Datasheet LTC3330 (Analog Devices) - 8
| Производитель | Analog Devices |
| Описание | Nanopower Buck-Boost DC/DC with Energy Harvesting Battery Life Extender |
| Страниц / Страница | 32 / 8 — TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. … |
| Формат / Размер файла | PDF / 545 Кб |
| Язык документа | английский |
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. RDS(ON) of Buck-Boost PMOS/NMOS
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LTC3330
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. RDS(ON) of Buck-Boost PMOS/NMOS IPEAK_BB vs Temperature, 250mA IPEAK_BB vs Temperature, 5mA vs Temperature, 5mA IPEAK Setting IPEAK Setting IPEAK Setting
55 300 6.0 BAT = 3.6V BAT = 3.6V 50 PMOS, BAT = 1.8V 290 5.8 45 280 5.6 40 270 5.4 35 260 (Ω) 5.2 30 (mA) (mA) 250 5.0 25 R DS(ON) PMOS, BAT = 5V 20 I PEAK_BB 240 I PEAK_BB 4.8 15 230 4.6 10 NMOS, BAT = 1.8V 220 4.4 5 210 4.2 0 NMOS, BAT = 5V 200 4.0 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 3330 G19 3330 G20 3330 G21
Buck-Boost Load Regulation, 3.3V Buck-Boost Line Regulation, 3.3V Buck-Boost Switching Waveforms
3.400 3.400 C OUTPUT OUT = 100µF COUT = 100µF VOLTAGE 3.375 L = 22µH 3.375 L = 22µH IPK[2:0] = 111 IPK[2:0] = 111 50mV/DIV AC-COUPLED 3.350 3.350 SWA VOLTAGE 3.325 3.325 2V/DIV 0V BAT = 5V LOAD = 1mA (V) 3.300 (V) 3.300 V OUT BAT = 1.8V V OUT 3.275 3.275 LOAD = 100mA SWB VOLTAGE 2V/DIV 0V 3.250 3.250 INDUCTOR CURRENT 3.225 3.225 200mA/DIV 0mA 3330 G24 20µs/DIV 3.200 3.200 1µ 10µ 100µ 1m 10m 100m 1.8 2.2 2.6 3.0 3.4 3.8 4.2 4.6 5 BAT = 1.8V, VOUT = 3.3V I I LOAD = 10mA LOAD (A) BAT (V) L = 22µH, COUT = 100µF 3330 G22 3330 G23
Buck Load Regulation, 3.3V Buck Line Regulation, 3.3V Buck Switching Waveforms
3.400 3.400 VIN = 4V COUT = 100µF OUTPUT 3.375 COUT = 100µF 3.375 L = 22µH VOLTAGE L = 22µH 50mV/DIV 3.350 3.350 AC-COUPLED 3.325 3.325 LOAD = 1mA SW VOLTAGE (V) 10V/DIV 0V 3.300 (V) 3.300 V OUT V OUT LOAD = 100mA 3.275 3.275 INDUCTOR CURRENT 3.250 3.250 200mA/DIV 0mA 3.225 3.225 3330 G27 8µs/DIV 3.200 3.200 1µ 10µ 100µ 1m 10m 100m V 4 6 8 10 12 14 16 18 IN = 18V, VOUT = 3.3V I I LOAD = 10mA LOAD (A) VIN (V) L = 22µH, COUT = 100µF 3330 G25 3330 G26 3330fc 8 For more information www.linear.com/LTC3330 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
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