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參數(shù)資料
| 型號(hào)： | FAN5660IM |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 穩(wěn)壓器 |
| 中文描述： | SWITCHED CAPACITOR CONVERTER, 90 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封裝： | SOIC-8 |
| 文件頁(yè)數(shù)： | 1/9頁(yè) |
| 文件大?。?/td> | 339K |
| 代理商： | FAN5660IM |
www.fairchildsemi.com
REV. 1.0.2 3/28/02
Features
Inverts, Doubles or Splits Input Supply Voltage
90% Typ Conversion Efciency at 100mA load current
0.5V Typ Loss at 100mA Load
Low 160A Operating Current
5.
0 Typ Output Resistance for C1 = C2 = 100F
Selectable Oscillator Frequency: 5kHz/50kHz
8-pin SOIC package.
Applications
Laptop Computers
Medical Instruments
Interface Power Supplies
Hand-Held Instruments
Operational-Amplier Power Supplies
General Description
The FAN5660 is a monolithic charge-pump which can
invert, double or split a +1.5V to +5.5V input voltage.
Using only two identical low-cost capacitors, the charge
pump replaces switching regulators, thus eliminating
inductors and their associated cost, size, and EMI. The
device has a greater than 90% efciency over most of its load
current range and a typical operating current of only 160A.
The FAN5660 is ideal for both battery-powered and board-
level voltage conversion applications.
In order to enable the user optimize capacitor size and
quiescent current, the FAN5660 is offered with a frequency
control (FC) pin which selects either 5kHz or 50kHz
operation.
The Oscillator frequency can also be driven with an external
clock. The FAN5660 is available in 8-pin small-outline
packages.
Simplied Block Diagram
VSH
LV
FC
CONTROL
OSCILLATOR
SYNC
CAP+
CAP–
V+
VSS
FAN5660
Monolithic Inductorless CMOS DC/DC Converter
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