LM2830ZMF/NOPB Part Information

Details for LM2830ZMF/NOPB by Texas Instruments

Electronic & Electrical Components > Semiconductors - ICs > Power Management

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Part Description

The LM2830 regulator is a monolithic, highfrequency, PWM step-down DC-DC converter in a 5pin SOT-23 and a 6-Pin WSON package. The device provides all the active functions to provide local DCDC conversion with fast transient response and accurate regulation in the smallest possible PCB area. With a minimum of external components, the LM2830 regulator is easy to use. The ability to drive 1.0-A loads with an internal 130-mΩ PMOS switch using state-of-the-art 0.5-µm BiCMOS technology results in the best power density available. The worldclass control circuitry allows on-times as low as 30 ns, thus supporting exceptionally high frequency conversion over the entire 3-V to 5.5-V input operating range down to the minimum output voltage of 0.6 V. Switching frequency is internally set to 1.6 MHz, or 3.0 MHz, allowing the use of extremely small surface-mount inductors and chip capacitors. Even though the operating frequency is high, efficiencies up to 93% are easy to achieve. External shutdown is included, featuring an ultra-low standby current of 30 nA. The LM2830 regulator uses 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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Part Features

  • 0.6-V, 2% Internal Voltage Reference
  • 1.0-A Output Current
  • 130-mu2126 PMOS Switch
  • Current Mode, PWM Operation
  • High Switching Frequencies u2013 1.6 MHz (LM2830X) u2013 3.0 MHz (LM2830Z)
  • Input Voltage Range of 3.0 V to 5.5 V
  • Internal Soft-Start
  • LM2830Z-Q1 and LM2830X-Q1 in the SOT-23 Package are Automotive-Grade Products that are AEC-Q100 Grade 1 Qualified (u201340u00b0C to +125u00b0C Operating Junction Temperature)
  • Output Voltage Range of 0.6 V to 4.5 V
  • Overvoltage Protection
  • Space-Saving SOT-23 Package
  • Thermal Shutdown

Part Specifications

Topology Buck (Step Down)
Input Voltage Min 3V
Input Voltage Max 5.5V
No. of Outputs 1Outputs
DC / DC Converter IC Case SOT-23
No. of Pins 5Pins
Output Current 1A
Output Voltage Min 600mV
Output Voltage Max 4.5V
Switching Frequency 3MHz
Operating Temperature Max 125°C
Product Range -
Automotive Qualification Standard -
RoHS Phthalates Compliant Yes
MSL MSL 1 - Unlimited
SVHC No SVHC (27-Jun-2018)
RoHS Compliant

Alternative Part Descriptions

  • High frequency 1 A step-down DC/DC converter | Texas Instruments

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