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LM26420YSQ/NOPB |LM26420YSQNOPBNSCN/a1994avaiDual 2.0A, High Frequency Synchronous Step-Down DC-DC Regulator 16-WQFN -40 to 125


LM26420YSQ/NOPB ,Dual 2.0A, High Frequency Synchronous Step-Down DC-DC Regulator 16-WQFN -40 to 125Features 2 Applications1• Qualified for Automotive Applications • Local 5 V to Vcore of FPGAs• AEC ..
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LM26420YSQ/NOPB
Dual 2.0A, High Frequency Synchronous Step-Down DC-DC Regulator
VIN PG2
VIN Buck 2 Compliant with CISPR25 Class5 Conducted
Emissions Input Voltage Rangeof3Vto 5.5V Output Voltage Rangeof 2-A Output Current per Regulator High Switching Frequency:
0.55 MHz (LM26420Y) 0.8V, 1.5% Internal Voltage Internal Soft Start Independent Power Good
for Each Output Current Mode, PWM Operation Thermal Shutdown Overvoltage Protection Start-up into Pre-biased Output Regulators are 180° Outof Description
The LM26420 regulator is a monolithic, high-
efficiency dual PWM step-down DC-DC converter.
This device has the abilityto drive two 2-A loads with internal 75-mΩ PMOS top switch and an internal
50-mΩ NMOS bottom switch using state-of-the-art
BICMOS technology resultsin the best power density
available. The world-class control circuitry allow on
times as low as 30 ns, thus supporting exceptionally
high-frequency conversion over the entire 3-Vto 5.5- input operating range downto the minimum output
voltageof 0.8V.
Although the operating frequencyis high, efficienciesto 93% are easyto achieve. External shutdownis
included, featuring an ultra-low standby current. The
LM26420 utilizes current-mode control and internal
compensationto provide high performance regulation
overa wide rangeof operating conditions.
Device Information(1)

(1) Forall available packages, see the orderable addendumat
the endofthe data sheet.
LM26420 Dual Buck DC-DC Converter LM26420 Efficiency (Upto 93%)
ic,good price


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