PAM2301

800mA Step-Down DC-DC Converters

8

,

Power Analog Microelectronics Inc

www.poweranalog.com

Typical Performance Characteristics

T =25 C, C =10 F, C =10 F,L=4.7 H, unless otherwise noted.

AIN

O

O

μμ

μ

09/2008 Rev 1.3

0.1

0.15

0.2

0.25

0.3

0.35

0.4

23

45

6

Input Voltage

0

0.1

0.2

0.3

0.4

0.5

0.6

20

70

120

Tem perature(

℃)

Vin=4.2V

Vin=3.6V

Vin=2.7V

Vin=3.6V

1.2

1.3

1.4

1.5

1.6

1.7

1.8

234

567

Supply Voltage(V)

1.50

1.52

1.54

1.56

1.58

20

40

60

80

100

120

140

Temperature(

℃）

R

VS Input Voltage

dson

Rdson VS Temperature

Oscillator Frequency VS Supply Voltage

Oscillator Frequency VS Temperature

Vin=3.6V

Vin=3.6V

Vin=3.6V

0

5

10

15

20

25

30

35

40

45

50

2.533.544.555.5

Input Voltage(V)

Dynamic Supply Current VS Input Voltage

Vo=1.2V

ILoad=0A

0

10

20

30

40

50

60

40

60

80

100

120

140

Temperature(

℃）

Dynamic Supply Current VS Temperature

Vo=1.2V

Vin=3.6V

ILoad=0A