eup3409 Eutech Microelectronics Inc, eup3409 Datasheet
eup3409
Available stocks
Related parts for eup3409
eup3409 Summary of contents
Page 1
... Lithium-Ion (Li+) battery. Each converter can supply 800mA of load current from a 2.5V to 5.5V input voltage. The output voltage can be regulated as low as 0.6V. The EUP3409 can also run at 100% duty cycle for low dropout applications. Typical Application Circuit DS3409 Ver1.0 Jan. 2008 Dual 1 ...
Page 2
... EN2 below 0.3V to turn it off (shutdown current < 0.1µA). Do not leave EN2 floating. FB2 7 Channel 2 Feedback. IN1 8 Channel 1 Supply Input. GND1 9 Ground 1. Channel 1 Switch Node Connection to Inductor. This pin connects to the drains of the SW1 10 internal main and synchronous power MOSFET switches. DS3409 Ver1.0 Jan. 2008 Figure 2. Pin Configurations DESCRIPTION 2 EUP3409 ...
Page 3
... Ordering Information Order Number Package Type EUP3409JIR1 TDFN-10 EUP3409 □ □ □ □ Lead Free Code 1: Lead Free 0: Lead Packing R: Tape & Reel Operating temperature range I: Industry Standard Package Type J: TDFN DS3409 Ver1.0 Jan. 2008 Marking Operating Temperature range xxxxx P3409 ...
Page 4
... P-Channel FET PFET DS(ON N-Channel FET NFET DS(ON Leakage Current LSW V EN Threshold EN Note 1: The EUP3409 is tested in a proprietary test mode that connects FBX to the output of the error amplifier. DS3409 Ver1.0 Jan. 2008 ----------------------------------------------------------- INX ---------------------------------------------------------- OUTX Conditions V =0.5V, SWX Open FBX =0V, V =4.2V ENX INX ...
Page 5
... Typical Operating Characteristics DS3409 Ver1.0 Jan. 2008 5 EUP3409 ...
Page 6
... DS3409 Ver1.0 Jan. 2008 6 EUP3409 ...
Page 7
... DS3409 Ver1.0 Jan. 2008 7 EUP3409 ...
Page 8
... MOSFET is a square wave of duty cycle V primary function of the input capacitor is to provide a low impedance loop for the edges of pulsed current drawn by the EUP3409. A low ESR input capacitor sized for the maximum RMS current must be used. The size required will vary depending on the load, output voltage and input voltage source impedance characteristics. A typical value is around 4.7µ ...
Page 9
... Thermal Considerations To avoid the EUP3409 from exceeding the maximum junction temperature, the user will need thermal analysis. The goal of the thermal analysis is to determine whether the operating conditions exceed the maximum junction temperature of the part. The temperature rise is given by: ...
Page 10
... Packaging Information SYMBOLS DS3409 Ver1.0 Jan. 2008 TDFN-10 MILLIMETERS MIN. MAX. MIN. 0.70 0.80 0.028 0.00 0.05 0.000 2.90 3.10 0.114 1.70 2.90 3.10 0.114 0.30 0.50 0.012 0.18 0.30 0.007 0.50 2.40 10 EUP3409 INCHES MAX. 0.031 0.002 0.122 0.067 0.122 0.020 0.012 0.020 0.094 ...