100

90

80

70

60

50

40

30

20

10

0

0.1

1

10

100

1000

I - Load Current - mA

O

V = 1.8 V

O

V = 2.7 V

PFM/PWM Operation

I

V = 3.6 V

PFM/PWM Operation

I

V = 4.2 V

PFM/PWM Operation

I

V = 3.6 V

Forced PWM Operation

I

100

90

80

70

60

50

40

30

20

10

0

0.1

1

10

100

1000

I - Load Current - mA

O

V = 1.2 V

O

V = 2.7 V

PFM/PWM Operation

I

V = 3.6 V

PFM/PWM Operation

I

V = 4.2 V

PFM/PWM Operation

I

V = 3.6 V

Forced PWM Operation

I

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SLVSAI0D – OCTOBER 2010 – REVISED APRIL 2012

TYPICAL CHARACTERISTICS

Table of Graphs

FIGURE

vs Load current

3, 4

η

Efficiency

vs Input voltage

5

Peak-to-peak output ripple voltage

vs Load current

6, 7, 8

DC output voltage

vs Load current

9, 10, 11

Combined line/load transient

12, 13

response

14, 15, 16, 17

Load transient response

18, 19, 20

AC load transient response

21

22, 23, 24, 25

Load transient response

26, 27, 28

AC load transient response

29

PFM/PWM boundaries

vs Input voltage

30, 31

Quiescent current

vs Input voltage

32

PWM switching frequency

vs Input voltage

33

Start-up

34, 35

PSRR

Power supply rejection ratio

vs. Frequency

36

Spurious output noise (PFM mode)

vs. Frequency

37

Spurious output noise (PWM mode)

vs. Frequency

38

Output spectral noise density

vs. Frequency

39

EFFICIENCY

EFFICIENCY

vs

vs

LOAD CURRENT

LOAD CURRENT

Figure 3.

Figure 4.

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