AP1515

150KHz, 1.5A PWM Buck DC/DC Converter

Anachip Corp.

www.anachip.com.tw

Rev.1.0 Oct 29, 2004

5/6

Typical Performance Characteristics (Continued)

AP1515 Saturation Voltage v.s. Temperature

(Vcc=12V,Vfb=0V,VSD=0)

0.7

0.8

0.9

1

1.1

1.2

1.3

1.4

-50

-25

0

25

50

75

100

125

Temperature (TA)　(°C)

1.5A

1A

0.5A

AP1515 Switch Current Limit v.s. Temperature

(Vcc=12V,Vfb=0V)

2

2.5

3

3.5

-50

-30

-10

1030

5070

90

Temperature (TA) (°C)

AP1515 Supply Current v.s. Temperature

(Vcc=12V , No Load ,Von/off =0V(Switch ON) ,Von/off =5V(Switch OFF))

5

6

7

8

9

10

11

12

13

14

15

-50 -30 -10 10

30

50

70

90 110 130 150

Temperature (TA) (°C)

Switch ON

30

35

40

45

50

55

60

-50 -30 -10 10

30

50

70

90 110 130 150

Temperature (TA) (°C)

Switch OFF

AP1515 Frequency v.s. Temperature

(Vcc=12V , Io=500mA ,Vout=5V)

140

145

150

155

160

165

170

-50 -30 -10 10

30

50

70

90 110 130 150

Temperature (TA) (°C)

AP1515 Feedback Current v.s. Temperature

(Vcc=12V , Vout=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)