Datasheet LTC3588-2 (Analog Devices) - 5

LTC3588-2
TYPICAL PERFORMANCE CHARACTERISTICS 4.1V Output vs Temperature 4.5V Output vs Temperature 5.0V Output vs Temperature
4.20 4.60 5.10 SLEEP THRESHOLD SLEEP THRESHOLD SLEEP THRESHOLD 4.10 4.50 5.00 WAKE-UP THRESHOLD WAKE-UP THRESHOLD WAKE-UP THRESHOLD 4.90 4.00 4.40 (V) (V) (V) 4.80 V OUT 3.90 V OUT 4.30 V OUT 4.70 3.80 PGOOD FALLING 4.20 PGOOD FALLING 4.60 PGOOD FALLING 3.70 4.10 4.50 –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) 35882 G10 35882 G11 35882 G12
VOUT Load Regulation VOUT Line Regulation IVOUT vs Temperature
4.20 4.15 160 VIN = 18V, COUT = 100µF, D1 = 0, D0 = 1 COUT = 100µF, ILOAD = 60mA, 4.14 D1 = 0, D0 = 1 VOUT = 5.0V 4.13 140 V 4.15 OUT = 4.5V 4.12 120 4.11 (V) 4.10 (V) 4.10 (nA) 100 V OUT V OUT 4.09 I VOUT VOUT = 3.45V 4.08 80 4.05 VOUT = 4.1V 4.07 60 4.06 4.00 4.05 40 1µ 10µ 100µ 1m 10m 100m 14 15 16 17 18 –50 –25 0 25 50 75 100 125 LOAD CURRENT (A) VIN (V) TEMPERATURE (°C) 35882 G13 35882 G14 35882 G15
RDS(ON) of PMOS/NMOS IPEAK vs Temperature vs Temperature Operating Waveforms
300 2.0 OUTPUT 290 VOLTAGE 1.8 50mV/DIV 280 AC-COUPLED NMOS 270 1.6 SWITCH 260 (Ω) VOLTAGE (mA) 250 1.4 10V/DIV PMOS I PEAK 240 R DS(ON) 0V 1.2 230 INDUCTOR 220 CURRENT 1.0 200mA/DIV 210 200 0.8 0mA –50 –25 0 25 50 75 100 125 –55 –35 –15 5 25 45 65 85 105 125 2.5µs/DIV 35882 G18 TEMPERATURE (°C) TEMPERATURE (°C) VIN = 18V, VOUT = 5.0V 35882 G16 35882 G17 ILOAD = 1mA L = 22µH, COUT = 47µF 35882fc For more information www.linear.com/LTC3588-2 5 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Revision History Typical Application Related Parts