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SP6660EB Datenblatt(PDF) 5 Page - Sipex Corporation

Teilenummer SP6660EB
Bauteilbeschribung  200mA Charge Pump Inverter or Doubler
PDF  22 Pages
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Hersteller  SIPEX [Sipex Corporation]
Direct Link  http://www.sipex.com
Logo SIPEX - Sipex Corporation

SP6660EB Datenblatt(HTML) 5 Page - Sipex Corporation

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SP6660DS/11
SP6660 200mA Charge Pump Inverter or Doubler
© Copyright 2000 Sipex Corporation
5
DESCRIPTION
The SP6660 Charge Pump DC-DC Voltage
Converter either inverts or doubles the input
voltage. As a negative voltage inverter, as shown
in Figure 1, a +1.5V to +4.25V input can be
converted to a -1.5V to -4.25V output. Figure 2,
as a positive voltage doubler, a +2.5V to +4.25V
input can be converted to a +5.0V to +8.5V output.
Figure 1. SP6660 Test Circuit for the Voltage Inverter
OSC
OUT
SP6660
+VIN
C1
5
1
2
7
4
CAP+
CAP-
GND
6
8
3
LV
TEST CIRCUIT: VOLTAGE INVERTER
FC
V+
RL
C2
IL
IS
VOUT
Typical performance curves in Figures 3 to 20
are generated using the test circuits found in
Figure 1 and Figure 2. Four operating modes
are shown in the curves: Voltage inverter in low
and high frequency modes and voltage doubler
in low and high frequency modes.
Figure 2. Test Circuit for the Positive Voltage Doubler
OSC
OUT
SP6660
+VIN
C1
5
1
2
7
4
C2
CAP+
CAP-
GND
6
8
3
LV
TEST CIRCUIT: VOLTAGE DOUBLER
+V
IS
FC
RL
VOUT



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