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參數(shù)資料
| 型號(hào)： | CMPWR161 |
| 廠商： | California Micro Devices Corporation |
| 英文描述： | Micropower, Low Noise 4.75V/150mA LDO Regulator |
| 中文描述： | 微功耗，低噪聲4.75V/150mA LDO穩(wěn)壓器 |
| 文件頁(yè)數(shù)： | 1/8頁(yè) |
| 文件大小： | 202K |
| 代理商： | CMPWR161 |
2004 California Micro Devices Corp. All rights reserved.
01/14/04
430 N. McCarthy Blvd., Milpitas, CA 95035-5112
L
Tel: 408.263.3214
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Fax: 408.263.7846
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www.calmicro.com
1
CMPWR161
Micropower, Low Noise 4.75V/150mA LDO Regulator
Features
Excellent power supply ripple rejection for
V
IN
-V
OUT
down to 110mV
Excellent power supply ripple rejection in
audible band (20Hz to 20KHz)
Very low dropout voltage (110mV at 150mA)
Fast transient response minimizes glitches in
audible band.
Low noise in audible band
Guaranteed to deliver 150mA output at
4.75V output
Low quiescent current—300
μ
A
typical
"Zero" current shutdown mode
5205 compatible pin-out
5-lead SOT-23 package
Lead-free version available
Applications
5V analog supply for audio CODEC
Low noise power supply ideal for audio use
Notebook computers
Sound cards
Motherboards
Set top boxes
Product Description
The CMPWR161 is a micropower, low noise regulator
designed specifically to filter out noise from a 5V digital
supply making it ideal for noise-sensitive analog appli-
cations. The CMPWR161 delivers up to 150mA at a
fixed 4.75V output. A bandgap reference bypass pin
(BYP) provides low noise operation when an external
capacitor is connected between this pin and ground. In
addition, the CMPWR161 features an enable pin (EN)
which allows the regulator to be placed into shutdown
mode supporting low power and battery applications.
The CMOS regulator features low quiescent current
even at full load.
The CMPWR161 is housed in a 5-pin SOT-23 package,
which is ideal for space critical applications. It is avail-
able with optional lead-free finishing.
Simplified Electrical Schematic
Typical Application Circuit
EN
+
V
IN
GND
V
OUT
-
BYP
V
4.75V
10kHz
V
IN
EN
V
OUT
GND
Supply
Voltage
1
μ
F
100nF
10
μ
F
+
-
V
OUT
4.75V@
150mA
+
+
BYP
10nF
C
OUT
C
IN
5V
GND
CMPWR161
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| CMPWR161R | Micropower, Low Noise 4.75V/150mA LDO Regulator |
| CMPWR161Y | Micropower, Low Noise 4.75V/150mA LDO Regulator |
| CMPWR280 | 1.5A SMARTOR Dual Regulator with V Drive |
| CMPWR280TO | 1.5A SMARTOR Dual Regulator with V Drive |
| CMPWR300 | 500mA SMARTOR Dual Regulator with V switch |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| CMPWR161R | 制造商:CALMIRCO 制造商全稱:California Micro Devices Corp 功能描述:Micropower, Low Noise 4.75V/150mA LDO Regulator |
| CMPWR161Y | 制造商:CALMIRCO 制造商全稱:California Micro Devices Corp 功能描述:Micropower, Low Noise 4.75V/150mA LDO Regulator |
| CMPWR163-33 | 制造商:CALMIRCO 制造商全稱:California Micro Devices Corp 功能描述:Micropower, 150mA / 3.3V Low Dropout CMOS Regulator |
| CMPWR163MA | 制造商:CALMIRCO 制造商全稱:California Micro Devices Corp 功能描述:Micropower, 150mA / 3.3V Low Dropout CMOS Regulator |
| CMPWR280 | 制造商:CALMIRCO 制造商全稱:California Micro Devices Corp 功能描述:1.5A SMARTOR Dual Regulator with V Drive |
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