Datasheet LTC3026 (Analog Devices) - 6

LTC3026
Typical perForMance characTerisTics Delay from Enable to PG with Delay from Enable to PG with Boost Disabled Boost Enabled Output Load Transient Response
400 5.0 1.5A VOUT = 0.8V 4.5 R IOUT OUT = 8Ω 2mA 375 –40°C 4.0 25°C 3.5 85°C 350 3.0 OUT AC 20mV/DIV 325 2.5 DELAY (µs) DELAY (ms) 2.0 300 VOUT = 0.8V 1.5 ROUT = 8Ω 1.0 275 –40°C 25°C 0.5 85°C 250 0 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 1.0 1.5 2.0 2.5 3.0 3.5 3026 G15 50µs/DIV V V OUT = 1.5V IN (V) VIN (V) C 3026 G13 3026 G14 OUT = 10µF VIN = 1.7V VBST = 5V
BST Ripple and Feedthrough IN Supply Transient Response BST/OUT Start-Up to OUT
HI SHDN 2V LO VIN 1.5V 5V VBST AC 20mV/DIV BST 1V 1.5V VOUT V AC OUT AC 5mV/DIV 10mV/DIV OUT 0V 3026 G16 10µs/DIV 3026 G17 200µs/DIV 3026 G18 20µs/DIV V T OUT = 1.2V A = 25°C VOUT = 1.2V I R OUT = 800mA OUT = 1Ω VIN = 1.5V C V OUT = 10µF IN = 1.7V IOUT = 1A VBST = 5V COUT = 10µF TA = 25°C LSW = 10µH TA = 25°C 3026ff 6 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