Datasheet LTC3330 (Analog Devices) - 9
| 制造商 | Analog Devices |
| 描述 | Nanopower Buck-Boost DC/DC with Energy Harvesting Battery Life Extender |
| 页数 / 页 | 32 / 9 — TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. … |
| 文件格式/大小 | PDF / 545 Kb |
| 文件语言 | 英语 |
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. RDS(ON) of Buck PMOS/NMOS
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LTC3330
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. RDS(ON) of Buck PMOS/NMOS Prioritizer Buck to Buck-Boost IPEAK_BUCK vs Temperature vs Temperature Transition
300 2.0 V OUTPUT IN = 5V VIN = 5V VOLTAGE 290 50mV/DIV 1.8 280 DC-COUPLED, OFFSET = 3.3V 270 1.6 EH_ON 0V 5V/DIV (mA) 260 (Ω) PMOS 250 1.4 BUCK INDUCTOR 240 R DS(ON) NMOS CURRENT I PEAK_BUCK 1.2 200mA/DIV 230 0mA BUCK-BOOST 220 INDUCTOR 1.0 CURRENT 0mA 210 200mA/DIV 3330 G30 100µs/DIV 200 0.8 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 VIN TRANSITIONS 18V TO 17V, UV[3:0] = 1110 TEMPERATURE (°C) TEMPERATURE (°C) BAT = 4.1V, VOUT = 3.3V I 3330 G28 3330 G29 LOAD = 50mA, COUT = 100µF, LBUCK = 22µH, LBUCK-BOOST = 22µH
Prioritizer Buck-Boost to Buck Buck-Boost Load Step Response Buck Load Step Response Transition
OUTPUT OUTPUT VOLTAGE OUTPUT VOLTAGE 50mV/DIV DC-COUPLED, VOLTAGE 20mV/DIV OFFSET = 3.3V 20mV/DIV AC-COUPLED AC-COUPLED EH_ON 5V/DIV 0V BUCK INDUCTOR LOAD LOAD CURRENT CURRENT CURRENT 200mA/DIV 0mA 25mA/DIV 1mA 25mA/DIV 1mA BUCK-BOOST INDUCTOR CURRENT 0mA 200mA/DIV 3330 G31 2ms/DIV 3330 G32 2ms/DIV 3330 G33 100µs/DIV BAT = 3V, VOUT = 3.3V VIN = 18V, VOUT = 3.3V V C IN TRANSITIONS 17V TO 18V, UV[3:0] = 1110 OUT = 100µF, L = 22µF COUT = 100µF, L = 22µF BAT = 4.1V, V LOAD STEP FROM 1mA TO 50mA LOAD STEP FROM 1mA TO 50mA OUT = 3.3V ILOAD = 50mA, COUT = 100µF, LBUCK = 22µH, LBUCK-BOOST = 22µH
Buck Efficiency vs VIN for Buck Efficiency vs VIN for Buck Efficiency vs ILOAD ILOAD = 100mA, L = 22µH ILOAD = 100mA, L = 100µH
100 100 100 DCR = 0.19Ω VOUT SETTING DCR = 0.45Ω 90 1.8V 3.3V 80 2.5V 3.6V 95 2.8V 4.5V 95 70 3V 5V 60 90 90 50 40 VOUT SETTING 85 85 EFFICIENCY (%) 1.8V EFFICIENCY (%) EFFICIENCY (%) 30 2.5V VOUT SETTING 20 3.3V 1.8V 3.3V 5V 80 80 2.5V 3.6V 10 2.8V 4.5V VIN = 6V, L = 22µH, DCR = 0.19Ω 3V 5V 0 75 75 1µ 10µ 100µ 1m 10m 100m 4 6 8 10 12 14 16 18 4 6 8 10 12 14 16 18 ILOAD (A) VIN (V) VIN (V) 3330 G34 3330 G35 3330 G36 3330fc For more information www.linear.com/LTC3330 9 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Package Description Revision History Typical Application Related Parts
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. RDS(ON) of Buck PMOS/NMOS Prioritizer Buck to Buck-Boost IPEAK_BUCK vs Temperature vs Temperature Transition
300 2.0 V OUTPUT IN = 5V VIN = 5V VOLTAGE 290 50mV/DIV 1.8 280 DC-COUPLED, OFFSET = 3.3V 270 1.6 EH_ON 0V 5V/DIV (mA) 260 (Ω) PMOS 250 1.4 BUCK INDUCTOR 240 R DS(ON) NMOS CURRENT I PEAK_BUCK 1.2 200mA/DIV 230 0mA BUCK-BOOST 220 INDUCTOR 1.0 CURRENT 0mA 210 200mA/DIV 3330 G30 100µs/DIV 200 0.8 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 VIN TRANSITIONS 18V TO 17V, UV[3:0] = 1110 TEMPERATURE (°C) TEMPERATURE (°C) BAT = 4.1V, VOUT = 3.3V I 3330 G28 3330 G29 LOAD = 50mA, COUT = 100µF, LBUCK = 22µH, LBUCK-BOOST = 22µH
Prioritizer Buck-Boost to Buck Buck-Boost Load Step Response Buck Load Step Response Transition
OUTPUT OUTPUT VOLTAGE OUTPUT VOLTAGE 50mV/DIV DC-COUPLED, VOLTAGE 20mV/DIV OFFSET = 3.3V 20mV/DIV AC-COUPLED AC-COUPLED EH_ON 5V/DIV 0V BUCK INDUCTOR LOAD LOAD CURRENT CURRENT CURRENT 200mA/DIV 0mA 25mA/DIV 1mA 25mA/DIV 1mA BUCK-BOOST INDUCTOR CURRENT 0mA 200mA/DIV 3330 G31 2ms/DIV 3330 G32 2ms/DIV 3330 G33 100µs/DIV BAT = 3V, VOUT = 3.3V VIN = 18V, VOUT = 3.3V V C IN TRANSITIONS 17V TO 18V, UV[3:0] = 1110 OUT = 100µF, L = 22µF COUT = 100µF, L = 22µF BAT = 4.1V, V LOAD STEP FROM 1mA TO 50mA LOAD STEP FROM 1mA TO 50mA OUT = 3.3V ILOAD = 50mA, COUT = 100µF, LBUCK = 22µH, LBUCK-BOOST = 22µH
Buck Efficiency vs VIN for Buck Efficiency vs VIN for Buck Efficiency vs ILOAD ILOAD = 100mA, L = 22µH ILOAD = 100mA, L = 100µH
100 100 100 DCR = 0.19Ω VOUT SETTING DCR = 0.45Ω 90 1.8V 3.3V 80 2.5V 3.6V 95 2.8V 4.5V 95 70 3V 5V 60 90 90 50 40 VOUT SETTING 85 85 EFFICIENCY (%) 1.8V EFFICIENCY (%) EFFICIENCY (%) 30 2.5V VOUT SETTING 20 3.3V 1.8V 3.3V 5V 80 80 2.5V 3.6V 10 2.8V 4.5V VIN = 6V, L = 22µH, DCR = 0.19Ω 3V 5V 0 75 75 1µ 10µ 100µ 1m 10m 100m 4 6 8 10 12 14 16 18 4 6 8 10 12 14 16 18 ILOAD (A) VIN (V) VIN (V) 3330 G34 3330 G35 3330 G36 3330fc For more information www.linear.com/LTC3330 9 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Package Description Revision History Typical Application Related Parts