LTC4413 Linear Technology Corporation, LTC4413 Datasheet
LTC4413
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LTC4413 Summary of contents
Page 1
... Two active-high control pins independently turn off the two ideal diodes contained within the LTC4413, control- ling the operation mode as described by Table 1. When the selected channel is reverse biased, or the LTC4413 is put into low power standby, a status signal indicates this con- dition with a low voltage. ...
Page 2
... RATINGS PACKAGE/ORDER ORDER PART NUMBER LTC4413EDD Order Options Tape and Reel: Add #TR Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF Lead Free Part Marking: Consult LTC Marketing for parts specified with wider operating temperature ranges. The ● ...
Page 3
... Exposure to any Absolute Maximum Rating condition for extended periods may affect device reliability and lifetime. Note 2: The LTC4413 is guaranteed to meet performance specifications from 0°C to 85°C. Specifications over the –40°C to 85°C ambient operating temperature range are assured by design, characterization and correlation with statistical process controls ...
Page 4
... LTC4413 W U TYPICAL PERFOR A CE CHARACTERISTICS I vs Temperature (V = 3.5V – 120 TEMPERATURE (°C) 4413 G04 R vs Temperature (V FWD 160 140 RFWD I = 100mA OUT 120 RFWD OUT 100 80 RFWD –60 – TEMPERATURE (°C) V and ...
Page 5
... ENB Turn-Off, 16µs to Disconnect IN from 180mA Load 4413 G12 4µs/DIV – Temperature at LEAK V = 5.5V REVERSE 10E-6 1E-6 100E-9 10E-9 1E-9 – TEMPERATURE (°C) Power Loss LTC4413 vs 1N5817 600 500 400 300 1N5817 LTC4413 200 100 0 10.0E+0 1 500 1000 1500 2000 I (mA) LOAD IN ...
Page 6
... Pull this pin high to shut down this power path. Tie to GND to enable. Refer to Table 1 for mode control functionality. This pin can be left floating, weak pull-down internal to the LTC4413. INB (Pin 5): Secondary Ideal Diode Anode and Positive Power Supply. Bypass INB with a ceramic capacitor of at least 1µ ...
Page 7
... O.5V ENBB + 4 3µA PA – + – UVLO + OUTA (MAX) OUTB (MAX) V GATEA – OFF ENA AENA A + – PB – + – GATEB – OFF ENB BENA B + – Figure 1 LTC4413 OUTA 10 AENA OVERTEMP ENA ENB BENA OVERTEMP STAT 9 STB 9µA OUTB 6 4413 F01 4413fa 7 ...
Page 8
... OUTA delivered from an alternate supply and only a small current is GATEA is drawn from V When the selected channel of the LTC4413 is in reverse GATEA turn-off mode or both channels are disabled, the STAT pin sinks 9µA of current (I Channel selection is accomplished using the two ENB > ...
Page 9
... Two active-high control pins independently turn off the two ideal diodes contained within the LTC4413, control- ling the operation mode as described by Table 1. When the selected channel is reverse biased, or the LTC4413 is put into low power standby, the status signal indicates this condition with a low voltage. ...
Page 10
... TO Figure 5 illustrates an application for implementing the LOAD function of automatic switchover from a battery to either 6 an auxiliary supply wall adapter using the LTC4413. C2 The LTC4413 automatically senses the presence of a wall 4.7µF 4413 F03 adapter as the ENBB pin voltage is pulled higher than its rising turn-off threshold of 550mV through resistive di- vider (R2 and R3) ...
Page 11
... IS CHARGING battery charger and beginning a charge cycle. If the wall adapter is removed, the voltage at INB collapses until it is LOAD1 below the load voltage. When this occurs, the LTC4413 BAT1 automatically reconnects the battery to the load and the LOAD2 STAT voltage rises, disabling the LTC4059 battery charger. ...
Page 12
... MOSFET Diode-OR Controller LTC4411 2.6A Low Loss Ideal Diode in ThinSOT Load Sharing LTC4412/LTC4412HV PowerPath Controllers in ThinSOT LTC4413-1/LTC4413-2 Dual 2.6A, 2.5V to 5.5V Fast Ideal Diodes in 3mm × 3mm DFN ThinSOT is a trademark of Linear Technology Corporation. Linear Technology Corporation 12 1630 McCarthy Blvd., Milpitas, CA 95035-7417 (408) 432-1900 FAX: (408) 434-0507 ● ...