MP2115 – 2A, 6V SYNCHRONOUS STEP-DOWN CONVERTER

MP2115 Rev. 1.0

www.MonolithicPower.com

3

2/28/2011

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Parameter

Symbol Condition

Min

Typ

Max

Units

Supply Current

800

1000

µA

Shutdown Current

0.10

1

µA

IN Undervoltage Lockout Threshold

Rising Edge

2.2

2.35

2.45

V

IN Undervoltage Lockout Hysteresis

60

mV

Regulated FB Voltage

0.595

0.607

0.619

V

0.589

0.607

0.625

FB Input Bias Current

-50

0.5

+50

nA

PFET On Resistance

0.1

Ω

NFET On Resistance

0.1

Ω

Load Switch PFET On Resistance

0.22

Ω

Load Switch Current Set

500

mA

SW Leakage Current

-1

+1

µA

PFET Current Limit

（

3.5

A

Oscillator Frequency

1.05

1.3

1.55

MHz

Thermal Shutdown Trip Threshold

145

°C

EN Input Low Voltage

0.3

1.32

1.45

V

En Input High Voltage

1.65

1.75

2

V

EN Input Current

-1

1

µA

Power Good Ramp Up Threshold

C5=220pF

80

%

Power Good Ramp Down Threshold

70

%

Soft Start Time

100

µs

Power Good Sink Current Capability

Sink 4mA

0.5

V

Power Good Leakage Current

-50

50

nA

Note:

5) 100% production test at +25°C. Specifications over the temperature range are guaranteed by design and characterization.

6）Guaranteed by design