Datasheet LTC3544 (Analog Devices) - 6
| 制造商 | Analog Devices |
| 描述 | Quad Synchronous Step-Down Regulator: 2.25MHz, 300mA, 200mA, 200mA, 100mA |
| 页数 / 页 | 16 / 6 — TYPICAL PERFORMANCE CHARACTERISTICS. Load Step Response 100mA Channel. … |
| 文件格式/大小 | PDF / 300 Kb |
| 文件语言 | 英语 |
TYPICAL PERFORMANCE CHARACTERISTICS. Load Step Response 100mA Channel. Load Step Crosstalk. PFET RDS(ON) vs Supply Voltage
该数据表的模型线
文件文字版本
LTC3544
TYPICAL PERFORMANCE CHARACTERISTICS Load Step Response 100mA Channel Load Step Crosstalk
VOUT100 VOUT100 50mV/DIV 1mV/DIV AC COUPLED VOUT200A 1mV/DIV IL VOUT200B 100mA/DIV 1mV/DIV VOUT300 ILOAD 50mV/DIV 100mA/DIV V 20 3544 G16 IN = 3.6V μs/DIV V 40 3544 G17 IN = 3.6V μs/DIV V T OUT = 1.2V A = 25°C T 300mA LOAD STEP ON V A = 25°C OUT300 I OTHER CHANNELS LOADED 50% OF MAXIMUM LOAD = 400μA TO 100mA
PFET RDS(ON) vs Supply Voltage NFET RDS(ON) vs Supply Voltage
1.2 1.0 TA = 25°C TA = 25°C 0.9 1.0 0.8 0.7 0.8 ) Ω ) Ω 0.6 ( 0.6 0.5 DS(ON)R DS(ON)R 0.4 0.4 0.3 300 300 0.2 0.2 200B 200B 200A 0.1 200A 100 100 0 0 2 2.5 3 3.5 4 4.5 5 5.5 6 2 3 4 5 6 VIN (V) VIN (V) 3544 G16 3544 G17
PFET RDS(ON) vs Temperature NFET RDS(ON) vs Temperature
1.0 1.0 VIN = 3.6V VIN = 3.6V 0.9 0.9 0.8 0.8 0.7 0.7 ) Ω 0.6 Ω 0.6 ( 0.5 0.5 DS(ON) DS(ON) R 0.4 R 0.4 0.3 0.3 300 300 0.2 0.2 200B 200B 0.1 200A 0.1 200A 100 100 0 0 –50 –30 –10 10 30 50 70 90 –50 0 50 100 TEMPERATURE (°C) TEMPERATURE (°C) 3544 G18 3544 G19 3544fa 6
TYPICAL PERFORMANCE CHARACTERISTICS Load Step Response 100mA Channel Load Step Crosstalk
VOUT100 VOUT100 50mV/DIV 1mV/DIV AC COUPLED VOUT200A 1mV/DIV IL VOUT200B 100mA/DIV 1mV/DIV VOUT300 ILOAD 50mV/DIV 100mA/DIV V 20 3544 G16 IN = 3.6V μs/DIV V 40 3544 G17 IN = 3.6V μs/DIV V T OUT = 1.2V A = 25°C T 300mA LOAD STEP ON V A = 25°C OUT300 I OTHER CHANNELS LOADED 50% OF MAXIMUM LOAD = 400μA TO 100mA
PFET RDS(ON) vs Supply Voltage NFET RDS(ON) vs Supply Voltage
1.2 1.0 TA = 25°C TA = 25°C 0.9 1.0 0.8 0.7 0.8 ) Ω ) Ω 0.6 ( 0.6 0.5 DS(ON)R DS(ON)R 0.4 0.4 0.3 300 300 0.2 0.2 200B 200B 200A 0.1 200A 100 100 0 0 2 2.5 3 3.5 4 4.5 5 5.5 6 2 3 4 5 6 VIN (V) VIN (V) 3544 G16 3544 G17
PFET RDS(ON) vs Temperature NFET RDS(ON) vs Temperature
1.0 1.0 VIN = 3.6V VIN = 3.6V 0.9 0.9 0.8 0.8 0.7 0.7 ) Ω 0.6 Ω 0.6 ( 0.5 0.5 DS(ON) DS(ON) R 0.4 R 0.4 0.3 0.3 300 300 0.2 0.2 200B 200B 0.1 200A 0.1 200A 100 100 0 0 –50 –30 –10 10 30 50 70 90 –50 0 50 100 TEMPERATURE (°C) TEMPERATURE (°C) 3544 G18 3544 G19 3544fa 6