FAN53601 Просмотр технического описания (PDF) - ON Semiconductor

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производитель

FAN53601

6 MHz, 600 mA / 1 A Synchronous Buck Regulator

ON Semiconductor 

Typical Performance Characteristics

Unless otherw ise 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 Tem perature, 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

Figure 7. Efficiency vs. Load Current

and Tem perature, VOUT = 1.23 V, Auto Mode,

Dotted for FPWM

3

2

1

0

-1

-2

0

2.7VIN, AUTO

3.6VIN, AUTO

4.2VIN, AUTO

5.0VIN, AUTO

2.7VIN, PWM

3.6VIN, PWM

4.2VIN, PWM

5.0VIN, PWM

100

200

300

400

500

600

Load Current (mA)

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 8. Output Regulation vs. Load Current,

VOUT = 1.00 V, Dotted for Auto Mode

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

Dotted for Decreasing Load

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