Datasheet MAX8887, MAX8888 (Maxim) - 4
| 制造商 | Maxim |
| 描述 | Low-Dropout, 300mA Linear Regulators in SOT23 |
| 页数 / 页 | 9 / 4 — Low-Dropout, 300mA Linear Regulators in SOT23. Typical Operating … |
| 文件格式/大小 | PDF / 238 Kb |
| 文件语言 | 英语 |
Low-Dropout, 300mA Linear Regulators in SOT23. Typical Operating Characteristics (continued)
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Low-Dropout, 300mA Linear Regulators in SOT23 Typical Operating Characteristics (continued)
(Typical Operating Circuit, TA = +25°C, unless otherwise noted.)
DROPOUT VOLTAGE vs. LOAD CURRENT DROPOUT VOLTAGE vs. OUTPUT VOLTAGE GROUND-PIN CURRENT vs. INPUT VOLTAGE
160 300 150 IOUT = 200mA 140 T 250 A = +25°C 125 MAX8887/8 toc04 MAX8887/8 toc05 MAX8887/8 toc06 A) 120 µ T MAXIMUM A = +85°C 200 100 100 (mV) (mV) ILOAD = 300mA 80 150 75 V DROPOUT 60 V DROPOUT TYPICAL 100 50 ILOAD = 0 40 TA = -40°C GROUND-PIN CURRENT ( 50 25 20 0 0 0
MAX8887/MAX8888
0 50 100 150 200 250 300 2.5 2.7 2.9 3.1 3.3 0 1.0 2.0 3.0 4.0 5.0 LOAD CURRENT (mA) VOUT (V) INPUT VOLTAGE (V)
POWER-SUPPLY REJECTION RATIO GROUND-PIN CURRENT vs. LOAD CURRENT GROUND-PIN CURRENT vs. TEMPERATURE vs. FREQUENCY
100 70 70 IOUT = 0 V 68 IN = 5.5V VIN = VOUT + 500mV 60 80 66 MAX8887/8 toc07 A) MAX8887/8 toc08 A) C MAX8887/8 toc09 µ µ OUT = 2.2µF 64 50 CBP = 0.01µF VIN = 3.8V 60 62 40 60 PSRR (dB) 40 58 30 56 20 GROUND-PIN CURRENT ( GROUND-PIN CURRENT ( 20 54 10 VOUT = 3.30V 52 ILOAD = 30mA MAX8887 ONLY 0 50 0 0 50 100 150 200 250 300 -40 -15 10 35 60 85 0.01 0.1 1 10 100 1000 LOAD CURRENT (mA) TEMPERATURE (°C) FREQUENCY (kHz)
MAX8887 OUTPUT NOISE DC TO 1MHz LOAD-TRANSIENT RESPONSE
MAX8887/8 toc10 MAX8887/8 toc11 300mA IOUT 10mA VOUT 50µV/div V 50mV/div OUT AC-COUPLED VOUT = 3.3V VIN = 3.8V VOUT = 1.8V, VIN = 3.8V, ILOAD = 15mA 40ms/div 10µs/div
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(Typical Operating Circuit, TA = +25°C, unless otherwise noted.)
DROPOUT VOLTAGE vs. LOAD CURRENT DROPOUT VOLTAGE vs. OUTPUT VOLTAGE GROUND-PIN CURRENT vs. INPUT VOLTAGE
160 300 150 IOUT = 200mA 140 T 250 A = +25°C 125 MAX8887/8 toc04 MAX8887/8 toc05 MAX8887/8 toc06 A) 120 µ T MAXIMUM A = +85°C 200 100 100 (mV) (mV) ILOAD = 300mA 80 150 75 V DROPOUT 60 V DROPOUT TYPICAL 100 50 ILOAD = 0 40 TA = -40°C GROUND-PIN CURRENT ( 50 25 20 0 0 0
MAX8887/MAX8888
0 50 100 150 200 250 300 2.5 2.7 2.9 3.1 3.3 0 1.0 2.0 3.0 4.0 5.0 LOAD CURRENT (mA) VOUT (V) INPUT VOLTAGE (V)
POWER-SUPPLY REJECTION RATIO GROUND-PIN CURRENT vs. LOAD CURRENT GROUND-PIN CURRENT vs. TEMPERATURE vs. FREQUENCY
100 70 70 IOUT = 0 V 68 IN = 5.5V VIN = VOUT + 500mV 60 80 66 MAX8887/8 toc07 A) MAX8887/8 toc08 A) C MAX8887/8 toc09 µ µ OUT = 2.2µF 64 50 CBP = 0.01µF VIN = 3.8V 60 62 40 60 PSRR (dB) 40 58 30 56 20 GROUND-PIN CURRENT ( GROUND-PIN CURRENT ( 20 54 10 VOUT = 3.30V 52 ILOAD = 30mA MAX8887 ONLY 0 50 0 0 50 100 150 200 250 300 -40 -15 10 35 60 85 0.01 0.1 1 10 100 1000 LOAD CURRENT (mA) TEMPERATURE (°C) FREQUENCY (kHz)
MAX8887 OUTPUT NOISE DC TO 1MHz LOAD-TRANSIENT RESPONSE
MAX8887/8 toc10 MAX8887/8 toc11 300mA IOUT 10mA VOUT 50µV/div V 50mV/div OUT AC-COUPLED VOUT = 3.3V VIN = 3.8V VOUT = 1.8V, VIN = 3.8V, ILOAD = 15mA 40ms/div 10µs/div
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