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參數資料
| 型號： | SC1453ISK-2.5TR |
| 廠商： | Semtech Corporation |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | Cap-Free, NMOS, 150mA Low Dropout Regulator with Reverse Current Protection |
| 中文描述： | 無電容，NMOS管，150mA的低壓差穩壓器的反向電流保護 |
| 文件頁數： | 1/14頁 |
| 文件大小： | 255K |
| 代理商： | SC1453ISK-2.5TR |
POWER MANAGEMENT
Description
1
www.semtech.com
SC1453
150mA Ultra Low Dropout
Regulator with Low Noise Bypass
Features
“2982/5205” compatible pinout
Guaranteed 150 mA output current
2% output accuracy guaranteed over line, load and
temperature
Very small external components - designed to work
with ceramic capacitors
Low 26μV
RMS
output noise
(1.5V option, C
IN
= C
OUT
= 1μF, C
BYP
= 10nF)
Very low supply current
Thermal overload protection
Reverse battery protection
Low power shutdown
Full industrial temperature range
Very low profile packaging available (1mm max. height)
Surface mount packaging (5 pin SOT-23 and
TSOT-23)
Available in Lead-free packages, fully WEEE and RoHS
compliant
Applications
Revision: August 24, 2006
The SC1453 is a low dropout linear regulator that
operates from a +2.25V to +6.5V input range and
delivers up to 150mA. A PMOS pass transistor allows
the low 75μA supply current to remain independent of
load, making these devices ideal for battery operated
portable equipment such as cellular phones, cordless
phones and personal digital assistants.
The SC1453 has a bandgap reference bypass pin for
very low noise operation - a 10nF (typ.) capacitor may be
connected between this pin and ground. Other features
include low powered shutdown, short circuit protection,
thermal shutdown protection and reverse battery
protection. The SC1453 comes in the tiny 5 lead SOT-23
package and the ultra-low profile 5 lead TSOT-23.
Battery Powered Systems
Cellular Telephones
Cordless Telephones
Personal Digital Assistants
Portable Instrumentation
Modems
PCMCIA cards
VIN
VOUT
C3
1uF
C1
1uF
U1
SC1453
1
2
3
4
5
IN
GND
EN
BYP
OUT
C2
10nF
Typical Application Circuit
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相關代理商/技術參數 |
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| SC1453ISK285TRT | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:150mA Ultra Low Dropout Regulator with Low Noise Bypass |
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