Datasheet LTC4009, LTC4009-1, LTC4009-2 (Analog Devices) - 5

LTC4009 LTC4009-1/LTC4009-2 TesT circuiTs LTC4009 LTC4009-1 FROM ICL LTC4009-2 FROM ICL (CLP = CLN) (CLP = CLN) – – – – – EA – EA 1.2085V + 1.2085V + PROG VFB ITH PROG BAT ITH 13 10 12 13 11 12 1.2085V + TARGET VARIES + TARGET WITH FVS0,1 LTC1055 LTC1055 – 0.6V – 0.6V 4009 TC01 4009 TC02 Typical perForMance characTerisTics
(TA = 25°C unless otherwise noted. DIN = SSB44, L = IHLP-2525 6.8µH) Efficiency at DCIN = 20V, BAT = 8V Efficiency at DCIN = 20V, BAT = 12V
100 10000 100 10000 RSENSE = 33mΩ RSENSE = 33mΩ RIN = 3.01k RIN = 3.01k 95 POWER LOSS (mW) 95 POWER LOSS (mW) POWER LOSS POWER LOSS EFFICIENCY 90 1000 90 1000 EFFICIENCY EFFICIENCY (%) EFFICIENCY (%) 85 85 80 100 80 100 0 0.5 1.0 1.5 2.0 2.5 3.0 0 0.5 1.0 1.5 2.0 2.5 3.0 CHARGE CURRENT (A) CHARGE CURRENT (A) 4009 G01 4009 G02
Efficiency at DCIN = 20V, BAT = 16V VFB Line Regulation FBDIV RON vs BAT
100 10000 0.10 300 RSENSE = 33mΩ LTC4009 TEST CIRCUIT CLP = BAT + 3V RIN = 3.01k 0.08 275 (CLP ≥ 6V) 0.06 95 EFFICIENCY 250 POWER LOSS (mW) 0.04 225 0.02 POWER LOSS 200 90 1000 0 (Ω) ERROR (%) 175 –0.02 R ON EFFICIENCY (%) V FB 150 –0.04 85 –0.06 125 –0.08 100 80 100 –0.10 75 0 0.5 1.0 1.5 2.0 2.5 3.0 5 10 15 20 25 30 0 5 10 15 20 25 CHARGE CURRENT (A) CLP (V) BAT (V) 4009 G03 4009 G04 4009 G05 4009fd Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Test Circuits Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Package Description Revision History Typical Application Related Parts