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參數資料
| 型號： | CM2838 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | 300mA LOW ESR CMOS LDO WITH ENABLE |
| 中文描述： | 300mA的低ESR的CMOS LDO穩壓器具有使能 |
| 文件頁數： | 1/10頁 |
| 文件大小： | 193K |
| 代理商： | CM2838 |
CM2838
300mA L
OW
E
SR
CMOS LDO W
ITH
E
NABLE
2004/05/01
Preliminary
Rev. 1.1
Champion Microelectronic Corporation
Page 1
GENERAL DESCRIPTION
The CM2838 family is a positive voltage linear regulator
developed utilizing CMOS technology featured low quiescent
current (30μA typ.), low dropout voltage, and high output
voltage accuracy, making them ideal for battery applications.
EN input connected to CMOS has low bias current. The
space-saving SOT-23-5 package is attractive for “Pocket” and
“Hand Held” applications.
These rugged devices have both Thermal Shutdown, and
Current limit to prevent device failure under the “Worst” of
operating conditions.
In application requiring a low noise, regulated supply, place a
1000pF capacitor between Bypass and Ground.
The CM2838 is stable with a Low ESR output capacitance of
1.0μF or greater.
FEATURES
Very Low Dropout Voltage
Low Current Consumption: Typ. 30μA, Max. 35μA
Output Voltage: 1.8V, 2.5V, 2.8V, 3.0V, and 3.3V
High Accuracy Output Voltage: +/- 1.5%
Guaranteed 300mA Output
Input Range up to 7.0V
Thermal Shutdown
Current Limiting
Stability with Low ESR Capacitors
Compact Package: SOT-23-5
Factory Pre-set Output Voltages
Low Temperature Coefficient
APPLICATIONS
Battery-powered devices
Personal communication devices
Home electric/electronic appliances
PC peripherals
TYPICAL APPLICATIONS
IN
IN OUT
CM2838
BYP GND EN
OUT
5V
C1
1uF
C3
1.0uF
C2
1nF
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