ChongMing Group (HK) Int'l Co., Ltd
CHONGMING GROUP (HK) INT'L CO., LTD.
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LMR62014XMFX/NOPB Power Regulator IC Switching Voltage Regulators SIMPLE SWITCHER 20V out,1.4A SU Vltg Reg
FEATURES
Output Voltage up to 20V
Switch Current up to 1.4A
1.6 MHz Switching Frequency
Low Shutdown Iq, <1 μA
Cycle-by-Cycle Current Limiting
Internally Compensated
5-Pin SOT-23 Packaging (2.92 x 2.84 x 1.08mm)
Fully Enabled for WEBENCH® Power Designer
PERFORMANCE BENEFITS
Extremely Easy to Use
Tiny Overall Solution Reduces System Cost
APPLICATIONS
Boost Conversions from 3.3V, 5V, and 12V Rails
Space Constrained Applications
Embedded Systems
LCD Displays
LED Applications
System Performance
DESCRIPTION
The LMR62014 switching regulator is a current-mode boost converter operating at fixed frequency of 1.6 MHz.
The use of SOT-23 package, made possible by the minimal power loss of the internal 1.4A switch, and use of small inductors and capacitors result in the industry's highest power density. The LMR62014 is capable of greater than 90% duty cycle, making it ideal for boosting to voltages up to 20V.
These parts have a logic-level shutdown pin that can be used to reduce quiescent current and extend battery life.
Protection is provided through cycle-by-cycle current limiting and thermal shutdown. Internal compensation simplifies design and reduces component count.