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LM2830XMFNSCN/a1000avaiHigh Frequency 1.0A Load
LM2830ZSD/NOPB |LM2830ZSDNOPBNSCN/a20000avaiHigh Frequency 1.0A Load


LM2830ZSD/NOPB ,High Frequency 1.0A Load SNVS454E–AUGUST 2006–REVISED DECEMBER 20145 Pin Configuration and FunctionsWSON Package6-PinTop Vi ..
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LM2830XMF-LM2830ZSD/NOPB
High Frequency 1.0A Load
GNDEN
VO = 3.3V @ 1.0A
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LM2830, LM2830-Q1

SNVS454E –AUGUST 2006–REVISED DECEMBER 2014
LM2830/-Q1 High-Frequency 1.0-A Load Step-Down DC-DC Regulator Features 3 Description

The LM2830 regulator is a monolithic, high- LM2830Z-Q1 and LM2830X-Q1in the SOT-23 frequency, PWM step-down DC-DC converterina5-Package are Automotive-Grade Products that are pin SOT-23 anda 6-Pin WSON package. The deviceAEC-Q100 Grade1 Qualified (–40°Cto +125°C providesall the active functionsto provide local DC-Operating Junction Temperature) DC conversion with fast transient response and• Space-Saving SOT-23 Package accurate regulation in the smallest possible PCB
area. Witha minimumof external components, the• Input Voltage Rangeof 3.0Vto 5.5V
LM2830 regulatoris easyto use. The abilityto drive• Output Voltage Rangeof 0.6Vto 4.5V 1.0-A loads with an internal 130-mΩ PMOS switch• 1.0-A Output Current using state-of-the-art 0.5-µm BiCMOS technology High Switching Frequencies resultsin the best power density available. The world-
class control circuitry allows on-times as low as 30– 1.6 MHz (LM2830X) ns, thus supporting exceptionally high frequency– 3.0 MHz (LM2830Z) conversion over the entire 3-V to 5.5-V input 130-mΩ PMOS Switch operating range downto the minimum output voltage 0.6V. Switching frequencyis internally setto 1.6• 0.6-V, 2% Internal Voltage Reference MHz,or 3.0 MHz, allowing the useof extremely small• Internal Soft-Start surface-mount inductors and chip capacitors. Even• Current Mode, PWM Operation though the operating frequencyis high, efficienciesto 93% are easyto achieve. External shutdownis• Thermal Shutdown
included, featuring an ultra-low standby currentof 30• Overvoltage Protection nA. The LM2830 regulator uses current-mode control
and internal compensation to provide high-2 Applications performance regulation over a wide range of
operating conditions. Additional features include• Local 5-Vto Vcore Step-Down Converters
internal soft-start circuitryto reduce inrush current,• Core Powerin HDDs pulse-by-pulse current limit, thermal shutdown, and• Set-Top Boxes output overvoltage protection. USB Powered Devices
Device Information(1)
• DSL Modems• Automotive
(1) Forall available packages, see the orderable addendumat
the endofthe datasheet.
Typical Application Circuit Efficiencyvs Load Current
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