Datasheet LTC3525-3, LTC3525-3.3, LTC3525-5 (Analog Devices) - 5

LTC3525-3/ LTC3525-3.3/LTC3525-5
Typical perForMance characTerisTics TA = 25°C unless otherwise noted. Maximum Output Current vs VIN Maximum Startup Load vs VIN (for VOUT to Drop 2.5%) (Resistive Load) No-Load Input Current vs VIN
300 250 50 LTC3525-3.3 45 250 LTC3525-5 200 40 200 35 LTC3525-3 150 30 LTC3525-5 (mA) LTC3525-3.3 150 (µA) 25 LTC3525-5 I OUT LOAD (mA) 100 I IN 20 100 15 50 LTC3525-3 50 10 LTC3525-3.3 5 0 0 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 0.5 1.0 1.5 2.0 2.5 3.0 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 VIN (V) VIN (V) VIN (V) 3525 G01 3525 G02 3525 G03
LTC3525-3 Efficiency and Power LTC3525-3.3 Efficiency and Power LTC3525-5 Efficiency and Power Loss vs Load Loss vs Load Loss vs Load
100 100 100 100 100 1000 90 90 90 80 100 80 10 POWER LOSS (mW) 80 10 POWER LOSS (mW) POWER LOSS (mW) EFFICIENCY EFFICIENCY 70 EFFICIENCY 70 70 60 10 60 1 60 1 50 POWER LOSS POWER LOSS 40 POWER LOSS 1 EFFICIENCY (%) 50 EFFICIENCY (%) 50 EFFICIENCY (%) 30 40 0.1 40 0.1 V 20 0.1 IN = 3V VIN = 3.6V 30 V 30 IN = 2.4V VIN = 2.4V 10 VIN = 2.4V VIN = 1.2V VIN = 1.2V VIN = 1.2V 20 0.01 20 0.01 0 0.01 0.01 0.1 1 10 100 1000 0.01 0.1 1 10 100 1000 0.01 0.1 1 10 100 1000 LOAD (mA) LOAD (mA) LOAD (mA) 3525 G24 3525 G04 3525 G05
LTC3525-3.3 Load Regulation LTC3525-3.3 Load Regulation LTC3525-5 Load Regulation
2.5 2.5 2.5 VIN = 1.2V VIN = 2.4V VIN = 1.2V 2.0 2.0 2.0 1.5 1.5 1.5 1.0 1.0 1.0 (%) (%) (%) OUT 0.5 C 0.5 0.5 OUT = 22µF OUT C OUT C OUT = 22µF OUT = 22µF 0 0 0 –0.5 COUT = 10µF –0.5 –0.5 COUT = 10µF COUT = 10µF CHANGE IN V –1.0 CHANGE IN V –1.0 CHANGE IN V –1.0 –1.5 –1.5 –1.5 –2.0 –2.0 –2.0 –2.5 –2.5 –2.5 0 10 20 30 40 50 60 70 80 0 20 40 60 80 100 120 140 160 180 0 10 20 30 40 50 60 LOAD (mA) LOAD (mA) LOAD (mA) 3525 G06 3525 G07 3525 G08 3525fc For more information www.linear.com/LTC3525 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 Typical Applications Package Description Revision History Typical Application Related Parts