LMR24210 - National Semiconductor

LMR24210 1.0A Step-Down Voltage Regulator

Ball A2, A3, B2, B3, C2, C3, D2, D3, D4 A4, B4 C4 Name SW Description Switching Node Application Information Internally connected to the source of the main MOSFET and the drain of the Synchronous MOSFET. Connect to the inductor. Supply pin to the device. Nominal input range is 4.5V to 42V. Connect a 33 nF capacitor from the SW pin to this pin. An internal d.

Features

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■ Input voltage range of 4.5V to 42V Output voltage range of 0.8V to 24V Output current up to 1.0A Integrated low RDS(ON) synchronous MOSFETs for high efficiency Up to 1 MHz switching frequency Low shutdown Iq, 25 µA typical Programmable soft-start No loop compensation required COT architecture with ERM 28 bump micro SMD (2.45 x 3.64 x 0.60 mm) packaging Fully enabled for WEBENCH®™ Power Designer System Performance Efficiency vs Load Current (VOUT = 3.3V) 100 90 EFFICIENCY (%) 80 70 60 50 40 0.0 VIN = 4.5V VIN = 9V VIN = 12v VIN = 24V VIN = 42v 0.2 0.4 0.6 0.8 LOAD CURRENT.