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參數(shù)資料
| 型號： | IMP2185 |
| 廠商： | IMP INC. |
| 英文描述： | 60mA/110mA/160mA Super Low Dropout CMOS Regulators with Battery Life Extending Shutdown Mode(高性能低壓差電壓穩(wěn)壓器) |
| 中文描述： | 60mA/110mA/160mA超低壓差穩(wěn)壓的CMOS電池壽命延長關(guān)斷模式（高性能低壓差電壓穩(wěn)壓器） |
| 文件頁數(shù)： | 1/6頁 |
| 文件大小： | 160K |
| 代理商： | IMP2185 |
1999 IMP, Inc.
408-432-9100/www.impweb.com
1
Key Features
Applications
N
Pagers
N
Cellular/GSM/PHS Phones
N
Instrumentation
N
Wireless Terminals
N
Battery Powered Systems
N
Medical Instruments
N
Linear Post-Regulators
N
Pin Compatible with TelCom TC1014/1015/1185
N
Lower Dropout Voltage for Long Battery Life
– IMP2014: 70mV vs. TelCom TC1014 120mV
– IMP2015: 160mV vs. TelCom TC1015 250mV
– IMP2185: 250mV vs. TelCom TC1185 400mV
N
Power Saving Shutdown Mode
– 0.2μA shutdown current
N
Superior Load Regulation
– 0.32%
N
Long Battery Life
– 33μA no load ground current
N
Accurate Output Voltage
– ± 2.5% over temperature
N
Low Drift Output: 40ppm/
°
C
N
Guaranteed Minimum Output Current
– IMP2014: 60mA
– IMP2015: 110mA
– IMP2185: 160mA
N
Over-Current and Over-Temperature Protection
N
Reference Bypass Input for Low-noise and
Improved PSRR
N
Compact SOT-23A-5 Package
IMP20
1
1
4/1
5, IMP2
1
1
85
P
OWER
M
ANAGEMENT
60mA/1
1
1
Super Lo
R
R
egulat
or
Ext
ending Shutdo
0mA/1
w Dr
opout CMOS
s wit
h Batt
er
er
wn Mode
60mA
y Lif
e
e
The IMP2014, IMP2015 and IMP2185 high performance CMOS low
dropout voltage regulators offer superior dropout voltage performance
and load regulation characteristics as compared to the pin compatible
TC1014/1015/1185 devices offered by TelCom Semiconductor. Dropout
voltage performance has been improved by up to 40%.
Load regulation and power supply PSRR have been optimized. Load
regulation is typically 0.32% and PSRR is 53dB at 1kHz.
A logic input controlled shutdown mode extends system battery life by
reducing quiescent current to 0.2
μ
Amaximum. The shutdown mode can
be initiated by a system microcontroller.
The regulators were designed with ease of use and stability in mind.
Stability is guaranteed for 0.47
μ
F and greater load capacitors with an
ESR up to 5
. Ceramic or tantalum capacitors can be used.
Three devices with different guaranteed output current specifications
are available: IMP2014 (60mA), IMP2015 (110mA) and IMP2185
(160mA). Each device has output voltage options of 2.5V, 2.7V, 2.85V,
3.0V, 3.3V, 3.6V and 4.0V.
Typical Application
0.01
μ
F/3.3
μ
F
(optional)
1
μ
F
1
μ
F
+
V
IN
IMP2014
IMP2015
IMP2185
BYPASS
V
OUT
Shutdown*
Control
1
3
5
4
2
SHDN
2014/15_02.eps
GND
V
OUT
* Tie to V
IN
if not used.
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