LM27342SD/NOPB Semiconductors - ICs by Texas Instruments

SWITCH REGULATOR IC

Electronic & Electrical Components>Semiconductors - ICs>Power Management
Status: Unknown
Series: -
RoHS: Unknown
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The LM2734x and LM2734x-Q1 regulators are monolithic, high-frequency, PWM step-down DC-DC converters in 10-pin WSON and 10-pin MSOPPowerPAD packages. They contain all the active functions to provide local DC-DC conversion with fast transient response and accurate regulation in the smallest possible PCB area. With a minimum of external components, the LM2734x and LM2734x-Q1 are easy to use. The ability to drive 1.5-A or 2-A loads respectively, with an internal 150-mΩ NMOS switch results in the best power density available. The world-class control circuitry allows for on-times as low as 65 ns, thus supporting exceptionally high frequency conversion. Switching frequency is internally set to 2 MHz and synchronizable from 1 to 2.35 MHz, which allows the use of extremely small surface mount inductors and chip capacitors. Even though the operating frequency is very high, efficiencies up to 90% are easy to achieve. External shutdown is included, which features an ultra-low shutdown current of 70 nA. The LM2734x and LM2734x-Q1 use peak current-mode control and internal compensation to provide highperformance regulation over a wide range of operating conditions. Additional features include internal soft-start circuitry to reduce inrush current, pulse-by-pulse current limit, thermal shutdown, and output overvoltage protection.

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Specifications

Primary Input Voltage 20V
No. of Outputs 1
Output Voltage 18V
Output Current 2A
No. of Pins 10
Operating Temperature Range -40°C to +125°C
MSL MSL 1 - Unlimited
Filter Terminals Solder

Alternative Descriptions

2A - Wide Input Range Buck Regulator with Frequency Synchronization | Texas Instruments

Frequently Asked Questions

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The LM27342SD/NOPB is listed under Electronic & Electrical Components > Semiconductors - ICs > Power Management.

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Is the LM27342SD/NOPB RoHS compliant?

This part has not been flagged as RoHS Compliant.

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