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  4. Adjustable Current Limit, 16V, 6A, High Efficiency, Synchronous Step-Down Converter MPQ8626 (Monolithic Power Systems, Inc.)
Adjustable Current Limit, 16V, 6A, High Efficiency, Synchronous Step-Down Converter MPQ8626-MPQ8626
Adjustable Current Limit, 16V, 6A, High Efficiency, Synchronous Step-Down Converter MPQ8626-Monolithic Power Systems, Inc.

Adjustable Current Limit, 16V, 6A, High Efficiency, Synchronous Step-Down Converter MPQ8626
Monolithic Power Systems, Inc.

About This Product

■Summary

The MPQ8626 is a high frequency, synchronous buck converter with integrated functions. The MPQ8626 provides an extremely compact solution that delivers up to 6A of output current with excellent load and line regulation over a wide input range. The MPQ8626 operates with high efficiency over a wide load range. The MPQ8626 employs internally compensated constant-on-time (COT) control to provide fast transient response and facilitate loop stabilization. The operating frequency can be easily set to 600kHz, 1,100kHz, or 2,000kHz in the MODE setting, and the MPQ8626's frequency remains constant regardless of input and output voltages. The output voltage rise slope is controlled by an internal 1.5ms timer and can be increased by adding a capacitor to TRK/REF. An open-drain power good (PGOOD) signal indicates that the output is within its nominal voltage range. If the input supply cannot power the MPQ8626, PGOOD is clamped to approximately 0.7V with an external pull-up voltage. Extensive protection features include overcurrent protection (OCP), overvoltage protection (OVP), undervoltage protection (UVP), and overtemperature protection (OTP). The MPQ8626 requires a minimal number of standard off-the-shelf external components and is available in a QFN-14 (2mmx3mm) package.

■Wide input voltage range

・2.85V to 16V with external 3.3V VCC bias ・4V to 16V with internal VCC bias or external 3.3V VCC bias

■Features and benefits

・6A output current ・Accurate programmable current limit level ・Built-in low RDS (ON) power MOSFET ・Unique switching loss reduction technology ・Constant on time (COT) adaptable to ultra-fast transient response ・Stable with zero ESR output capacitor ・0.5% reference voltage over 0°C to +70°C junction temperature range ・1% reference voltage over -40°C to +125°C junction temperature range ・Selectable forced CCM or pulse skipping operation ・Excellent load regulation ・Output voltage tracking ・Output voltage discharge ・Active clamping of PGOOD at low level during power failure ・Soft start time programmable from 1ms or more ・Pre-bias startup

  • Product

    Adjustable Current Limit, 16V, 6A, High Efficiency, Synchronous Step-Down Converter MPQ8626

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1 Models of Adjustable Current Limit, 16V, 6A, High Efficiency, Synchronous Step-Down Converter MPQ8626

Image Part Number Price (excluding tax) Iout (max) (A) Iq (typ) (mA) Max Duty Cycle (%) P.G. SS Vfb (V) Fsw (max) (kHz) Grade Package (mm) Input voltage (max) (V) Input voltage (min) (V)
Adjustable Current Limit, 16V, 6A, High Efficiency, Synchronous Step-Down Converter MPQ8626-Part Number-MPQ8626

MPQ8626

Available upon quote

6

0.65

90

Yes

Internal

1

2,000

Industrial

QFN-14 (2x3)

16

2.85

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About Company Handling This Product

Monolithic Power Systems, Inc.

Company Overview

Monolithic Power Systems (MPS), founded in 1997 and headquartered in San Jose, California, is a manufacturer o...

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