eup3412 Eutech Microelectronics Inc, eup3412 Datasheet - Page 4

• Manufacturer Part Number: eup3412
• Description: 1.5a/1.5mhz, Synchronous Step-down Converter With Soft Start
• Manufacturer: Eutech Microelectronics Inc

V
Symbol
UVLO Input Undervoltage Lockout
∆V
LOADREG
R
∆V
R
I
Absolute Maximum Ratings (1)
Recommend Operating Conditions (2)
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
V
Note (3): The EUP3412 is tested in a proprietary test mode that connects FB to the output of the error amplifier.
DS3412 Ver1.3 Mar. 2009
I
f
V
V
V
SHDN
I
I
I
LSW
OSC
NFET
PFET
I
PK
EN
IN
FB
FB
Q
EN
IN
OUT
FB
=3.6V unless otherwise specified.
●
denote the Spec. apply over the full operating temperature range, otherwise Spec. are T
Input Voltage Range
Feedback Current
Regulated Feedback Voltage
Reference Voltage Line Regulation V
Output Voltage Line Regulation
Output Voltage Load Regulation
Quiescent Current
Shutdown Current
Peak Inductor Current
Oscillator Frequency
R
R
SW Leakage Current
EN Threshold
EN Leakage Current
DS(ON)
DS(ON)
of P-Channel FET
of N-Channel FET
Input Supply Voltage
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
Lead Temp (Soldering, 10sec) -------------------------------------------------------
Supply Voltage (V
Operating Temperature Range --------------------------------------------- -40°C to +85°C
Parameter
IN
---------------------------------------------------------------- -0.3V to V
) -----------------------------------------------------------
------------------------------------------------------ -65°C to +150°C
----------------------------------------------------------- -0.3V to 6V
T
-40°C≤T
V
I
V
V
V
V
V
I
I
V
LOAD
SW
SW
A
IN
IN
FB
EN
IN
FB
FB
EN
=+25°C (Note 3)
=200mA
=200mA
=2.7V to 5.5V
=2.7V to 5.5V
=3.6V, V
=0.45V, I
=0.45V
=0V
=0V
=0V, V
=0mA to 1500mA
A
≤+85°C (Note 3)
SW
4
Conditions
FB
LOAD
=0 or 5V, V
=0.45V
------------------------------------------
=0A
IN
=5V
●
●
●
●
●
●
●
●
0.485
Min
0.49
2.7
1.5
1.2
0.3
-1
EUP3412
2.7V to 5.5V
A
EUP3412
=+25℃.
Typ
0.26
0.26
300
750
132
126
0.5
0.5
0.1
0.1
2.4
1.5
1.0
0
260°C
1.7A
1.7A
2.6A
Max.
0.515
IN
0.51
400
210
210
5.5
2.3
0.4
0.4
1.8
1.5
1
1
1
Unit
MHz
%/V
%/V
kHz
mΩ
mΩ
µA
µA
µA
µA
nA
%
V
V
V
A
V