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SGM61040

Active

4A High Efficiency Synchronous Buck Converter

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is a high efficiency and miniature size synchronous Buck converter for low input voltage applications. This high frequency device does not need external compensation and is a perfect solution for compact designs. The 2.5V to 5.5V input voltage range is suitable for almost all available battery chemistries. For the SGM61040A version, to keep the high efficiency in the whole load range, the device operates in pulse width modulation (PWM) mode at normal load and automatically enters the power-save mode (PSM) at light loads. For the SGM61040B version, the device operates in continuous current mode (CCM) at light and heavy loads.

This device is based on adaptive off-time architecture, but still allows a wide range of output capacitors up to 150μF and even more. This flexibility makes the device a good choice for system power rails supplies. The adaptive off-time architecture provides excellent output voltage accuracy and superb load transient response.

The SGM61040 is available in a Green TDFN-2×2-7L package.

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FEATURES
  • 2.5V to 5.5V Input Voltage Range

  • Adjustable Output Voltage from 0.6V to VIN

  • Adaptive Off-Time Architecture

  • Up to 95% Efficiency

  • Low RDSON MOSFET Switches (27mΩ/12mΩ)

  • 42μA (TYP) Operating Quiescent Current

  • Ultra-Low Quiescent Current in Shutdown Mode

  • Power-Save Mode at Light Loads (SGM61040A)

  • 100% Duty Cycle Capability for Low Dropout

  • Startup with Pre-biased Output

  • Output Discharge Function

  • Power Good Output

  • Hiccup Mode Short-Circuit Protection

  • Thermal Shutdown Protection

  • Available in a Green TDFN-2×2-7L Package

APPLICATIONS

Battery-Powered Applications

Point-of-Load

Processor Power Supplies

Hard Disk Drives (HDD)/Solid State Drives (SSD)

Ordering Information
Part Number
StatusPackagePinsPd-Free
RoHS
REACH
Green
MSL RatingOperating Temperature RangeMaterial ContentReliability Report
Unit Resale Price*
(Volume Range: in USD)
Lead Time**
(Volume Range: Days)
SGM61040AXTEP7G/TR
Active
TDFN-2×2-7L
7
Yes
YesYesYesMSL1
-40℃ to +125℃
View
View
1-24 units : $1.05/unit
25-99 units : $0.9/unit
100-249 units : $0.75/unit
250-499 units : $0.6/unit
500-999 units : $0.525/unit
1000-9999 units : $0.39/unit
3K-9K : 14 days
10K-99K : 35 days
100K-999K : 70 days
1000K and above : 98 days
SGM61040BXTEP7G/TR
Active
TDFN-2×2-7L
7
Yes
YesYesYesMSL1
-40℃ to +125℃
View
View
1-24 units : $1.225/unit
25-99 units : $1.05/unit
100-249 units : $0.875/unit
250-499 units : $0.7/unit
500-999 units : $0.6125/unit
1000-9999 units : $0.455/unit
3K-9K : 14 days
10K-99K : 35 days
100K-999K : 70 days
1000K and above : 98 days

* The unit resale price is for reference purposes only. Please contact our distributors for a formal quotation.

** The lead time provided is for reference purposes only and is subject to change based on different circumstances.

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SG Micro Corp (SGMICRO) specializes in the development, manufacturing and sales of high-performance and high-reliability integrated circuits for analog signal conditioning and system power management, offering innovative solutions to a broad range of applications in the industrial, automotive, communication, computing, consumer electronics, and medical equipment markets.
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