Data sheet, Typical performance characteristics (continued), Figure 8. frequency vs. temperature – Diodes AP3417B User Manual

Page 7: Figure 9. reference voltage vs. temperature, Figure 10. switch current limit vs. temperature, Figure 11. r, Vs. temperature

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Data Sheet

1.2A, 1.4MHz High Efficiency Synchronous DC-DC Buck Converter AP3417B

Jan. 2013 Rev. 1. 0 BCD Semiconductor Manufacturing Limited

7

Typical Performance Characteristics (Continued)



















Figure 8. Frequency vs. Temperature

Figure 9. Reference Voltage vs. Temperature





















Figure 10. Switch Current Limit vs. Temperature

Figure 11. R

DS(ON)_UP

vs. Temperature


-40

-20

0

20

40

60

80

100

120

140

1.0

1.1

1.2

1.3

1.4

1.5

1.6

1.7

Temperature (

o

C)

F

requency

(M

Hz

)

V

IN

=V

EN

=5.0V

-40

-20

0

20

40

60

80

100

120

140

0.56

0.57

0.58

0.59

0.60

0.61

0.62

0.63

0.64

Temperature (

o

C)

Re

fe

re

nce Vol

tage

(V)

V

IN

=5.0V

-40

-20

0

20

40

60

80

100

120

140

1.4

1.5

1.6

1.7

1.8

1.9

2.0

2.1

2.2

2.3

2.4

Temperature (

o

C)

Swi

tch

Cu

rr

e

n

t Li

m

it (A)

V

IN

=5.0V

-40

-20

0

20

40

60

80

100

120

140

0.18

0.20

0.22

0.24

0.26

0.28

0.30

0.32

0.34

0.36

0.38

0.40

Temperature (

o

C)

PM

O

S

R

DS

(O

N)

_UP

(

)

V

IN

=5.0V

I

SW

=200mA

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