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MSR7810WUP Series: low-cost, miniature, 1.0 A POL switching regulator

The MSR7805WUP series is a family of miniature, switching voltage regulators that provide up to 1.0 A of output current. While they are designed to be pin compatible with linear regulators such as the LM78xx, they offer many advantages including very high efficiency (no need for a heat sink), and small size.

Four standard models operate from inputs that range from 6.0 VDC to 36 VDC,  providing tightly regulated outputs of 3.3, 5, -5, 12, -12, 15, or -15 VDC. Standard features include efficiency as high as 95%, very low noise operation and tight line/load regulation. All models are approved to EN 60950 and have continuous short circuit protection. The 5 V, 12 V and 15 V models can be easily configured to produce a negative output. The MTBF of the MSR7810WUP series is greater than 2.0 Mhours (per MIL HDBK 217F).

Fabricated as a miniature, unpotted (open board) unit, the MSR7810WUP is only 0.689 x 0.453 x 0.295 inches (17.5 x 11.5 x 7.50 mm). The pin-out is compatible with LM78xx type linear regulators. Each model is specified for operation over the wide industrial operating temperature range of -40°C to +85°C with no heat sinking required. Cooling is by free-air convection.

The MSR7810WUP series offers many advantages including very high efficiency, a wide operating temperature range with no heat sink requirement, negative output capability and continuous short circuit protection. They have a very small board footprint and require a minimum of external components (two capacitors, the same as most LM78xx regulators) for optimum performance.

All MicroPower Direct products are designed to provide long, reliable field life. Considerable attention is given to the proper  selection, derating, and layout of all circuit components. In addition, extensive reliability screening is also performed on all modules as a routine part of our production process

Pricing: $2.85 (100s)

For more information, visit micropowerdirect.com.

Power Supplies & Energy Storage

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