Diodes AP1507 Manuel d'utilisateur télécharger pdf (Page 8)

AP1507

150KHz, 3A PWM BUCK DC/DC CONVERTER

AP1507

Document number: DS31067 Rev. 3 - 2

8 of 12

www.diodes.com

May 2012

© Diodes Incorporated

Typical Characteristics (cont.)

-50 -30 -10 10 30 50 70 90 130110 150

TEMPERATURE (°C)

Threshold Voltage vs. Temperature

T

H

R

ES

H

O

LD V

O

L

T

A

G

E (V)

1.7

1.6

1.5

0.9

0.8

1.1

1.3

1.4

1.0

1.2

V = 12V

I = 100mA

CC

O

0 3 6 9 12 15 18 21

ON/OFF VOLTAGE (V)

ON/OFF Current vs. ON/OFF Voltage

ON/OFF CURRENT (nA)

10

0

-10

-90

-100

-60

-40

-30

-80

-50

-70

-20

V = 12V

IN

-50 -30 -10 10 30 50 70 90 130110 150

TEMPERATURE (°C)

Frequency vs. Temperature

F

R

E

Q

U

EN

C

Y

(K

H

z)

170

165

160

145

140

150

155

V = 12V

I = 500mA

V= 5V

CC

O

OUT

-50 -30 -10 10 30 50 70 90 130110 150

TEMPERATURE (°C)

Feedback Current vs. Temperature

FEEDBA

C

K

C

U

R

R

E

N

T

(nA)

10

0

-10

-40

-50

-30

-20

V = 12V

V = 5V

V = 1.3V

CC

FB

OUT

-40 -2 0 20 40 60 80 100 140120 160

TEMPERATURE (°C)

Output Voltage vs. Temperature

VOLTAGE OUTPUT (V)

3.

5

3.4

3.3

3.0

2.9

3.1

3.2

3.45

3.35

3.25

2.95

3.05

3.15

V = 12V

I = 3A

IN

O

1 2 3 4 5 6 7 8 9 10 11 12

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