RT5016C datasheet(31/68 Pages) RICHTEK

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RT5016C

DS5016C-02

November 2016

www.richtek.com

is a registered trademark of Richtek Technology Corporation.

Application Information

Power Converter Unit

The RT5016C is an integrated power solution for digital still cameras and other small handheld devices. It includes six

DC-DC converters, a WLED driver, two low output LDO, a RTC LDO, and a fully integrated single-cell Li-ion battery

charger that is ideal for portable applications.

CH1 : Synchronous Step-Up DC-DC Converter

The synchronous step-up DC-DC converter can be operated in either PFM or Sync-PWM mode by setting I2C. It

includes internal power MOSFETs, compensation network and feedback resistors. The P-MOSFET can be controlled to

disconnect output loading. It is suitable for providing power to the motor. The output voltage of CH1 can be adjusted by

the I2C interface in the range of 3.6V to 5.5V.

CH1 regulation voltage can be selected by I

C interface. The default voltage is 5V.

Code

Voltage

Code

Voltage

Code

Voltage

Code

Voltage

0000

3.6V

0001

3.7V

0010

3.8V

0011

3.9V

0100

0101

4.5V

0110

4.6V

0111

4.7V

1000

4.8V

1001

4.9V

1010

1011

5.1V

VOUT1 [3:0]

1100

5.2V

1101

5.3V

1110

5.4V

1111

5.5V

CH2 : Synchronous Step-Up/Down (Buck-Boost) DC-DC Converter

The synchronous step-up/down (Buck-Boost) DC-DC converter can be operated in either PFM or Sync-PWM mode by

setting I2C. It includes internal power MOSFETs, compensation network and feedback resistors. This channel supplies

the power for I/O. The FB voltage of CH2 can be adjusted by the I2C interface in the range of 0.72V to 0.86V.

FB2 regulation voltage can be selected by I

C interface. The default voltage is 0.8V.

Code

VREF

If Target = 1.8V

If Target = 1V

If Target = 3.3V

000

0.72V

1.62V

0.9V

2.97V

001

0.74V

1.665V

0.925V

3.0525V

010

0.76V

1.71V

0.95V

3.135V

011

0.78V

1.755V

0.975V

3.2175V

100

0.8V

1.8V

3.3V

101

0.82V

1.845V

1.025V

3.3825V

110

0.84V

1.89V

1.05V

3.465V

FB2 [2:0]

111

0.86V

1.935V

1.075V

3.5475V

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