78SRH-3.3

www.murata-ps.com 78SR 2 Amp Series 2 Amp, 3.3V & 5V Output, High Efficiency, Synchronous Switching Regulators FEATURES ■ Up to 95% efficiency– no costly heat sinks or fans required ■ 3.3V/2A & 5V/2A models; pin compatible with 1.5A 78xx regulators ■ Wide 8– 32Vdc input voltage range ■ Two package options: 3-pin vertical mount SIP Low profile, horizontal mount SIP ■ No external Input/Output filter capacitors required ■ –40 to +70°C full load operation at 24Vin with no derating ■ Excellent load (±0.25%) and line (±0.35%) regulation ■ Low-cost upgrade for 78HT2, 78SR1, 78ST1, and PT5100 switchers ■ Open frame design minimizes self-heating & pc-board footprint ■ Includes output short-circuit protection and thermal shutdown ■ Low noise output for powering sensitive instrumentation Ordering Information Part No. Output Voltage 78SR-3.3/2-C 78SR-5/2-C 78SRH-3.3/2-C 78SRH-5/2-C 3.3Vdc 5.0Vdc 3.3Vdc 5.0Vdc Output Current 2.0A 2.0A 2.0A 2.0A Input Voltage 8.0-32Vdc 8.0-32Vdc 8.0-32Vdc 8.0-32Vdc Datel’s 78SR-3.3/2 (3.3V, 2 Amp output) and 78SR-5/2 (5V, 2 Amp output) step-down, switching regulators are ultra high-efficiency, modern replacements for LM78xx series 1.5Amp linear regulators. They are pin- and size-compatible, drop-in replacements for TO-220 style, 3-pin SIP or modular packages which require heat sinks. And, to ensure the lowest installed cost, no messy thermal grease, no mounting hardware and no external components are required for full operation. A 200KHz switching fre...