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參數資料
| 型號： | ADM666A* |
| 廠商： | Analog Devices, Inc. |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | Tri-Mode: +3.3 V. +5 V. Adjustable Micropower Linear Voltage Regulators |
| 中文描述： | 三模式：3.3伏5五，調節微功率線性穩壓器 |
| 文件頁數： | 1/9頁 |
| 文件大小： | 331K |
One Technology Way, P.O. Box 9106, Norwood. MA 02062-9106, U.S.A.
Tel: 617/329-4700
Fax: 617/326-8703
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
Tri-Mode: +3.3 V, +5 V, Adjustable
Micropower Linear Voltage Regulators
ADM663A/ADM666A*
FEATURES
Tri-Mode Operation
3.3 V, 5 V Fixed or +1.3 V to +16 V Adjustable
Low Power CMOS: 9
μ
A max Quiescent Current
High Current 100 mA Output
Low Dropout Voltage
Upgrade for ADM663/ADM666
“Small” 0.1
μ
F Output Capacitor (0805 Style)
+2 V to +16.5 V Operating Range
Low Battery Detector ADM666A
No Overshoot on Power-Up
Thermal Shutdown
APPLICATIONS
Handheld Instruments
LCD Display Systems
Pagers
Battery Operated Equipment
GENERAL DESCRIPTION
The ADM663A/ADM666A are precision linear voltage regula-
tors featuring a maximum quiescent current of 9
μ
A. They can
be used to give a fixed +3.3 V or +5 V output with no additional
external components or can be adjusted from 1.3 V to 16 V
using two external resistors. Fixed or adjustable operation is au-
tomatically selected via the V
SET
input. The low quiescent cur-
rent makes these devices especially suitable for battery powered
systems. The input voltage range is 2 V to 16.5 V, and an out-
put current up to 100 mA is provided. Current limiting may be
set using a single external resistor. For additional safety, an
internal thermal shutdown circuit monitors the internal die
temperature.
The ADM666A features additional low battery monitoring cir-
cuitry to detect for low battery voltages.
The ADM663A/ADM666A are pin compatible enhancements
for the ADM663/ADM666. Improvements include an addi-
tional 3.3 V output range, higher output current, and operation
with a small output capacitor.
The ADM663A/ADM666A are available in an 8-pin DIP and
narrow surface mount (SOIC) packages.
*
Patent pending.
FUNCTIONAL BLOCK DIAGRAMS
50mV
V
IN
ADM663A
SHDN
GND
V
TC
V
SET
V
OUT1
V
OUT2
SENSE
C2
1.3V
0.5V
C1
A2
A1
C3
D
E
C
O
D
E
R
V
IN
–50mV
0.9V
R2
R1
R3
50mV
V
IN
ADM666A
SHDN
GND
LBO
V
SET
V
OUT
SENSE
C2
1.3V
0.5V
C1
C4
A1
C3
D
E
C
O
D
E
R
V
IN
–50mV
1.3 V
LBI
R2
R1
R3
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相關代理商/技術參數 |
參數描述 |
|---|---|
| ADM666AAN | 制造商:AD 制造商全稱:Analog Devices 功能描述:Tri-Mode: +3.3 V, +5 V, Adjustable Micropower Linear Voltage Regulators |
| ADM666AAR | 制造商:AD 制造商全稱:Analog Devices 功能描述:Tri-Mode: +3.3 V, +5 V, Adjustable Micropower Linear Voltage Regulators |
| ADM666AN | 制造商:Analog Devices 功能描述:Standard Regulator Pos 1.3V to 16V5V 0.04A 8-Pin PDIP 制造商:Analog Devices 功能描述:IC V REG ADJ +2/16.5V DIP8 666 |
| ADM666AR | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Tri-Mode: +3.3 V +5 V Adjustable Micropower Linear Voltage Regulators(332.03 k) |
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