FAN53611AUC12X 데이터 시트보기 (PDF) - Fairchild Semiconductor

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FAN53611AUC12X

6 MHz, 600 mA / 1 A Synchronous Buck Regulator

Fairchild Semiconductor 

Typical Performance Characteristics

Unless otherwise noted, VIN = VEN = 3.6 V, VMODE = 0 V (AUTO Mode), VOUT = 1.82 V, and TA = 25°C.

95%

90%

85%

80%

75%

70%

0

200

400

600

Load Current (mA)

2.7 VIN

3.6 VIN

4.2 VIN

5.0 VIN

800

1000

92%

90%

88%

86%

84%

82%

80%

78%

76%

74%

72%

70%

68%

66%

64%

62%

60%

0

200

400

600

Load Current (mA)

- 40C, AUTO

+25C, AUTO

+85C, AUTO

- 40C, PWM

+25C, PWM

+85C, PWM

800

1000

Figure 4. Efficiency vs. Load Current and

Input Voltage, Auto Mode, Dotted for Decreasing Load

90%

88%

86%

84%

82%

80%

78%

76%

74%

72%

70%

68%

66%

64%

0

200

400

600

Load Current (mA)

2.7 VIN

3.6 VIN

4.2 VIN

5.0 VIN

800

1000

Figure 5. Efficiency vs. Load Current

and Temperature, Auto Mode, Dotted for FPWM

90%

88%

86%

84%

82%

80%

78%

76%

74%

72%

70%

68%

66%

64%

62%

60%

0

200

400

600

Load Current (mA)

- 40C, AUTO

+25C, AUTO

+85C, AUTO

- 40C, PWM

+25C, PWM

+85C, PWM

800

1000

Figure 6. Efficiency vs. Load Current and

Input Voltage, VOUT = 1.23 V, Auto Mode, Dotted

for Decreasing Load

3

2.7VIN, AUTO

3.6VIN, AUTO

4.2VIN, AUTO

2

5.0VIN, AUTO

2.7VIN, PWM

3.6VIN, PWM

1

4.2VIN, PWM

5.0VIN, PWM

0

-1

-2

0

100

200

300

400

500

600

Load Current (mA)

Figure 8. Output Regulation vs. Load Current,

VOUT = 1.00 V, Dotted for Auto Mode

Figure 7. Efficiency vs. Load Current

and Temperature, VOUT = 1.23 V, Auto Mode,

Dotted for FPWM

90%

88%

86%

84%

82%

80%

78%

76%

74%

72%

70%

68%

66%

64%

0

2.7 VIN

3.6 VIN

4.2 VIN

5.0 VIN

100

200

300

400

500

600

Load Current (mA)

Figure 9. Efficiency vs. Load Current, VOUT = 1.00 V,

Dotted for Decreasing Load

© 2010 Fairchild Semiconductor Corporation

FAN53601 / FAN53611 • Rev. 1.8

6

www.fairchildsemi.com

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