SP6644EU-L Datasheet, PDF (2/15 Pages) Sipex Corporation – Single/Dual Alkaline Cell, High Efficiency Boost DC-DC Regulator

These are stress ratings only and functional operation of the
device at these ratings or any other above those indicated in
the operation sections of the specifications below is not
implied. Exposure to absolute maximum rating conditions for
extended periods of time may affect reliability.
V_BATT to GND.............................................-0.3 to 6.0V
V_OUT to GND..............................................-0.3 to 6.0V
LX, SHDN, FB, BATTLO, to GND.............-0.3 to 6.0V
Reverse battery Current, T_AMB=+25˚C.............220mA
(NOTE 1)
V_BATT forward current............................................0.5A
V_OUT, LX current......................................................1A
Storage Temperature Range............-65˚C to +165˚C
Lead Temperature (soldering 10s)..................+300˚C
Operating Temperature.......................-40˚C to +85˚C
Power Dissipation Per Package
8-pin µSOIC (derate 4.85mW/^OC above +70^OC)..........390mW
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS
V_BATT = V_SHDN = 1.3V, I_LOAD = 0mA, FB = GND, T_AMB = -40^oC to +85^oC, and typical values are at T_AMB = +25^oC unless otherwise noted.
PARAMETER
Maximum Operating Input Voltage,
V_BATT(MAX)
Start-Up Input Voltage, V_BATT
Start-Up Input Voltage, V_BATT
Temperature Coefficient
SHDN Input Voltage
V_IL
V_IH
SHDN Input Current
FB Input Current
FB Set Voltage, V_FB
BATTLO Falling Trip Voltage
Output Voltage, V
OUT
Output Voltage Range
N-Channel On-Resistance
P-Channel On-Resistance
MIN. TYP. MAX. UNITS ♦
CONDITIONS
3.3
V♦
0.82 1.1
V
♦ R_L = 3kΩ,
-1
mVºC
15
%
% of V_BATT
80
% of V_BATT
1
100
nA ♦
1
100
nA ♦ V_FB =1.3V,
1.215 1.262 1.309 V ♦ external feedback
0.94
1.88
3.16
2.0
1.00
2.00
3.30
1.06
2.12
3.44
5.5
V
♦
SP6644, V_OUT = 3.3V
SP6645, V_OUT = 3.3V
V ♦ V <0.1V
FB
V ♦ external feedback
0.5 1.0
Ω
0.8 1.6
Ω
V_OUT = 3.3V
V_OUT = 3.3V
Date: 11/30/04
SP6644/6645 High Efficiency Boost Regulator
2
© Copyright 2004 Sipex Corporation