Datasheet LTC3600 (Analog Devices) - 5

LTC3600
Typical perForMance characTerisTics Load Regulation ISET Current vs Temperature ISET Current vs VISET
100 50.5 51 VIN =15V 50 (%) 99 VOUT V 50.3 ISET OUT 49 AND V 98 50.1 48 ISET (µA) (µA) 97 I SET 49.9 I SET 47 46 96 49.7 NORMALIZED V V 45 IN = 12V V 95 OUT = 3.3V 49.5 44 0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 –50 –25 0 25 50 75 100 125 150 0 2 4 6 8 10 12 14 16 IOUT (A) TEMPERATURE (°C) VISET 3600 G02 3600 G01 3600 G03
ISET Current Line Regulation Quiescent Current vs Temperature Shutdown IQ vs VIN
50.4 4.0 1.0 VRUN = 0 3.5 0.9 CCM 50.2 0.8 3.0 0.7 50.0 2.5 0.6 (µA) 49.8 2.0 (µA) 0.5 I Q I SET 1.5 0.4 49.6 0.3 QUIESCENT CURRENT (mA) 1.0 DCM 0.2 49.4 ISET (VISET = 0V) 0.5 0.1 ISET (VISET = 2.5V) 49.2 0 0 0 2 4 6 8 10 12 14 16 18 –100 –50 0 50 100 150 200 0 2 4 6 8 10 12 14 16 VIN TEMPERATURE (°C) VIN 3600 G04 3600 G05 3600 G06
Transient Response CCM Operation, Transient Response CCM RDS(ON) vs Temperature External Compensation Operation, Internal Compensation
260 240 V 220 MTOP OUT V 100mV/DIV OUT 100mV/DIV 200 AC- AC- 180 COUPLED COUPLED 160 (mΩ) 140 MBOT 120 IL IL R DS(ON) 100 1A/DIV 1A/DIV 80 60 40 20µs/DIV 3600 G08 20µs/DIV 3600 G09 20 VIN = 12V fSW = 1MHz VIN = 12V fSW = 1MHz 0 VOUT = 3.3V RITH = 27.5kΩ, CITH = 250pF VOUT = 3.3V ITH = INTVCC –50 0 50 100 150 IOUT = 0A TO 1A MODE = INTVCC IOUT = 0A TO 1A MODE = INTVCC TEMPERATURE (°C) L = 4.7µH COUT = 47µF L = 4.7µH COUT = 47µF 3600 G07 3600fd 5 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Functional Diagram Operation Applications Information Typical Applications Package Description Revision History Typical Application Related Parts