MP1517 – 3A, 25V, 1.1MHz STEP-UP CONVERTER

MP1517 Rev. 1.4

www.MonolithicPower.com

3

4/28/2006

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© 2006 MPS. All Rights Reserved.

Parameter

Symbol Condition

Min

Typ

Max

Units

150

mΩ

SW On Resistance

(4)

225

mΩ

SW Current Limit

(4)

3.0

4.0

A

SW Leakage Current

0.5

µA

Thermal Shutdown

(4)

160

°C

Open Load Shutdown Threshold

Measured at OLS Pin

27

V

Note:

4) Guaranteed by design.

TYPICAL PERFORMANCE CHARACTERISTICS

91.8

91.7

91.6

91.5

91.4

91.3

91.2

91.1

TEMPERATURE (

°C)

MP1517-TPC03

Maximum Duty Cycle vs

Temperature

1.15

1.10

1.05

1.00

-50

0

50

100

150

TEMPERATURE (

°C)

MP1517-TPC02

Frequency vs

Temperature

715

710

705

700

695

690

685

-50

0

50

100

150

TEMPERATURE (

°C)

MP1517-TPC01

Feedback Voltage vs

Temperature

-50

0

50

100

150

100

95

90

85

80

75

70

65

60

55

50

LOAD CURRENT (mA)

MP1517-EC01

Efficiency vs

Load Current

1

10

100

1000

10000