5 496 4 495 2 0 –50 –25 0 25 50 75 100 125 2.0 2.5 3.0 3.5 4.0 4.5 50 5.5 –50 –25 0 25 50 75 100 125 TEMPERATURE (°C) INPUT VOLTAGE (V) TEMPERATURE (°C) 3310S G08 3310S G09 3310S G10
Switch Leakage Default Switching Frequency VIN UVLO
6 2.4 2.5 PMOS 5 NMOS 2.3 2.3 2.2 4 2.1 3 2.1 2.0 2 UVLO (V) T FREQUENCY (MHz) 1.9 V IN 1.9 1 AUL 1.8 DEF 1.7 SWITCH LEAKAGE CURRENT (µA) 0 1.7 RISING FALLING –1 1.6 1.5 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) 3310S G11 3310S G12 3310S G13
Switching Frequency EN Pin Thresholds Soft-Start Current
2.20 410 10.8 RT = 274kΩ EN RISING 2.15 400 10.7 2.10 10.6 390 2.05 10.5 380 2.00 10.4 370 T CURRENT (µA) 1.95 AR 10.3 FREQUENCY (MHz) EN THRESHOLD (mV) 360 T-ST 1.90 EN FALLING SOF 10.2 1.85 350 10.1 1.80 340 10.0 –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) 3310S G14 3310S G15 3310S G16 Rev. B 6 For more information www.analog.com Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Package Description Revision History Typical Application Related Parts