MA2003BA datasheet(3/7 Pages) MPOWER

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MA2003

Major Power Technology Co., Ltd.

Rev.1.0

Oct.11, 2014



ABSOLUTE MAXIMUM RATINGS (at TA=25°C)

Characteristics

Symbol

Rating

Unit

VCC pin voltage

VIN

-0.3 to 6.5

SW pin voltage

VSW

-0.3 to 30

EN, FB pins voltage

-0.3 to VIN+0.3

Continuous Power Dissipation

( TJ-TA) / θJA

Operating Junction Temperature

Top

-40 to 125

°C

Storage Temperature Range

-65 to 150

°C

Thermal Resistance from Junction to case

θJC

110

°C/W

Thermal Resistance from Junction to ambient

θJA

250

°C/W

Note: θJA is measured with the PCB copper are (need connect to GND of the MA2003) of approximately 1 in2(Multi-layer).



ELECTRICAL CHARACTERISTICS

(VIN = 5V, VEN = 5V, IOUT = 20mA, TA = 25°C)

Characteristics

Symbol

Conditions

Min Typ Max Units

Input Voltage Range

VIN

2.5

5.5

Input UVLO

UVLO Rising

2.25 2.45

UVLO Hysteresis

0.2

Step-Up Voltage Adjust Range VOUT

Quiescent Current

ICCQ IOUT= 0mA, VFB =1.5V

150 250 μA

Shutdown Current

ISD

VEN = 0V

μA

FB Pin Voltage

VFB

1.213 1.238 1.263 V

FB Pin Current

IFB

VFB = 1.3V

±100 nA

Line Regulation

VIN = 2.5 to 5.5V

IOUT = 20mA

0.2

Load Regulation

VIN = 5V

IOUT = 1mA to 400mA

0.2

Switching frequency

FOSC

900 1200 1500 KHz

Maximum Duty

DMAX

N-channel MOSFET

current limit

ILIM Duty=50%

1.6

MOSFET on-resistance

(Note 1)

RDS(on)

VCC=3V, ISW=1A

600

mΩ

VCC=5V, ISW=1A

500

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