CM2830/CM2830A
300mA CMOS LDO
GENERAL DESCRIPTION
The CM2830/CM2830A family is a positive voltage linear
regulator developed utilizing CMOS technology featured low
quiescent current (30
µ
A typ.), low dropout voltage, and high
output voltage accuracy. Built-in low on-resistance transistor
provides low dropout voltage and large output current. A
2.2
µ
F or greater can be used as an output capacitor.
The SOT-23-3, SOT-23-5, and TO-92 miniaturized package
and the SOT-89 package are recommended for configuring
portable devices and large current application, respectively.
These robust devices are designed to prevent device failure
under the worst operation condition with both Thermal
Shutdown and Current Fold-back.
FEATURES
Very Low Dropout Voltage
Low Current Consumption: Typ. 30
µ
A, Max. 35
µ
A
Output Voltage: 1.5V, 1.8V, 1.9V, 2.0V, 2.2V, 2.5V, 2.7V,
2.8V, 2.9V, 3.0V, 3.3V, 3.5V, 3.6V, and 3.8V
High Accuracy Output Voltage: +/- 1.5%
Guaranteed 300mA Output
Input Range up to 7.0V
Thermal Shutdown
Current Limiting
Compact Package: TO-92, SOT-23-3, SOT-23-5, and
SOT-89
Factory Pre-set Output Voltages
Short Circuit Current Fold-Back
Low Temperature Coefficient
APPLICATIONS
Battery-powered devices
Personal communication devices
Home electric/electronic appliances
PC peripherals
TYPICAL APPLICATIONS
CM 2830/A
IN
IN
GND
OUT
OUT
5V
C1
1uF
C2
2.2uF
2004/04/30
Rev. 1.6
Champion Microelectronic Corporation
Page 1
DSP 与 ARM 处理器
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