FEATURES
Low Dropout Voltage: 1.15V at 1A Output Current
Trimmed Current Limit
On-Chip Thermal Shutdown
Three-Terminal Adjustable or Fixed 1.8V, 2.5V, 3.3V, 5V
Operation Junction Temperature: -25 ºC to 125ºC
GENERAL DESCRIPTION
The CJA1117B-XXX is a series of low dropout three-terminal regulators with a dropout of 1.15V at
1A output current.
The CJA1117B-XXX series provides current limiting and thermal shutdown. Its circuit includes a
trimmed bandage. reference to assure output voltage accuracy to be within 1.5%. Current limit is
trimmed to ensure specified. output current and controlled short-circuit current. On-chip thermal
shutdown provides protection against any combination of overload and ambient temperature that would
create excessive junction temperature.
The CJA1117B-XXX has an adjustable version, that can provide the output voltage from 1.25V to 5V with
only 2 external resistors.
FEATURES
Low Dropout Voltage: 1.15V at 1A Output Current
Trimmed Current Limit
On-Chip Thermal Shutdown
Three-Terminal Adjustable or Fixed 1.8V, 2.5V, 3.3V, 5V
Operation Junction Temperature: -25 ºC to 125ºC
APPLICATIONS
PC Motherboard
LCD Monitor
Graphic Card
DVD-Video Player
NIC/Switch
Telecom Modem
ADSL Modem
Printer and other peripheral Equipment
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