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TPS65137

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Dual Positive and Negative Outputs w/ Digital Vneg Adjustment

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Data sheet

TPS65137

ACTIVE
Data sheet Order now

Product details

Display type AMOLED IC integration AMOLED bias Vin (min) (V) 2.3 Vin (max) (V) 5.5 Applications 7 inches or less Level shifter/scan driver (Ch) 0 V_POS (min) (V) 4.63 V_POS (max) (V) 4.63 V_NEG (min) (V) -5.2 V_NEG (max) (V) -2.2 Features Digital control interface Topology Boost, Inverting Buck-Boost Rating Catalog Operating temperature range (°C) -40 to 85
Display type AMOLED IC integration AMOLED bias Vin (min) (V) 2.3 Vin (max) (V) 5.5 Applications 7 inches or less Level shifter/scan driver (Ch) 0 V_POS (min) (V) 4.63 V_POS (max) (V) 4.63 V_NEG (min) (V) -5.2 V_NEG (max) (V) -2.2 Features Digital control interface Topology Boost, Inverting Buck-Boost Rating Catalog Operating temperature range (°C) -40 to 85
WSON (DSC) 10 9 mm² 3 x 3
  • 2.3 V to 5.5 V Input Voltage Range
  • 1% Output Voltage Accuracy VPOS
  • Excellent Line Transient Regulation
  • Low Noise Operation
  • 200 mA Output Current
  • Fixed 4.63 V Positive Output Voltage
  • Digitally Programmable Negative Output
    Voltage Down to –5.23V
  • –4.93V Default Value for VNEG
  • Advanced Power Save Mode
  • Short Circuit Protection
  • Thermal Shutdown
  • TPS65137A High impedance output in shutdown
  • 3×3 mm 10 Pin QFN Package
  • 2.3 V to 5.5 V Input Voltage Range
  • 1% Output Voltage Accuracy VPOS
  • Excellent Line Transient Regulation
  • Low Noise Operation
  • 200 mA Output Current
  • Fixed 4.63 V Positive Output Voltage
  • Digitally Programmable Negative Output
    Voltage Down to –5.23V
  • –4.93V Default Value for VNEG
  • Advanced Power Save Mode
  • Short Circuit Protection
  • Thermal Shutdown
  • TPS65137A High impedance output in shutdown
  • 3×3 mm 10 Pin QFN Package

The TPS65137 is designed to provide best in class picture quality for AMOLED displays (Active Matrix Organic Light Emitting Diode) requiring positive and negative voltage supply rails. With its wide input voltage range the device is ideally suited for AMOLED displays, which are used in mobile phones and smart phones. With this device the input voltage can be higher than the positive output voltage and still maintains accurate regulation of VPOS. Using the digital control pin (CTRL) allows adjusting the negative output voltage in digital steps. The TPS65137 uses a novel technology enabling excellent line and load regulation with minimum output voltage ripple by using a LDO post regulator for VPOS. This is required avoiding disturbance of the AMOLED display due to input voltage transients occurring during transmit periods in mobile phones.

The TPS65137 is designed to provide best in class picture quality for AMOLED displays (Active Matrix Organic Light Emitting Diode) requiring positive and negative voltage supply rails. With its wide input voltage range the device is ideally suited for AMOLED displays, which are used in mobile phones and smart phones. With this device the input voltage can be higher than the positive output voltage and still maintains accurate regulation of VPOS. Using the digital control pin (CTRL) allows adjusting the negative output voltage in digital steps. The TPS65137 uses a novel technology enabling excellent line and load regulation with minimum output voltage ripple by using a LDO post regulator for VPOS. This is required avoiding disturbance of the AMOLED display due to input voltage transients occurring during transmit periods in mobile phones.
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* Data sheet 200mA Dual Output AMOLED Display Power datasheet (Rev. A) 10 Oct 2012

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