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参数资料
| 型号： | FAN5660MX |
| 厂商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分类： | 稳压器 |
| 英文描述： | SWITCHED CAPACITOR CONVERTER, 90 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封装： | SOIC-8 |
| 文件页数： | 1/6页 |
| 文件大小： | 314K |
| 代理商： | FAN5660MX |
Pr
eliminar
y
Infor
mation
PRELIMINARY INFORMATION describes products that are in the design stage. Specifications
may change in any manner whatever without notice. Contact Fairchild Semiconductor for
current information.
www.fairchildsemi.com
REV. 0.8.3 3/8/02
Features
0.5V Typ Loss at 100mA Load
Low 120A Operating Current
5.0
Typ Output Impedance
Guaranteed ROUT < 10 for C1 = C2 = 100F
Inverts, Doubles or Splits Input Supply Voltage
Selectable Oscillator Frequency: 5kHz/50kHz
90% Typ Conversion Efciency at 100mA IOUT
8-pin SOIC package.
Applications
Laptop Computers
Medical Instruments
Interface Power Supplies
Hand-Held Instruments
Operational-Amplier Power Supplies
Description
The FAN5660 monolithic, charge-pump voltage inverter
converts a +1.5V to +5.5V input to a corresponding -1.5V to
-5.5V output. Using only two low-cost capacitors, the charge
pump's 100mA output replaces switching regulators,
eliminating inductors and their associated cost, size, and
EMI. Greater than 90% efficiency over most of its load-
current range combined with a typical operating current of
only 120A provides ideal performance for both battery-
powered and board-level voltage conversion applications.
The FAN5660 can also double or split the output voltage of
an input powered supply or battery, providing +9.5V or
+2.3V at 100mA from a +5V input.
A frequency control (FC) pin selects either 5kHz typ or
50kHz typ (30kHz min) operation to optimize capacitor size
and quiescent current. The Oscillator frequency can also be
driven with an external clock. The FAN5660 is available in
both 8-pin DIP and small-outline packages in commercial
and extended temperature ranges.
Typical Applications
+
INVERTED
NEGATIVE
VOLTAGE
OUTPUT
1
2
3
4
8
7
6
5
FC
CAP+
FAN5660
VSS
CAP-
+VIN
1.5V to 5.5V
SYNC
LV
VSH
VOLTAGE INVERTER
V+
C2
+
1
F
to 470
F
C1
1
F
to 470
F
RL
+VIN
2.5 TO 5.5V
1
F
to 470
F
C1
+
DOUBLED
POSITIVE
VOLTAGE
OUTPUT
1
2
3
4
8
7
6
5
FC
CAP+
FAN5660
VSS
CAP-
SYNC
LV
VSH
POSITIVE VOLTAGE DOUBLER
V+
+
C2
1
F
to 470
F
+
SPLIT
POSITIVE
VOLTAGE
OUTPUT
1
2
3
4
8
7
6
5
FC
CAP+
FAN5660
VSS
CAP-
VIN
2.5V to 5.5V
SYNC
LV
VSH
POSITIVE VOLTAGE SPLITTER
V+
C1
1
F
to 470
F
C2
1
F
to 470
F
+
FAN5660
CMOS Monolithic Voltage Converter
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PDF描述 |
|---|---|
| FAN5660M | SWITCHED CAPACITOR CONVERTER, 90 kHz SWITCHING FREQ-MAX, PDSO8 |
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