MIC2570_07 datasheet(4/15 Pages) MICREL

Part #	MIC2570

Description	Two-Cell Switching Regulator

Download	15 Pages

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Manufacturer	MICREL [Micrel Semiconductor]

Direct Link	http://www.micrel.com

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MIC2570

Micrel, Inc.

MIC2570

4

August 2007

Typical Characteristics

0

0.5

1.0

1.5

2.0

0

0.2

0.4

0.6

0.8

1.0

SWITCH VOLTAGE (V)

Switch Saturation Voltage

TA = –40°C

VIN= 3.0V

2.5V

2.0V

1.5V

0

0.5

1.0

1.5

2.0

0

0.2

0.4

0.6

0.8

1.0

SWITCH VOLTAGE (V)

Switch Saturation Voltage

TA = 25°C

VIN = 3.0V

2.0V

2.5V

1.5V

0

0.5

1.0

1.5

2.0

0

0.2

0.4

0.6

0.8

1.0

SWITCH VOLTAGE (V)

Switch Saturation Voltage

TA = 85°C

1.5V

VIN = 3.0V

15

20

25

30

-60 -30 0

30 60 90 120 150

TEMPERATURE (°C)

Oscillator Frequency

vs. Temperature

VIN = 2.5V

ISW= 100mA

50

55

60

65

70

75

-60 -30 0

30 60 90 120 150

TEMPERATURE (°C)

Oscillator Duty Cycle

vs. Temperature

VIN = 2.5V

ISW= 100mA

50

75

100

125

150

175

200

-60 -30 0

30 60 90 120 150

TEMPERATURE (°C)

Quiescent Current

vs. Temperature

VIN = 2.5V

0

2

4

6

8

10

-60 -30 0

30 60 90 120 150

TEMPERATURE (°C)

Feedback Current

vs. Temperature

VIN = 2.5V

MIC2570-1

0

10

20

30

40

50

-60 -30 0

30 60 90 120 150

TEMPERATURE (°C)

Feedback Current

vs. Temperature

VIN = 2.5V

MIC2570-2

0

25

50

75

100

125

150

175

200

0

2

4

6

8

10

SUPPLY VOLTAGE (V)

Quiescent Current

vs. Supply Voltage

–40°C

+85°C

+25°C

0

0.25

0.50

0.75

1.00

1.25

1.50

1.75

-60 -30 0

30 60 90 120 150

TEMPERATURE (°C)

Output Current Limit

vs. Temperature

0.01

0.1

1

10

100

1000

-60 -30 0

30 60 90 120 150

TEMPERATURE (°C)

Switch Leakage Current

vs. Temperature

0

25

50

75

100

125

150

-60 -30 0

30 60 90 120 150

TEMPERATURE (°C)

Output Hysteresis

vs. Temperature

2.85V

3.3V

5V

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MIC2570 Datasheet(PDF) 4 Page - Micrel Semiconductor

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