EL7531

EL7531 Manufacturer

EL7531 Description

EL7531 Description

EL7531 Categories

EL7531 Datasheet (PDF)

EL7531 Price & Availability

EL7531 Features

• Less than 0.15 in²(0.97 cm²) footprint for the complete 1A converter
• Components on one side of PCB
• Max height 1.1mm MSOP10 or 1mm DFN 10 package
• Power-Good (PG) output
• Internally-compensated voltage mode controller
• Up to 94% efficiency
• <1?A shut-down current
• 120?A quiescent current
• Over-current and over-temperature protection
• External synchronizable up to 12MHz

EL7531 Features

• Less than 0.15 in² (0.97 cm²) footprint for the complete 1A converter
• Components on one side of PCB
• Max height 1.1mm MSOP10
• Power-Good (PG) output
• Internally-compensated voltage mode controller
• Up to 94% efficiency
• <1ìA shut-down current
• 120ìA quiescent current
• Overcurrent and over-temperature protection
• External synchronizable up to 12MHz
• Pb-Free plus anneal available (RoHS compliant)

EL7531 Description

The EL7531 is a synchronous, integrated FET 1A step-down regulator with internal compensation. It operates with an input voltage range from 2.5V to 5.5V, which accommodates supplies of 3.3V, 5V, or a Li-Ion battery source. The output can be externally set from 0.8V to V_IN with a resistive divider.

The EL7531 features automatic PFM/PWM mode control, or PWM mode only. The PWM frequency is typically 1.4MHz and can be synchronized up to 12MHz. The typical no load quiescent current is only 120µA. Additional features include a Power-Good output, <1µA shut-down current, short-circuit protection, and over-temperature protection.

The EL7531 is available in the 10-pin MSOP package, making the entire converter occupy less than 0.15 in² of PCB area with components on one side only. The 10-pin MSOP package is specified for operation over the full -40°C to +85°C temperature range.

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