EUP3408
Absolute Maximum Ratings
Input Supply Voltage ----------------------------------------------------------- -0.3V to 6V
EN, VFB Voltages -------------------------------------------------------------- -0.3V to VIN
P-Channel Switch Source Current (DC) ----------------------------------------------- 1A
N-Channel Switch Sink Current (DC) --------------------------------------------------- 1A
Peak SW Sink and Source Current --------------------------------------------------
1.6A
Operating Temperature Range ----------------------------------------------- -40°C to 85°C
Junction Temperature ------------------------------------------------------------------- 125°C
Storage Temperature ------------------------------------------------------- -65°C to 150°C
Lead Temp (Soldering, 10sec) -------------------------------------------------------
260°C
Electrical Characteristics
Unless otherwise specified, TA=25°C, VIN=3.6V.
EUP3408
Typ
Symbol
Parameter
Conditions
Unit
Min
Max.
VIN
IVFB
Input Voltage Range
Feedback Current
2.5
5.5
V
nA
±30
270
IQ
ISHDN
IPK
VFB
VOUT
Quiescent Current
Shutdown Current
Peak Inductor Current
VFB=0.5V or VOUT=90%, SW Open
VEN=0V, VIN= 4.2V
VIN=3V, VFB=0.5V or VOUT=90%
370
1
µA
µA
A
V
%
1.05
0.588
-3
1.25
0.6
Regulated Feedback Voltage (Note 1)
0.612
3
Regulated Output Voltage
ILOAD =0
Output Voltage Line
∆VOUT
∆VFB
VIN=2.5V to 5.5V, ILOAD=0
0.25
0.25
0.5
0.4
0.4
%/V
%/V
%
Regulation
Reference Voltage Line
Regulation
VIN=2.5V to 5.5V
Output Voltage Load
Regulation
VLOADREG
ILOAD= 0mA to 800mA
VFB=0.6V or VOUT=100%
VFB=0V or VOUT=0V
ISW=200mA
ISW=-200mA
VEN=0V, VSW=0V or 5V, VIN=5V
1.2
0.3
1.5
700
0.28
0.30
1.8
MHz
kHz
Ω
fOSC
Oscillator Frequency
RPFET RDS(ON) of P-Channel FET
RNFET RDS(ON) of N-Channel FET
ILSW
VEN
IEN
0.4
0.4
±1
1.5
1
Ω
SW Leakage Current
EN Threshold
EN Leakage Current
µA
V
µA
1.0
Note 1: The EUP3408 is tested in a proprietary test mode that connects VFB to the output of the error amplifier.
DS3408 Ver1.2 Nov. 2007
4
EUTECH [ EUTECH MICROELECTRONICS INC ]
