MC33680FTBR2 datasheet(6/14 Pages) ONSEMI

Part #	MC33680FTBR2

Description	Dual DC?묭C Regulator for Electronic Organizer

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Manufacturer	ONSEMI [ON Semiconductor]

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MC33680

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DYNAMIC ELECTRICAL CHARACTERISTICS (Refer to TIMING DIAGRAMS, TA = 0 to 70°C unless otherwise noted.)

Rating

Symbol

Min

Typ

Max

Unit

Minimum PORB to Control delay

tPORC

500

nS

1

80%

1

90%

1

80%

0

90%

VIN, INPUT VOLTAGE (V)

IOUT_AUX, AUX OUTPUT CURRENT (mA)

Figure 4. Efficiency of VMAIN versus Output

Current (VMAIN = 3.3 V, L = 33 uH, Various VIN)

IOUT_MAIN, MAIN OUTPUT CURRENT (mA)

Figure 5. Efficiency of VMAIN versus Input

Voltage (VMAIN = 3.3 V, L1 = 33 uH, Various IOUT)

Figure 6. Efficiency of VAUX versus Output

Current (VAUX = 25 V, L2 = 33 uH, Various VIN)

Figure 7. Efficiency of VAUX versus Input

Voltage (VAUX = 25 V, L2 = 33 uH, Various IOUT)

85%

80%

75%

70%

10

60

70

80

90

100

85%

80%

75%

70%

1.5

2

3

75%

70%

65%

60%

55%

50%

35

7

11

13

15

75%

70%

65%

60%

55%

50%

1.5

2

2.5

3

2.5

9

Vin = 3V

Vin = 1.8V

Vin = 1.5V

Vin = 1V

Iout = 10mA

Iout = 60mA

Iout = 100mA

Iout = 1mA

Iout = 5mA

Iout = 10mA

Iout = 15mA

Vin = 3V

Vin = 1.8V

Vin = 1.5V

Vin = 1V

20

30

40

50

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MC33680FTBR2 Datasheet(PDF) 6 Page - ON Semiconductor

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