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參數資料
| 型號： | ADP1109AAN |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 穩壓器 |
| 英文描述： | Circular Connector; MIL SPEC:MIL-DTL-38999 Series I; Body Material:Metal; Series:LJT; No. of Contacts:128; Connector Shell Size:25; Connecting Termination:Crimp; Circular Shell Style:Straight Plug; Body Style:Straight RoHS Compliant: No |
| 中文描述： | 1.2 A SWITCHING REGULATOR, 155 kHz SWITCHING FREQ-MAX, PDIP8 |
| 封裝： | PLASTIC, DIP-8 |
| 文件頁數： | 1/8頁 |
| 文件大小： | 143K |
| 代理商： | ADP1109AAN |
REV. 0
Information furnished by Analog Devices is believed to be accurate and
reliable. However, no responsibility is assumed by Analog Devices for its
use, nor for any infringements of patents or other rights of third parties
which may result from its use. No license is granted by implication or
otherwise under any patent or patent rights of Analog Devices.
a
ADP1109A
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
World Wide Web Site: http://www.analog.com
Fax: 781/326-8703
Analog Devices, Inc., 1997
Mcropower LowCost
Fixed 3.3 V 5 V 12 V and Adjustable
DC-to-DC Converter
FUNCT IONAL BLOCK DIAGRAM
120kHz
OSCILLATOR
ADP1109A-3.3: R1 = 152k
V
ADP1109A-5: R1 = 83k
V
ADP1109A-12: R1 = 29k
V
V
IN
SENSE
SW
PGND
SHUTDOWN
GND
1.25V
REFERENCE
R2
250k
V
R1
DRIVER
COMPARATOR
Q1
A1
120kHz
OSCILLATOR
ADP1109A
V
IN
FB
SW
PGND
SHUTDOWN
GND
1.25V
REFERENCE
DRIVER
COMPARATOR
Q1
A1
FEATURES
Operates at Supply Voltages 2 V to 9 V
Fixed 3.3 V, 5 V, 12 V and Adjustable Output
Minimum External Components Required
Ground Current: 460
m
A
Oscillator Frequency: 120 kHz
Logic Shutdown
8-Lead DIP and SO-8 Packages
APPLICATIONS
Cellular Telephones
Single-Cell to 5 V Converters
Laptop and Palmtop Computers
Pagers
Cameras
Battery Backup Supplies
Portable Instruments
Laser Diode Drivers
Hand-Held Inventory Computers
GE NE RAL DE SCRIPT ION
T he ADP1109A is a versatile step-up switching regulator. T he
device requires only minimal external components to operate as
a complete switching regulator.
T he ADP1109A-5 can deliver 100 mA at 5 V from a 3 V input
and the ADP1109A-12 can deliver 60 mA at 12 V from a 5 V
input. T he device also features a logic controlled shutdown
capability that, when a logic low is applied, will shut down the
oscillator. T he 120 kHz operating frequency allows for the use
of small surface mount components.
T he gated oscillator capability eliminates the need for frequency
compensation.
T YPICAL APPLICAT ION
7
8
1
3
4
5
L1
33
m
H
D1
V
OUT
12V
60mA
C1
22
m
F
16V
SHUTDOWN
PGND
GND
V
IN
SW
SENSE
ADP1109A-12
V
IN
5V
SHUTDOWN
/PROGRAM
+
Flash Memory VPP Generator
相關PDF資料 |
PDF描述 |
|---|---|
| ADP1109AAR | Circular Connector; MIL SPEC:MIL-DTL-38999 Series I; Body Material:Metal; Series:LJT; No. of Contacts:128; Connector Shell Size:25; Connecting Termination:Crimp; Circular Shell Style:Straight Plug; Body Style:Straight RoHS Compliant: No |
| ADP1109AN-12 | Micropower Low Cost Fixed 3.3 V, 5 V, 12 V and Adjustable DC-to-DC Converter |
| ADP1109AN-33 | Micropower Low Cost Fixed 3.3 V, 5 V, 12 V and Adjustable DC-to-DC Converter |
| ADP1109AN-5 | Micropower Low Cost Fixed 3.3 V, 5 V, 12 V and Adjustable DC-to-DC Converter |
| ADP1109AN | Micropower Low Cost Fixed 3.3 V, 5 V, 12 V and Adjustable DC-to-DC Converter |
相關代理商/技術參數 |
參數描述 |
|---|---|
| ADP1109AAN-12 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| ADP1109AAN-3.3 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| ADP1109AAN-33 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Micropower Low Cost Fixed 3.3 V, 5 V, 12 V and Adjustable DC-to-DC Converter |
| ADP1109AAN-5 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| ADP1109AAR | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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