MP2104 datasheet(3/10 Pages) MPS

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MP2104 – 1.7MHz 600mA SYNCHRONOUS STEP-DOWN CONVERTER

MP2104 Rev. 1.3

www.MonolithicPower.com

10/4/2005

MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.

ELECTRICAL CHARACTERISTICS (continued) (5)

VIN = VEN = 3.6V, TA = +25°C, unless otherwise noted.

Parameter

Symbol Condition

Min

Typ

Max

Units

MP2104DJ-1.5

IOUT = 50mA

–40°C ≤ TA ≤ +85°C

1.455

1.500

1.545

Regulated Output Voltage

MP2104DJ-1.8

IOUT = 50mA

–40°C ≤ TA ≤ +85°C

1.746

1.800

1.854

PFET On Resistance

ISW = 100mA

0.44

Ω

NFET On Resistance

ISW = –100mA

0.29

Ω

SW Leakage Current

VEN = 0V, VIN = 6V

VSW = 0V or 6V

–1

µA

PFET Current Limit

Duty Cycle = 100%,

Current Pulse Width < 1ms

0.7

1.0

1.35

Oscillator Frequency

1.26

1.70

2.08

MHz

Thermal Shutdown Trip

Threshold

145

°C

EN Trip Threshold

–40°C ≤ TA ≤ +85°C

0.3

0.96

1.5

EN Input Current

VEN = 0V to 6V

–1

µA

Notes:

5) 100% production test at +25°C. Typical and temperature specifications are guaranteed by design and characterization.

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