Datasheet LT3012 (Analog Devices) - 5
| 制造商 | Analog Devices |
| 描述 | 250mA, 4V to 80V Low Dropout Micropower Linear Regulator |
| 页数 / 页 | 16 / 5 — TYPICAL PERFORMANCE CHARACTERISTICS. Typical Dropout Voltage. Guaranteed … |
| 文件格式/大小 | PDF / 188 Kb |
| 文件语言 | 英语 |
TYPICAL PERFORMANCE CHARACTERISTICS. Typical Dropout Voltage. Guaranteed Dropout Voltage. Dropout Voltage. Quiescent Current
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LT3012
TYPICAL PERFORMANCE CHARACTERISTICS Typical Dropout Voltage Guaranteed Dropout Voltage Dropout Voltage
600 600 600 = TEST POINTS TJ ≤ 125°C 500 T 500 500 J = 125°C IL = 250mA TAGE (mV) IL = 100mA 400 400 400 TJ ≤ 25°C TAGE (mV) 300 TJ = 25°C 300 300 IL = 50mA I 200 200 200 L = 10mA DROPOUT VOL DROPOUT VOLTAGE (mV) IL = 1mA 100 100 100 GUARANTEED DROPOUT VOL 0 0 0 0 50 100 150 200 250 0 50 100 150 200 250 –50 –25 0 25 50 75 100 125 150 OUTPUT CURRENT (mA) OUTPUT CURRENT (mA) TEMPERATURE (°C) 3012 G01 3012 G02 3012 G03
Quiescent Current ADJ Pin Voltage Quiescent Current
100 1.260 80 VIN = 6V IL = 1mA TJ = 25°C 90 RL = ∞ 1.255 70 RL = ∞ I 80 L = 0 VOUT = 1.24V 1.250 60 70 60 1.245 50 VSHDN = VIN VSHDN = VIN 50 1.240 40 40 1.235 30 30 ADJ PIN VOLTAGE (V) QUIESCENT CURRENT (μA) 1.230 20 20 QUIESCENT CURRENT (μA) 1.225 10 10 VSHDN = GND VSHDN = GND 0 1.220 0 –50 –25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 150 0 1 2 3 4 5 6 7 8 9 10 TEMPERATURE (°C) TEMPERATURE (°C) INPUT VOLTAGE (V) 3012 G04 3012 G05 3012 G06
Quiescent Current GND Pin Current GND Pin Current
250 1.2 10 TJ = 25°C TJ = 25°C TJ = 25°C, *FOR VOUT = 1.24V 225 RL = ∞ *FOR VOUT = 1.24V 9 VOUT = 1.24V 1.0 200 8 RL = 49.6Ω RL = 4.96Ω 175 I 7 0.8 L = 25mA* IL = 250mA* 150 6 V RL = 124Ω 125 SHDN = VIN 0.6 IL = 10mA* 5 100 4 RL = 12.4Ω 0.4 IL = 100mA* 75 3 QUIESCENT CURRENT(μA) VSHDN = GND GND PIN CURRENT (mA) R GND PIN CURRENT (mA) 50 L = 1.24k 2 0.2 IL = 1mA* 25 1 RL = 24.8Ω, IL = 50mA* 0 0 0 0 10 20 30 40 50 60 70 80 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) 3012 G07 3012 G08 3012 G09 3012fd 5
TYPICAL PERFORMANCE CHARACTERISTICS Typical Dropout Voltage Guaranteed Dropout Voltage Dropout Voltage
600 600 600 = TEST POINTS TJ ≤ 125°C 500 T 500 500 J = 125°C IL = 250mA TAGE (mV) IL = 100mA 400 400 400 TJ ≤ 25°C TAGE (mV) 300 TJ = 25°C 300 300 IL = 50mA I 200 200 200 L = 10mA DROPOUT VOL DROPOUT VOLTAGE (mV) IL = 1mA 100 100 100 GUARANTEED DROPOUT VOL 0 0 0 0 50 100 150 200 250 0 50 100 150 200 250 –50 –25 0 25 50 75 100 125 150 OUTPUT CURRENT (mA) OUTPUT CURRENT (mA) TEMPERATURE (°C) 3012 G01 3012 G02 3012 G03
Quiescent Current ADJ Pin Voltage Quiescent Current
100 1.260 80 VIN = 6V IL = 1mA TJ = 25°C 90 RL = ∞ 1.255 70 RL = ∞ I 80 L = 0 VOUT = 1.24V 1.250 60 70 60 1.245 50 VSHDN = VIN VSHDN = VIN 50 1.240 40 40 1.235 30 30 ADJ PIN VOLTAGE (V) QUIESCENT CURRENT (μA) 1.230 20 20 QUIESCENT CURRENT (μA) 1.225 10 10 VSHDN = GND VSHDN = GND 0 1.220 0 –50 –25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 150 0 1 2 3 4 5 6 7 8 9 10 TEMPERATURE (°C) TEMPERATURE (°C) INPUT VOLTAGE (V) 3012 G04 3012 G05 3012 G06
Quiescent Current GND Pin Current GND Pin Current
250 1.2 10 TJ = 25°C TJ = 25°C TJ = 25°C, *FOR VOUT = 1.24V 225 RL = ∞ *FOR VOUT = 1.24V 9 VOUT = 1.24V 1.0 200 8 RL = 49.6Ω RL = 4.96Ω 175 I 7 0.8 L = 25mA* IL = 250mA* 150 6 V RL = 124Ω 125 SHDN = VIN 0.6 IL = 10mA* 5 100 4 RL = 12.4Ω 0.4 IL = 100mA* 75 3 QUIESCENT CURRENT(μA) VSHDN = GND GND PIN CURRENT (mA) R GND PIN CURRENT (mA) 50 L = 1.24k 2 0.2 IL = 1mA* 25 1 RL = 24.8Ω, IL = 50mA* 0 0 0 0 10 20 30 40 50 60 70 80 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) 3012 G07 3012 G08 3012 G09 3012fd 5