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PDF AME7701 Data sheet ( Hoja de datos )
| Número de pieza | AME7701 | |
| Descripción | Switched Capacitor Voltage Doublers | |
| Fabricantes | Analog Microelectronics | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de AME7701 (archivo pdf) en la parte inferior de esta página. Total 11 Páginas | ||
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Analog Microelectronics, Inc.
Preliminary
AME7700/AME7701/AME7702
Switched Capacitor Voltage Doublers
n General Description
The AME7700 series of economical, Charge-Pump
Converters efficiently double a +1.5V to +5.5V input to
+3.0V to +11V, with a working current exceeding 100mA.
Due to their simplicity, small size, and performance,
these CMOS converters have numerous applications.
For most cases, only (2) external capacitors are re-
quired, however, in some cases, a single capacitor is
acceptable. Minimum capacitance is obtained with the
AME7701, while the AME7700 offers the lowest stand-
by current. The AME7702 has a Frequency-Select pin
for added flexibility. The input voltage can be tripled or
quadrupled by cascading 2 Charge-Pumps. A single
alkaline battery
With it’s low start-up voltage, a single alkaline battery
can be configured with (2) AME7700’s to quadruple the
voltage and produce 5V out. Alternately, with a 5V
source, (2) AME7700’s can be configured to triple the
voltage and produce 15V out.
n Typical Connection
AME 7700/7701
VIN
DC
IN
C1
CP
CN
OUT
GND
VOUT
C2
n Features
l Small packages: SOT-25, SOT-26
l +1.5V to +5.5V Input Range
l 60uA Quiescent Current ( AME7700)
l 99% Conversion Efficiency
l Output Current Exceeding 100mA
l User Selectable Frequency ( AME7702)
n Applications
l Cellular Phones
l Digital Cameras
l Battery Chargers
l High Tech Flashlights
l PDA’s - LCD displays
l Consumer Electronics
l Pagers
l Portable Electronics
n Pin Configuration
SOT-25 Top View
54
SOT-26 Top View
6 54
AME7700
AME7701
12 3
1: GND
2: OUT
3: CN
4: IN
5: CP
AME7702
123
1: GND
2: CN
3: OUT
4: IN
5: FC
6: CP
1
1 page  
Analog Microelectronics, Inc.
Preliminary
AME7700/AME7701/AME7702
Switched Capacitor Voltage Doublers
Osc. Freq. @ 25C
35
30
AME7701
25
20
15
10 A M E 7 7 0 0
AME7700
5
0
1
2345
Input Voltage (V)
6
12
10
8
6
4
2
0
0
Load Reg
Vin=5
Vin=3.3
Vin=2
50 100
I(mA)
150
Electrical Characteristics vs. Temp
160
140
120 A M E 7 7 0 0
100
80 ID D
60
40
ROUT
AME7701
20
0
25 50 75 100 125 150
Temperature(0C)
Load Regulation
12
10
8
6
4
2
0
0 50 100
I ( mA)
150
AME7700 Output Resistance @25C
50
45
2 . 2µF
40 2.2µF
35
3 . 3µF
3 . 3µF
30
25
2
345
Input Voltage (V)
Supply Current @ 25C
300
6
250
200
AME7701
150
100
50 AME7700
0
1
2345
Input Voltage (V)
6
5
5 Page 
www.analogmicro.com
E-Mail: [email protected]
Life Support Policy:
These products of Analog Microelectronics, Inc. are not authorized for use as critical components in life-support
devices or systems, without the express written approval of the president
of Analog Microelectronics, Inc.
Analog Microelectronics, Inc. reserves the right to make changes in the circuitry and specifications of its devices
and advises its customers to obtain the latest version of relevant information.
© Analog Microelectronics, Inc. , July 2001
Document: 2027-doc-B-0731
Corporate Headquarters
Analog Microelectronics, Inc.
3100 De La Cruz Blvd. Suite 201
Santa Clara, CA. 95054-2046
Tel : (408) 988-2388
Fax: (408) 988-2489
Asia Pacific Headquarters
AME, Inc.
2F, 187 ,Kang-Chien Rd,Nei-Hu Dist
Taipei 114, Taiwan, R.O.C.
Tel : 886 2 2627-8687
Fax: 886 2 2659-2989
11 Page | ||
| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet AME7701.PDF ] | |
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