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Part number lt1618ems
BRAND Linear Technology [Linear]
Date code 10+
Summary current voltage, 1.4MHz, step-up DC/DC converter, MSOP8, 18V, High Output Voltage
Description as follow:
The LT1618EMS is a constant-current/voltage 1.4MHz step-up DC/DC converter. The LT1618EMS step-up DC/DC converter combines a traditional voltage feedback loop and a unique current feedback loop to operate as a constant-current, constant-voltage source. This fixed frequency, current mode switcher operates from a wide input voltage range of 1.6V to 18V, and the high switching frequency of 1.4MHz permits the use of tiny, low profile inductors and capacitors. The current sense voltage of the LT1618EMS is set at 50mV and can be adjusted using the IADJ pin.
LT1618EMS absolute maximum ratings: (1)VIN, SHDN Voltage: 18V; (2)SW Voltage: 36V; (3)ISP, ISN Voltage: 36V; (4)IADJ Voltage: 6V; (5)FB Voltage: 1.5V; (6)VC Voltage: 1.5V; (7)Junction Temperature: 125℃; (8)Operating Temperature Range:– 40℃ to 85℃; (9)Storage Temperature Range, MSOP: –65℃ to 150℃, DFN: – 65℃ to 125℃; (10)Lead Temperature (Soldering, 10 sec) (MSOP): 300℃.
LT1618EMS features: (1)Accurate Input/Output Current Control: ±5% Over Temperature; (2)Accurate Output Voltage Control: ±1%; (3)Wide VIN Range: 1.6V to 18V; (4)1.4MHz Switching Frequency; (5)High Output Voltage: Up to 35V; (6)Low VCESAT Switch: 200mV at 1A; (7)Available in (3mm × 3mm × 0.8mm) 10-Pin DFN and 10-Pin MSOP Packages.