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參數(shù)資料
| 型號： | ADM666A* |
| 廠商： | Analog Devices, Inc. |
| 元件分類： | 基準(zhǔn)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(diào)節(jié)微功率線性穩(wěn)壓器 |
| 文件頁數(shù)： | 3/9頁 |
| 文件大?。?/td> | 331K |
ADM663A/ADM666A
REV. 0
–3–
PIN FUNCTION DESCRIPTION
Mnemonic
Function
V
OUT(1) (2)
Voltage Regulator Output(s).
V
IN
Voltage Regulator Input.
SENSE
Current Limit Sense Input. (Referenced to
V
OUT(2).
) If not used, it should be connected to
V
OUT(2).
GND
Ground Pin. Must be connected to 0 V.
LBI
Low Battery Detect Input. Compared with 1.3 V.
LBO
Low Battery Detect Output. Open Drain Output.
SHDN
Digital Input. May be used to disable the device
so that the power consumption is minimized.
V
SET
Voltage Setting Input. Connect to GND for
+5 V output, to V
IN
for +3.3 V output or
connect to external resistive divider for
adjustable output.
V
TC
Temperature-Proportional Voltage for negative
TC Output.
PIN CONFIGURATIONS
DIP & SOIC
SENSE
V
OUT2
V
OUT1
GND
V
IN
V
TC
V
SET
SHDN
1
2
3
4
8
7
6
5
TOP VIEW
(Not to Scale)
ADM663A
DIP & SOIC
SENSE
V
OUT
LBI
GND
1
2
3
4
8
7
6
5
TOP VIEW
(Not to Scale)
ADM666A
V
IN
LBO
V
SET
SHDN
ORDERING GUIDE
Temperature
Range
Package
Option
Model
ADM663AAN
ADM663AAR
ADM666AAN
ADM666AAR
–40
°
C to +85
°
C
–40
°
C to +85
°
C
–40
°
C to +85
°
C
–40
°
C to +85
°
C
N-8
R-8
N-8
R-8
TERMINOLOGY
Dropout Voltage:
The input/output voltage differential at
which the regulator no longer maintains regulation against fur-
ther reductions in input voltage. It is measured when the output
decreases 100 mV from its nominal value. The nominal value is
the measured value with V
IN
= V
OUT
+2 V.
Line Regulation:
The change in output voltage as a result of
a change in the input voltage. It is specified as a percentage
change in output voltage for an input voltage change.
Line Reg
=
V
OUT
V
OUT
(100)
V
IN
Load Regulation:
The change in output voltage for a change
in output current.
Load Reg
(
)
=
V
OUT
I
OUT
Quiescent Current:
The input bias current which flows when
the regulator output is unloaded or when the regulator is in
shutdown.
Sense Input Threshold:
Current limit sense voltage. This
is the voltage (referenced to V
OUT(2)
) at which current limiting
occurs.
Input-Output Saturation Resistance (ADM663A):
This is a
measure of the internal MOS transistor effective resistance in se-
ries with V
OUT1
. The minimum input-output voltage differential
at low currents may be calculated by multiplying the load cur-
rent by the saturation resistance.
Thermal Limiting
:
This feature monitors the internal die tem-
perature and disables the output when an internal temperature
of 125
°
C is reached.
Maximum Power Dissipation:
The maximum total device
dissipation for which the regulator will continue to operate
within specifications.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)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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