Datasheet LTC3544 (Analog Devices) - 6
| Hersteller | Analog Devices |
| Beschreibung | Quad Synchronous Step-Down Regulator: 2.25MHz, 300mA, 200mA, 200mA, 100mA |
| Seiten / Seite | 16 / 6 — TYPICAL PERFORMANCE CHARACTERISTICS. Load Step Response 100mA Channel. … |
| Dateiformat / Größe | PDF / 300 Kb |
| Dokumentensprache | Englisch |
TYPICAL PERFORMANCE CHARACTERISTICS. Load Step Response 100mA Channel. Load Step Crosstalk. PFET RDS(ON) vs Supply Voltage
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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