Datasheet LTC3331 (Analog Devices) - 8

LTC3331
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. 3V Output vs Temperature 3.3V Output vs Temperature 3.6V Output vs Temperature
3.05 3.35 3.65 SLEEP THRESHOLD SLEEP THRESHOLD SLEEP THRESHOLD 3.00 3.30 3.60 WAKE-UP THRESHOLD WAKE-UP THRESHOLD WAKE-UP THRESHOLD 3.55 2.95 3.25 3.50 2.90 (V) (V) 3.20 (V) 3.45 V OUT 2.85 V OUT 3.15 V OUT 3.40 2.80 3.10 PGVOUT FALLING 3.35 PGVOUT FALLING 2.75 3.05 PGVOUT FALLING 3.30 2.70 3.00 3.25 –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) 3331 G13 3331 G14 3331 G15
Buck-Boost Peak Current vs 4.5V Output vs Temperature 5V Output vs Temperature Temperature, 250mA IPEAK Setting
4.60 5.10 300 BB_IN = 3.6V 4.55 SLEEP THRESHOLD SLEEP THRESHOLD 290 5.00 4.50 280 WAKE-UP THRESHOLD 4.45 WAKE-UP THRESHOLD 4.90 270 4.40 260 (V) (V) (mA) 4.35 4.80 250 V OUT 4.30 V OUT I PEAK_BB 240 4.25 4.70 230 PGVOUT FALLING 4.20 220 PGVOUT FALLING 4.60 4.15 210 4.10 4.50 200 –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) 3331 G16 3331 G17 3331 G18
Buck-Boost Peak Current vs RDS(ON) of Buck-Boost PMOS/NMOS RDS(ON) of Buck-Boost PMOS/NMOS Temperature, 5mA IPEAK Setting vs Temperature, 250mA IPEAK Setting vs Temperature, 5mA IPEAK Setting
6.0 1.40 55 BB_IN = 3.6V PMOS, BB_IN = 2.1V PMOS, BB_IN = 2.1V 5.8 1.30 NMOS, BB_IN = 2.1V 50 NMOS, BB_IN = 2.1V PMOS, BB_IN = 4.2V PMOS, BB_IN = 4.2V 5.6 1.20 45 NMOS, BB_IN = 4.2V NMOS, BB_IN = 4.2V 40 5.4 1.10 35 5.2 1.00 (mA) (Ω) (Ω) 30 5.0 0.90 25 0.80 I PEAK_BB 4.8 R DS(ON) R DS(ON) 20 4.6 0.70 15 4.4 0.60 10 4.2 0.50 5 4.0 0.40 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) 3331 G19 3331 G20 3331 G21 3331fc 8 For more information www.linear.com/LTC3331 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Package Description Revision History Typical Application Related Parts