Copyright

© ANPEC Electronics Corp.

Rev. A.6 - Aug., 2012

APW7153/A/B

www.anpec.com.tw

5

Refer to the application circuit in the section “Typical Application Circuits”, V

Typical Operating Characteristics

Oscillator Frequency vs. RT Resistance

Efficiency vs. Output Current

Reference Voltage vs. Supply Voltage

Supply Voltage, V

780

785

790

795

800

805

810

815

820

2

2.5

3

3.5

4

4.5

5

5.5

No Switch Quiescent Current

vs. Supply Voltage

Peak Current-Limit vs. Supply Voltage

0

1

2

3

4

5

6

2.5

3

3.5

4

4.5

5

5.5

Supply Voltage, V

Efficiency vs. Output Current

200

250

300

350

400

450

2

2.5

3

3.5

4

4.5

5

5.5

Supply Voltage, V

0.01

0.1

1

10

Output Current, I

50

55

60

65

70

75

80

85

90

95

100

V

V

R

50

55

60

65

70

75

80

85

90

95

100

0.01

0.1

1

10

Output Current, I

V

V

R

RT Resistance, R

0

0.2

0.4

0.6

0.8

1

1.2

1.4

1.6

1.8

2

0

200 400 600 800 1000 1200 1400

RT=330k for 1MHz

RT=1.3M for 300kHz