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SP6832 Datasheet Preview

SP6832 Datasheet

High Speed / High Efficiency Voltage Inverter

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® SP6832
High Speed, High Efficiency Voltage Inverter
s 99.9% Voltage Conversion Efficiency
s +1.15V to +5.3V Input Voltage Range
s +1.15 VIN Guaranteed Start-up
s Inverts Input Supply Voltage
s 700µA Quiescent Current
s 25mA Output Current
s 500kHz Operating Frequency
s Ideal for +3.6V Lithium Ion Battery
Applications
s Reverse Battery Protection
s 5-pin SOT23 Package
s 19Output Resistance
s 0.1 or 0.33 µF Capacitors
DESCRIPTION
The SP6832 device is a CMOS Charge Pump Voltage Inverter that can be implemented
in designs requiring a negative voltage from a positive source as low as 1.15V. The SP6832
device is ideal for both battery-powered and board level voltage conversion applications
with a typical operating current of 700mA at a 5V supply. The SP6832 can output 25mA with
a voltage drop of 500mV. These devices combine a low quiescent current with high efficiency
of 85-90% over most of its load range. Applications include cell phones, PDAs, medical
instruments and other portable equipment. The SP6832 is available in a space-saving 5-pin
SOT23 Package.
VOUT 1
VIN 2
C1- 3
SP6832
5 C1+
4 GND
SP6832DS/04
SP6832 High Speed, High Efficiency Voltage Inverter
1
© Copyright 2000 Sipex Corporation




Sipex

SP6832 Datasheet Preview

SP6832 Datasheet

High Speed / High Efficiency Voltage Inverter

No Preview Available !

ABSOLUTE MAXIMUM RATINGS
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.
VIN.....................................................................................-0.3V to +5.6V
VOUT...................................................................................-5.6V to +0.3V
V Short Circuit to GND.................................................Indefinite
OUT
I ...................................................................................................50mA
OUT
Storage Temperature.....................................................-65˚C to +150˚C
Power Dissipation per Package
5-pin SOT (derate 4.35mW/oC above +70oC).............................400mW
Lead Temperature (Soldering)....................................................300oC
ESD Rating...............................................2kV Human Body Model
SPECIFICATIONS FOR THE SP6832
VIN = +5.0V, C1 = C2 = C3 = 0.33µF and TAMB = 25oC unless otherwise noted. The circuit found in Figure 14 was
used to obtain the following typical performance characteristics (unless otherwise noted).
PARAMETER
Minimum Voltage
Supply Voltage
Supply Currrent
Output Resistance
Oscillator Frequency
Voltage Conversion Efficiency
Power Efficiency (Ideal)
Power Efficiency (Actual)
MIN.
1.4
300
95
TYP.
0.86
0.7
19
500
99.9
97
87
MAX.
1.15
5.3
1.4
45
750
UNITS
CONDITIONS
V
RL=10k,
T =+25°
AMB
C,
Note
1
RL=10k, TAMB=-40° C to +85° C
mA TAMB = -40oC to +85oC, RL =
I = 5mA to 25mA, Note 2
OUT
kHz
% RL =
% IOUT = 5mA, Note 3
% IOUT = 5mA, Note 4
NOTE 1: V = -V +200mV
OUT
IN
NOTE 2:
Capacitors are approximately 20% of the output impedance where ESR =
1
fOSC x C
NOTE 3: Power Efficiency (Ideal) =
VOUT x IOUT
-VIN x (-VIN/RL)
NOTE 4:
Power Efficiency (Actual) =
VOUT x IOUT
VIN x IIN
SP6832DS/04
SP6832 High Speed, High Efficiency Voltage Inverter
2
© Copyright 2000 Sipex Corporation


Part Number SP6832
Description High Speed / High Efficiency Voltage Inverter
Maker Sipex
Total Page 15 Pages
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