Low Dropout Linear Regulator CJT1117B-XXX with A Dropout of 1.15V(typ.) at 1A Output Current

时间： 2024-01-10 来源：JSCJ

技术问答

The CJT1117B-XXX is a series of low dropout three-terminal regulators with a dropout of 1.15V(typ.) at 1A output current.

The CJT1117B-XXX series low dropout linear regulator provides current limiting and thermal shutdown. Its circuit includes a trimmed bandgap reference to ensure output voltage accuracy is within 1.5%. The current limit is trimmed to ensure specified. output current and controlled short-circuit current. On-chip thermal shutdown protects any combination of overload and ambient temperature that would create excessive junction temperature.

The CJT1117B-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 (Typ.) at 1A Output Current

Trimmed Current Limit

On-Chip Thermal Shutdown

Three-Terminal Adjustable or Fixed 1.25V,1.8V, 2.5V, 3.3V, 5V

Operation Junction Temperature: -40 to 125℃

APPLICATIONS

PC Motherboard

LCD Monitor

Graphic Card

DVD-Video Player

NIC/Switch

Telecom Modem

ADSL Modem

Printer and Other Peripheral Equipment

ABOSLUTE MAXIMUM RATINGS(T_A=25℃, unless otherwise specified)

RECOMMENDED OPERATING CONDITIONS

ESD RATINGS

THERMAL METRIC

MARKING

"CJT1117B": Device serial number.

"X.X": Output voltage, for example, if V_OUT=3.0V, "X.X"=3.0.

"YY": Code composed of two uppercase letters, indicates weekly record information of production.

ORDERING INFORMATION

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