EUP3420
Absolute Maximum Ratings (1)
Input Supply Voltage
----------------------------------------------------------- -0.3V to 6V
---------------------------------------------------------------- -0.3V to VIN
EN, FB Voltages
P-Channel Switch Source Current (DC) -------------------------------------------
N-Channel Switch Sink Current (DC) ----------------------------------------------
Peak SW Sink and Source Current --------------------------------------------------
Junction Temperature ------------------------------------------------------------------- 125°C
Storage Temperature ------------------------------------------------------- -65°C to 150°C
Lead Temp (Soldering, 10sec) ------------------------------------------------------- 260°C
2.2A
2.2A
3A
Recommend Operating Conditions (2)
Supply Voltage (VIN) ----------------------------------------------------------- 2.7V to 5.5V
Operating Temperature Range --------------------------------------------- -40°C to +85°C
Note (1): Stress beyond those listed under “Absolute Maximum Ratings” may damage the device.
Note (2): The device is not guaranteed to function outside the recommended operating conditions.
Electrical Characteristics
The ● denote the Spec. apply over the full operating temperature range, otherwise Spec. are TA=+25℃.
VIN=3.6V unless otherwise specified.
EUP3420
Min Typ Max.
Symbol
Parameter
Conditions
Unit
VIN
Input Voltage Range
2.7
1.5
5.5
2.3
V
V
●
●
UVLO Input Undervoltage Lockout
IFB
Feedback Current
0
nA
TA=+25°C (Note 3)
-40°C≤ TA≤+85°C (Note 3)
∆VFB Reference Voltage Line Regulation VIN=2.7V to 5.5V
0.49
0.485
0.5
0.5
0.51
0.515
0.4
VFB
Regulated Feedback Voltage
V
●
0.26
0.26
0.2
300
0.1
2.8
1.5
750
132
126
%/V
%/V
%
µA
µA
A
MHz
kHz
mΩ
mΩ
µA
V
∆VOUT Output Voltage Line Regulation
VLOADREG Output Voltage Load Regulation
VIN=2.7V to 5.5V
ILOAD=0mA to 2000mA
VFB=0.45V, ILOAD=0A
VEN=0V
VIN=3.6V, VFB=0.45V
VFB=0.45V
VFB=0V
ISW=200mA
ISW=200mA
VEN=0V, VSW=0 or 5V, VIN=5V
0.4
IQ
Quiescent Current
400
1
●
●
ISHDN Shutdown Current
IPK
Peak Inductor Current
Oscillator Frequency
1.2
1.8
fOSC
RPFET RDS(ON) of P-Channel FET
RNFET RDS(ON) of N-Channel FET
ILSW
VEN
IEN
210
210
1
1.5
1
●
●
SW Leakage Current
EN Threshold
EN Leakage Current
-1
0.3
1.0
●
µA
Note (3): The EUP3420 is tested in a proprietary test mode that connects FB to the output of the error amplifier.
DS3420 Ver1.2 Mar. 2009
4
EUTECH [ EUTECH MICROELECTRONICS INC ]
