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SGM3804

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Single Inductor, Positive/Negative Dual Output, Buck/Boost Converter

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The SGM3804 generates both positive and negative precision regulated voltage power sources, with a patent pending control scheme for single inductor dual output converter. Outputs are programmable in 100mV steps in 2.4V to 6.4V range, which are commonly used in drivers for LCD displays and AMOLED displays, as well as in any other circuits requiring both rails, with different loading on each rail. The device is equipped with I2C interface. With input in the range of 2.7V to 5.5V, the device is optimized for loading 100mA in boost-inverter mode and also works in buck-inverter mode.

The SGM3804 is available in a Green WLCSP- 1.7×1.51-12B package. It operates over an ambient temperature range of -40 to +85.

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FEATURES
  • Single Inductor for Positive & Negative Outputs

  • High Efficiency in Wide Output Loading Range

  • Outputs Programmable with I2C Interface

  • 2.4V to 6.4V Programmable for Both Outputs

  • Factory Programmable Default Outputs:

    SGM3804-0: VPO = +5.4V/VNO = -5.4V

    SGM3804-1: VPO = +4.6V/VNO = -3.5V

    SGM3804-2: VPO = +5.0V/VNO = -5.0V

    SGM3804-3: VPO = +4.6V/VNO = -2.4V

    SGM3804-4: VPO = +6.4V/VNO = -6.4V

  • 1.6MHz Switching plus Pulse-Skip Operation

  • Configurable Stop Active Discharge

  • Slim Package Fits into *65132 Footprint

APPLICATIONS

AMOLED/LCD Smart-Phones/Pads/Media-Players

Wearable Device Display/Audio

AFE with Positive & Negative Rails

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)
SGM3804-0YG/TR
Active
WLCSP-1.7×1.51-12B
12
Yes
YesYesYesMSL1
-40℃ to +85℃
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 : 91 days
SGM3804-1YG/TR
Active
WLCSP-1.7×1.51-12B
12
Yes
YesYesYes
-40℃ to +85℃
View
View
SGM3804-2YG/TR
Active
WLCSP-1.7×1.51-12B
12
Yes
YesYesYesMSL1
-40℃ to +85℃
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 : 91 days
SGM3804-3YG/TR
Active
WLCSP-1.7×1.51-12B
12
Yes
YesYesYes
-40℃ to +85℃
View
View
SGM3804-4YG/TR
Active
WLCSP-1.7×1.51-12B
12
Yes
YesYesYes
-40℃ to +85℃
View
View

* 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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