RT5509WSC datasheet(11/58 Pages) RICHTEK

11 / 58 page

RT5509

is a registered trademark of Richtek Technology Corporation

DS5509-00

August

2017

www.richtek.com

Typical Operating Characteristics

THD+N vs. Output Power

0.01

0.1

0.001

0.01

0.1

Output Power (W)

6kHz

1kHz

100kHz

VBAT = 3.6V, RL = 8 + 22H

THD+N vs. Frequency

0.01

0.1

100

1000

10000

100000

Frequency (Hz)

VBAT = 3.6V, RL = 8 + 22H, PO = 500mW

Efficiency vs. Output Power

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

4.5

Output Power (W)

VBAT = 3.6V, RL = 8 + 22H,

100Hz input frequency

Output Power vs. Battery Supply Voltage

0.0

0.7

1.4

2.1

2.8

3.5

4.2

4.9

5.6

6.3

7.0

2.0

2.4

2.8

3.2

3.6

4.0

4.4

4.8

5.2

5.6

6.0

Battery Supply Voltage (V)

Adaptive mode PO

Battery

VBAT = 3.6V, RL = 8 + 22H, PO at THD+N = 1%

Adaptive mode PO un-limit

PSRR

-100

-50

100

1000

10000

100000

Ripple Frequency (Hz)

VBAT = 3.6V, RL = 8 + 22H,

ripple = 200mVpp on VBAT

Boost Change Mode Behavior

VBAT = 3.6V, RL = 8 + 22H, 100Hz

Time (2.5ms/Div)

Boost

Output

(2V/Div)

IVBAT

(1A/Div)

RT5509WSC Datasheet(PDF) 11 Page - Richtek Technology Corporation

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