Data sheet, Typical performance characteristics (continued), Vs. temperature – Diodes AP3407/A User Manual

Page 7

Advertising
background image


Data Sheet

1.2A, 1.4MHz High Efficiency Synchronous DC-DC Buck Converter AP3407/A

Dec. 2011 Rev. 1. 3 BCD Semiconductor Manufacturing Limited

7

Typical Performance Characteristics (Continued)



Figure 8. Frequency vs. Temperature Figure 9. Feedback Voltage vs. Temperature


















Figure 10. OCP Current Limit vs. Temperature Figure 11. R

DS (ON)_UP

vs. Temperature



-40

0

40

80

120

160

1.2

1.3

1.4

1.5

1.6

1.7

F

requ

ency (MHz)

Temperature (

O

C)

V

IN

=3.3V

V

OUT

=2.5V

-40

0

40

80

120

160

0.57

0.58

0.59

0.60

0.61

0.62

F

e

e

dback Vol

tag

e (V)

Temperature (

O

C)

V

IN

=3.3V

-40

0

40

80

120

160

1.2

1.4

1.6

1.8

2.0

2.2

O

C

P C

u

rr

e

n

t

Limit (A)

Temperature (

O

C)

V

IN

=3.3V

V

FB

=0.55V

-40

0

40

80

120

160

0.0

0.1

0.2

0.3

0.4

0.5

R

D

S

(O

N)

-U

P

(

)

Temperature (

O

C)

V

IN

=3.3V

I

SW

=200mA

Advertising