Datasheet LTC3308A (Analog Devices) - 6
| 制造商 | Analog Devices |
| 描述 | 5V, 4A Synchronous Step-Down Silent Switcher in 2mm x 2mm LQFN |
| 页数 / 页 | 24 / 6 — TYPICAL PERFORMANCE CHARACTERISTICS VIN = 3.3V, TA = 25°C, unless … |
| 文件格式/大小 | PDF / 2.4 Mb |
| 文件语言 | 英语 |
TYPICAL PERFORMANCE CHARACTERISTICS VIN = 3.3V, TA = 25°C, unless otherwise noted. Switch Current Limits
该数据表的模型线
- LTC3308AEV#TRMPBF LTC3308AEV#TRPBF LTC3308AEV#WTRMPBF LTC3308AEV#WTRPBF LTC3308AHV#TRMPBF LTC3308AHV#TRPBF LTC3308AHV#WTRMPBF LTC3308AHV#WTRPBF LTC3308AIV#TRMPBF LTC3308AIV#TRPBF LTC3308AIV#WTRMPBF LTC3308AIV#WTRPBF LTC3308AJV#TRMPBF LTC3308AJV#TRPBF LTC3308AJV#WTRMPBF LTC3308AJV#WTRPBF LTC3308AMPV#TRMPBF LTC3308AMPV#TRPBF
文件文字版本
LTC3308A
TYPICAL PERFORMANCE CHARACTERISTICS VIN = 3.3V, TA = 25°C, unless otherwise noted. Switch Current Limits PMOS Current Limit PMOS Current Limit
7.5 7.5 7.5 VOUT/VIN = 0.2 VOUT/VIN = 0.2 7.0 7.0 7.0 6.5 6.5 6.5 6.0 6.0 6.0 5.5 5.5 5.5 5.0 5.0 5.0 SWITCH CURRENT (A) 4.5 PMOS CURRENT (A) PMOS CURRENT (A) 4.5 4.5 NMOS IVALLEYMAX 25°C V 4.0 IN = 2.5V PMOS IPEAKMAX 4.0 –60°C 4.0 VIN = 3.3V V 3.5 150°C IN = 5V –60 –30 0 30 60 90 120 150 3.5 3.5 2 2.5 3 3.5 4 4.5 5 5.5 0 10 20 30 40 50 60 70 80 90 100 TEMPERATURE (°C) 3308A G10 INPUT VOLTAGE (V) DUTY CYCLE (%) 3308A G11 3308A G12
VIN Quiescent Current, Burst VIN Quiescent Current All Modes, VIN Shutdown Current Mode Operation, Sleeping Not Sleeping
2.5 70 1.30 65 1.25 2.0 60 1.20 1.5 55 50 1.15 CURRENT (µA) 1.0 CURRENT (µA) 45 CURRENT (mA) V IN V IN 1.10 V IN 40 0.5 VIN = 5.5V V 1.05 IN = 5.5V 35 VIN = 3.3V VIN = 3.3V VIN = 2.25V VIN = 2.25V 0 30 1.00 –50 –25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 150 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 3308A G13 3308A G14 3308A G15
Switch Leakage EN Threshold VIN V UVLO Threshold IN
5 410 2.4 VIN = 5.5V EN RISING 400 RISING 4 2.3 FALLING 390 2.2 3 380 2.1 UVLO (V) 2 370 V IN 2.0 EN THRESHOLD (mV) 360 1 SWITCH LEAKAGE CURRENT (µA) EN FALLING PMOS 350 1.9 NMOS 0 340 1.8 –50 –25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 150 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 3308A G16 3308A G17 3308A G18 Rev. 0 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 Typical Application Related Parts
TYPICAL PERFORMANCE CHARACTERISTICS VIN = 3.3V, TA = 25°C, unless otherwise noted. Switch Current Limits PMOS Current Limit PMOS Current Limit
7.5 7.5 7.5 VOUT/VIN = 0.2 VOUT/VIN = 0.2 7.0 7.0 7.0 6.5 6.5 6.5 6.0 6.0 6.0 5.5 5.5 5.5 5.0 5.0 5.0 SWITCH CURRENT (A) 4.5 PMOS CURRENT (A) PMOS CURRENT (A) 4.5 4.5 NMOS IVALLEYMAX 25°C V 4.0 IN = 2.5V PMOS IPEAKMAX 4.0 –60°C 4.0 VIN = 3.3V V 3.5 150°C IN = 5V –60 –30 0 30 60 90 120 150 3.5 3.5 2 2.5 3 3.5 4 4.5 5 5.5 0 10 20 30 40 50 60 70 80 90 100 TEMPERATURE (°C) 3308A G10 INPUT VOLTAGE (V) DUTY CYCLE (%) 3308A G11 3308A G12
VIN Quiescent Current, Burst VIN Quiescent Current All Modes, VIN Shutdown Current Mode Operation, Sleeping Not Sleeping
2.5 70 1.30 65 1.25 2.0 60 1.20 1.5 55 50 1.15 CURRENT (µA) 1.0 CURRENT (µA) 45 CURRENT (mA) V IN V IN 1.10 V IN 40 0.5 VIN = 5.5V V 1.05 IN = 5.5V 35 VIN = 3.3V VIN = 3.3V VIN = 2.25V VIN = 2.25V 0 30 1.00 –50 –25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 150 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 3308A G13 3308A G14 3308A G15
Switch Leakage EN Threshold VIN V UVLO Threshold IN
5 410 2.4 VIN = 5.5V EN RISING 400 RISING 4 2.3 FALLING 390 2.2 3 380 2.1 UVLO (V) 2 370 V IN 2.0 EN THRESHOLD (mV) 360 1 SWITCH LEAKAGE CURRENT (µA) EN FALLING PMOS 350 1.9 NMOS 0 340 1.8 –50 –25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 150 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 3308A G16 3308A G17 3308A G18 Rev. 0 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 Typical Application Related Parts