SP828 Просмотр технического описания (PDF) - Signal Processing Technologies
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SP828 Datasheet PDF : 16 Pages
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PINOUT
VOUT 1
VIN 2
C1- 3
SP828
SP829
5 C1+
4 GND
PIN ASSIGNMENTS
Pin 1— VOUT — Inverting charge pump output.
Pin 2 — VIN — Input to the positive power
supply.
Pin 3 — C1- — Negative terminal to the charge
pump capacitor.
Pin 4 — GND — Ground reference.
Pin 5 — C1+ — Positive terminal to the charge
pump capacitor.
TYPICAL PERFORMANCE CHARACTERISTICS
VIN = +5.0V, C1 = C2 = C3 = 10µF for SP828, C1 = C2 = C3 = 3.3µF for SP829, and TAMB = 25oC unless
otherwise noted. The SP828/829 devices use the circuit found in Figure 19 when obtaining the following typical
performance characteristics (unless otherwise noted).
80
70
60
50
40
30
20
10
0
1.5 2.5 3.5 4.5 5.5
VIN (V)
Figure 1. Output Resistance vs. Supply Voltage
90
80
VIN = 1.5V
70
60
50
40
30 VIN = 3.3V
20
VIN = 5.0V
10
0
-60 -10
40
90 140
Temperature (oC)
Figure 2. Output Resistance vs. Temperature
SP828DS/03
SP828/829 High Efficiency Voltage Inverters
3
© Copyright 1999 Sipex Corporation
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