PAM2421 datasheet(5/9 Pages) PAM

5 / 9 page

Typical Operating Characteristics

At T =25

C ,V =V =5V,V

=0V,unless otherwise specified.

FREQ

Power Analog Microelectronics Inc

www.poweranalog.com

02/2012 Rev1.1

Efficiency vs Input Voltage (Vo=12V)

Efficiency vs Input Voltage (Vo=15V)

Efficiency vs Output Current (Vo=12V)

Efficiency vs Output Current (Vo=15V)

0 %

10 %

20 %

30 %

40 %

50 %

60 %

70 %

80 %

90 %

100 %

100

10 00

Lo ad Cu rren t (mA)

Vin=3.6V

Vin=4.2V

Vin=5V

10%

20%

30%

40%

50%

60%

70%

80%

90%

100%

1 0

100

1 000

Lo ad Current (m A)

Vin=3 .6V

Vin=4 .2V

Vin=5 V

10%

20%

30%

40%

50%

60%

70%

80%

90%

100%

3.5

4.5

5. 5

Inpu t Voltage (V)

1mA

10mA

100mA

500mA

0 %

10 %

20 %

30 %

40 %

50 %

60 %

70 %

80 %

90 %

1 00 %

3 .5

4 .5

5 .5

Inp ut Vo lta ge (V)

1mA

10mA

100m A

500m A

PAM2421,PAM2422,PAM2423

3A,4.5A,5.5A PWM Step-Up DC/DC Converter

Efficiency vs Output Current (Vo=5V)

Efficiency vs Input Voltage (Vo=5V)

0 %

1 0 %

2 0 %

3 0 %

4 0 %

5 0 %

6 0 %

7 0 %

8 0 %

9 0 %

10 0 %

1 0

1 0 0

10 00

10 0 00

O ut pu t Cu rre nt (mA )

V in=2 . 7V

V in=3 . 6V

V in=4 . 2V

10%

20%

30%

40%

50%

60%

70%

80%

90%

1 00%

2. 5

3 .5

4.5

Inp ut Vo lt ag e(V )

Io= 1m A

Io= 10 mA

Io= 10 0m A

Io= 50 0m A

Io= 1A

PAM2421 数据表(PDF) 5 Page - Power Analog Micoelectronics

PAM2421 数据表(HTML) 5 Page - Power Analog Micoelectronics

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