Diodes AP1509 Manuel d'utilisateur télécharger pdf (Page 8)

AP1509

150KHz, 2A PWM BUCK DC/DC CONVERTER

AP1509

Document number: DS31016 Rev. 4 - 2

8 of 13

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June 2010

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Typical Performance Characteristics (Continued)

AP1509 Threshold Voltage vs. Temperature

(V

IN

=12V, Io=100mA)

0.8

0.9

1

1.1

1.2

1.3

1.4

1.5

1.6

1.7

-50 -30 -10 10 30 50 70 90 110 130 150

Temperature (TA) (°C)

Threshold Voltage (V)

AP1509 ON/OFF Current vs. ON/OFF Voltage

(V

IN

=12V)

-100

-90

-80

-70

-60

-50

-40

-30

-20

-10

0

10

0 3 6 9 12 15 18 21

ON/OFF Voltage (V)

ON/OFF Current (nA)

AP1509 Frequency vs. Temperature

(V

IN

=12V, Io=500mA, V

OUT

=5V)

140

145

150

155

160

165

170

-50 -30 -10 10 30 50 70 90 110 130 150

Temperature (TA) (°C)

Frequency (KHz)

AP1509 Feedback Current vs. Temperature

(V

IN

=12V, V

OUT

=5V, Vfb=1.3V)

-50

-40

-30

-20

-10

0

10

-50 -30 -10 10 30 50 70 90 110 130 150

Temperature (TA) (°C)

Feedback Current (nA)

AP1509 Output Voltage vs. Temperature

(V

IN

=12V, Io=2A)

2.9

2.95

3

3.05

3.1

3.15

3.2

3.25

3.3

3.35

3.4

3.45

3.5

-40 -20 0 20 40 60 80 100 120 140 160

Temperature (TA) (°C)

V

OUT

(V)

1 2 3 4 5 6 7 8 9 10 11 12 13

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