Datasheet LT1965 (Analog Devices) - 8
制造商 | Analog Devices |
描述 | 1.1A, Low Noise, Low Dropout Linear Regulator |
页数 / 页 | 22 / 8 — typical perForMance characteristics. LT1965-2.5 GND Pin Current. … |
文件格式/大小 | PDF / 998 Kb |
文件语言 | 英语 |
typical perForMance characteristics. LT1965-2.5 GND Pin Current. LT1965-3.3 GND Pin Current. (Light Load). (Heavy Load)
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LT1965 Series
typical perForMance characteristics LT1965-2.5 GND Pin Current LT1965-2.5 GND Pin Current LT1965-3.3 GND Pin Current (Light Load) (Heavy Load) (Light Load)
12 25 12 TJ = 25°C TJ = 25°C TJ = 25°C VSHDN = VIN VSHDN = VIN VSHDN = VIN 10 *FOR VOUT = 2.5V *FOR V 20 OUT = 2.5V 10 *FOR VOUT = 3.3V 8 RL = 2.272Ω, IL = 1.1A* 8 15 6 6 10 R 4 R L = 5Ω, IL = 500mA* R L = 250Ω, IL = 10mA* 4 L = 330Ω, IL = 10mA* GND PIN CURRENT (mA) RL = 2.5k, IL = 1mA* GND PIN CURRENT (mA) GND PIN CURRENT (mA) RL = 3.3k, IL = 1mA* 5 2 RL = 50Ω, IL = 50mA* R 2 R L = 25Ω, IL = 100mA* L = 66Ω, IL = 50mA* 0 0 0 0 1 2 3 4 5 6 7 8 9 10 0 1 2 3 4 5 6 7 8 9 10 0 1 2 3 4 5 6 7 8 9 10 INPUT VOLTAGE (V) INPUT VOLTAGE (V) INPUT VOLTAGE (V) 1965 G19 1965 G20 1965 G21
LT1965-3.3 GND Pin Current LT1965 GND Pin Current LT1965 GND Pin Current (Heavy Load) (Light Load) (Heavy Load)
25 2.0 25 T T J = 25°C J = 25°C TJ = 25°C V 1.8 V SHDN = VIN SHDN = VIN VSHDN = VIN *FOR V 20 OUT = 3.3V 1.6 *FOR VOUT = 1.2V *FOR VOUT = 1.2V R 20 L = 24Ω, IL = 50mA* RL = 3Ω, IL = 1.1A* 1.4 RL = 1.091Ω, IL = 1.1A* 15 1.2 15 1.0 10 0.8 RL = 120Ω, IL = 10mA* 10 RL = 6.6Ω, IL = 500mA* RL = 2.4Ω, IL = 500mA* 0.6 RL = 1.2k, IL = 1mA* GND PIN CURRENT (mA) GND PIN CURRENT (mA) GND PIN CURRENT (mA) 5 0.4 5 RL = 33Ω, IL = 100mA* R 0.2 L = 12Ω, IL = 100mA* 0 0 0 0 1 2 3 4 5 6 7 8 9 10 0 1 2 3 4 5 6 7 8 9 10 0 1 2 3 4 5 6 7 8 9 10 INPUT VOLTAGE (V) INPUT VOLTAGE (V) INPUT VOLTAGE (V) 1965 G22 1965 G23 1965 G24
GND Pin Current vs ILOAD SHDN Pin Threshold
25.0 1.0 VIN = VOUT(NOMINAL) + 1V 22.5 0.9 OFF TO ON 20.0 0.8 17.5 0.7 15.0 0.6 12.5 0.5 ON TO OFF 10.0 0.4 PIN THRESHOLD (V) 7.50 0.3 GND PIN CURRENT (mA) 5.00 SHDN 0.2 2.50 0.1 0 0 0 0.2 0.4 0.6 0.8 1.0 1.2 –50 –25 0 25 50 75 100 125 150 LOAD CURRENT (A) TEMPERATURE (°C) 1965 G25 1965 G26 1965fb 8 For more information www.linear.com/LT1965 Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Applications Information Typical Applications Package Description Revision History Related Parts