LM2736XMK/NOPB Part Information

Details for LM2736XMK/NOPB by Texas Instruments

Electronic & Electrical Components > Semiconductors - ICs > Power Management

Part Description

The LM2736 regulator is a monolithic, high frequency, PWM step-down DC/DC converter in a 6-pin Thin SOT package. It provides 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 and online design support through WEBENCH®, the LM2736 is easy to use. The ability to drive 750 mA loads with an internal 350 mΩ NMOS switch using state-of-the-art 0.5 µm BiCMOS technology results in the best power density available. The world class control circuitry allows for on-times as low as 13 ns, thus supporting exceptionally high frequency conversion over the entire 3 V to 18 V input operating range down to the minimum output voltage of 1.25 V. Switching frequency is internally set to 550 kHz (LM2736Y) or 1.6 MHz (LM2736X), allowing the use of extremely small surface mount inductors and chip capacitors. Even though the operating frequencies are very high, efficiencies up to 90% are easy to achieve. External shutdown is included, featuring an ultra-low stand-by current of 30 nA. The LM2736 utilizes 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 over-voltage protection.

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Part Features

  • 1.25 V to 16 V Output Voltage Range
  • 1.25 V, 2% Internal Voltage Reference
  • 3.0 V to 18 V Input Voltage Range
  • 30 nA Shutdown Current
  • 350 mu2126 NMOS Switch
  • 550 kHz (LM2736Y) and 1.6 MHz (LM2736X) Switching Frequencies
  • 750 mA Output Current
  • Current-Mode, PWM Operation
  • Internal Soft-Start
  • Thermal Shutdown
  • Thin SOT-6 Package
  • WEBENCHu00ae Online Design Tool

Part Specifications

Topology Buck (Step Down)
Input Voltage Min 3V
Input Voltage Max 18V
No. of Outputs 1Outputs
DC / DC Converter IC Case TSOT-23
No. of Pins 6Pins
Output Current 750mA
Output Voltage Min 1.25V
Output Voltage Max 16V
Switching Frequency 1.6MHz
Operating Temperature Max 125°C
Product Range -
Automotive Qualification Standard -
MSL MSL 1 - Unlimited
SVHC No SVHC (27-Jun-2018)
Adjustable Output Voltage Min 1.25V
Base Number 2736
Frequency 1.6MHz
Operating Temperature Min -40°C
Operating Temperature Range -40°C to +125°C
Output Voltage 16V
Primary Input Voltage 18V
Supply Voltage Min 3V
Switch Output Current Isw Max 2.3A
Termination Type Surface Mount Device
Voltage Regulator Type Step Down (Buck)
RoHS Compliant

Alternative Part Descriptions

  • IC, DC DC CONVERTER; Topology:Buck (Step Down); Input Voltage Min:3V; Input Voltage Max:18V; No. of Outputs:1Outputs; DC / DC Converter IC Case:TSOT-23; No. of Pins:6Pins; Output Current:750mA; Output Voltage Min:1.25V; Output RoHS Compliant: Yes | Newark Electronics
  • 3V to 18V Input, 0.75A Step-Down Converter with Light Load Efficiency | Texas Instruments

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