MP2104 – 1.7MHz 600mA SYNCHRONOUS STEP-DOWN CONVERTER

MP2104 Rev. 1.3

www.MonolithicPower.com

4

10/4/2005

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© 2005 MPS. All Rights Reserved.

TM

TYPICAL PERFORMANCE CHARACTERISTICS

2.05

1.95

1.85

1.75

1.65

1.55

1.45

1.35

1.25

2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0

SUPPLY VOLTAGE (V)

MP2104-TPC09

Oscillator Frequency vs

Supply Voltage

1.810

1.808

1.806

1.804

1.802

1.800

23456

SUPPLY VOLTAGE (V)

MP2104-TPC06

Output Voltage vs

Supply Voltage

1.85

1.83

1.81

1.79

1.77

1.75

1.73

1.71

1.69

1.67

1.65

0 100 200 300 400 500 600 700 800 900

LOAD CURRENT (mA)

MP2104-TPC05

Output Voltage vs

Load Current

1.3

1.2

1.1

1.0

0.9

0.8

0.7

TEMPERATURE (

°C)

MP2104-TPC08

PFET Current Limit vs

Temperature

0.620

0.615

0.610

0.605

0.600

0.595

0.590

0.585

0.580

-50 -30 -10 10 30 40 70 90 110 130

-50 -30 -10 10 30 40 70 90 110 130

TEMPERATURE (

°C)

MP2104-TPC07

Regulated FB Voltage vs

Temperature

100

90

80

70

60

50

40

30

20

10

0

10

100

1000

LOAD CURRENT (mA)

MP2104-TPC03

Efficiency vs

Load Current

100

90

80

70

60

50

40

30

20

10

0

10

100

1000

LOAD CURRENT (mA)

MP2104-TPC04

Efficiency vs

Load Current

100

90

80

70

60

50

40

30

20

10

0

10

100

1000

LOAD CURRENT (mA)

MP2104-TPC02

Efficiency vs

Load Current

100

90

80

70

60

50

40

30

20

10

0

10

100

1000

LOAD CURRENT (mA)

MP2104-TPC01

Efficiency vs

Load Current