250 mA dual DC-DC converter for powering AMOLED display

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  • The STOD13AS is a dual DC-DC converter for AMOLED display panels. It integrates a step-up and an inverting DC-DC converter making it particularly suitable for battery operated products, in which the major concern is overall system efficiency. It works in pulse skipping mode during low load conditions and PWM-MODE at 1.5 MHz frequency for medium/high load conditions. The high frequency allows the value and size of external components to be reduced. The Enable pin allows the device to be turned off, therefore reducing the current consumption to less than 1 μA. The negative output voltage can be programmed by an MCU through a dedicated pin which implements single-wire protocol. Soft-start with controlled inrush current limit, thermal shutdown, and short-circuit protection are integrated functions of the device.

    Key Features

    • Step-up and inverter converters
    • Operating input voltage range from 2.5 V to 4.5 V
    • Synchronous rectification for both DC-DC converters
    • Minimum 250 mA output current
    • 4.6 V fixed positive output voltage
    • Programmable negative voltage by SWIREfrom -2.4 V to -6.4 V at 100 mV steps
    • Typical efficiency: 85%
    • Pulse skipping mode in light load condition
    • 1.5 MHz PWM mode control switching frequency
    • TDMA noise high immunity
    • Enable pin for shutdown mode
    • Low quiescent current in shutdown mode
    • Soft-start with inrush current protection
    • Overtemperature protection
    • Temperature range: -40 °C to 85 °C
    • True-shutdown mode
    • Fast discharge outputs of the circuits after shutdown
    • Short-circuit protection
    • Package DFN12L (3 x 3 mm) 0.6 mm height

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Part Number
Marketing Status
Quantity
Budgetary Price (US$)*
Package
Packing Type
Temperature (°C) ECCN (US)
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min
max
STOD13ASTPUR
NRND
- VFDFPN 12 3x3x0.55 Tape And Reel -40 85 EAR99
MORE INFO

Country of Origin:

-

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Distributor availability ofSTOD13ASTPUR

Distributor Name
Region Stock Min. Order Third party link
P&S ASIA/PACIFIC 6 1 Order Now

Distributor reported inventory date: 2019-11-11

Distributor Name

P&S

Stock

6

Min.Order

1

Region

ASIA/PACIFIC Order Now

Distributor reported inventory date: 2019-11-11

Buy now

STOD13ASTPUR

Marketing Status

NRND

Quantity

-

Unit Price (US$)

*

Distributor availability ofSTOD13ASTPUR

Distributor Name
Region Stock Min. Order Third party link
P&S ASIA/PACIFIC 6 1 Order Now

Distributor reported inventory date: 2019-11-11

Distributor Name

P&S

Stock

6

Min.Order

1

Region

ASIA/PACIFIC Order Now

Distributor reported inventory date: 2019-11-11

Unit Price (US$)

-

Package

VFDFPN 12 3x3x0.55

Packing Type

Tape And Reel

Operating Temperature (°C)

(min)

-40

(max)

85

ECCN (US)

EAR99

Country of Origin

-

(*) Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office  or our Distributors

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Technical Documentation

    • Description Version Size Action
      DS8859
      250 mA dual DC-DC converter for powering AMOLED displays
      1.0
      689.31 KB
      PDF
      DS8859

      250 mA dual DC-DC converter for powering AMOLED displays

Publications and Collaterals

    • Description Version Size Action
      Linear and Switching Voltage Regulators Selection Guide 3.0
      370.88 KB
      PDF

      Linear and Switching Voltage Regulators Selection Guide

Part Number Marketing Status Package Grade RoHS Compliance Grade Material Declaration**
STOD13ASTPUR
NRND
VFDFPN 12 3x3x0.55 Industrial Ecopack2

STOD13ASTPUR

Package:

VFDFPN 12 3x3x0.55

Material Declaration**:

PDF XML

Marketing Status

NRND

Package

VFDFPN 12 3x3x0.55

Grade

Industrial

RoHS Compliance Grade

Ecopack2

(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.