RT9911 datasheet(13/32 Pages) RICHTEK

13 / 32 page

RT9911

DS9911-04 August 2007

www.richtek.com

VIN = 3.3V, VOUT = 1.8V, IOUT = 300mA

CH2 LX2 and Output Voltage Ripple

Time (1

μs/Div)

VIN = 4.2V, VOUT = 2.5V, IOUT = 400mA

CH2 LX2 and Output Voltage Ripple

Time (1

μs/Div)

CH2 Buck Efficiency vs. Output Current

100

1000

Output Current (mA)

VIN = 2.5V

= 3.0V

= 3.8V

= 4.5V

VOUT = 1.8V

CH1 Buck Output Voltage vs. Output Current

3.365

3.366

3.367

3.368

3.369

3.370

3.371

3.372

3.373

3.374

3.375

100 200 300 400

500 600 700 800 900

Loading Current (mA)

VIN = 3.7V, VOUT = 3.3V

CH1 Boost Output Voltage vs. Output Current

3.320

3.321

3.322

3.323

3.324

3.325

3.326

3.327

3.328

3.329

3.330

100 200 300 400 500 600 700 800 900

Output Current (mA)

VIN = 2.4V, VOUT = 3.3V

CH1 Boost Output Voltage vs. VDDM Voltage

3.20

3.21

3.22

3.23

3.24

3.25

3.26

3.27

3.28

3.29

3.30

2.4

2.8

3.2

3.6

4.0

4.4

4.8

5.2

5.6

VDDM Voltage (V)

VIN = 2.5V, VOUT = 3.3V, IOUT = 250mA

RT9911 Datasheet(PDF) 13 Page - Richtek Technology Corporation

RT9911 Datasheet(HTML) 13 Page - Richtek Technology Corporation

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32

Datasheet Download

Link URL