NCP139AFCT120T2GEVB: NCP139 WLCSP-6 Evaluation Board 1V2

The demo board supports the Bias Rail LDO regulator NCP139 in WLCSP6 1.2 x 0.8 mm package with Output Voltage 1.2 V and Bias Voltage in range from 3 V up to 5.5 V. It is a 700 mA very low dropout device equipped with NMOS pass transistor and a separate bias supply voltage rail. The device provides very stable, accurate output voltage with low noise suitable for space constrained, noise sensitive applications. In order to optimize performance for battery operated portable applications, the NCP139 features low IQ consumption. The device is available with or without active discharge feature.
Features and Applications


  • Input Voltage Range: VOUT to 5.5 V
  • Bias Voltage Range: 3 V to 5.5 V
  • Fixed Output Voltage device
  • ±1% Accuracy over Temperature, 0.5% VOUT @ 25°C
  • Ultra-Low Dropout: 50 mV Maximum at 1 A
  • Very Low Bias Input Current of Typ. 35 uA
  • Very Low Bias Input Current in Disable Mode: Typ. 0.5 uA
  • Logic Level Enable Input for ON/OFF Control
  • Output Active Discharge Option Available
  • Stable with a 10 uF Ceramic Capacitor
  • Available in WLCSP6 1.2 mm x 0.8 mm x 0.4 mm Package
  • These Devices are Pb−Free, Halogen Free/BFR Free and are RoHS Compliant


  • Battery-powered Equipment
  • Smartphones, Tablets
  • Cameras, DVRs, STB and Camcorders
Evaluation/Development Tool Information
Product Status Compliance Short Description Parts Used Action
NCP139AFCT120T2GEVB Active
NCP139 WLCSP-6 Evaluation Board 1V2 NCP139AFCT120T2G
Technical Documents
Type Document Title Document ID/Size Rev
Eval Board: BOM NCP139AFCT120T2GEVB Bill of Materials (ROHS Compliant) NCP139AFCT120T2GEVB_BOM_ROHS.pdf - 29 KB  0 
Eval Board: Gerber NCP139AFCT120T2GEVB Gerber Layout Files (Zip Format) - 31 KB  0 
Eval Board: Schematic NCP139AFCT120T2GEVB Schematic NCP139AFCT120T2GEVB_SCHEMATIC.pdf - 43 KB  0 
Eval Board: Test Procedure NCP139AFCT120T2GEVB Test Procedure NCP139AFCT120T2GEVB_TEST_PROCEDURE.pdf - 71 KB  0 
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