RT5510 datasheet(11/52 Pages) RICHTEK

11 / 52 page

RT5510

is a registered trademark of Richtek Technology Corporation

DS5510-00

October

2019

www.richtek.com

Efficiency vs. Output Power

100

Output Power (W)

VBAT = 3.6V, RL = 8 + 33H,

100Hz input frequency

Efficiency with DVDD

Efficiency without DVDD

THD+N vs. Frequency

-90

-80

-70

-60

-50

-40

-30

-20

-10

100

1000

10000

100000

Frequency (Hz)

VBAT = 4.2V, Output Power = 4.8W,

RL = 8 + 33H

40degree

25degree

85degre

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

RL = 8 + 33H, PO at THD+N = 1%

Battery mode

Output Power vs. Battery Supply Voltage

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)

RL = 4 + 33H, PO at THD+N = 1%

Adaptive mode

Battery mode

PSRR

-100

-90

-80

-70

-60

-50

-40

-30

-20

-10

100

1000

10000

100000

Ripple Frequency (Hz)

VBAT = 3.6V, RL = 8 + 33H,

ripple = 200mVpp on VBAT

VBAT = 3.6V, RL = 8, + 33H, PO = 4.3W

Boost

Output

(2V/Div)

Boost Change Mode Behavior

Time (2.5ms/Div)

IVBAT

(1A/Div)

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