MA5603 datasheet(4/9 Pages) MPOWER

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MA5603

Major Power Technology Co., Ltd.

Rev.1.4

Aug 24, 2016



ELECTRICAL CHARACTERISTICS

(VIN = 12V, TA = +25°C, unless otherwise noted.)

Characteristics

Symbol

Conditions

Min

Typ Max Units

Input Voltage Range

Shutdown Supply Current

ISD

VEN = 0V

0.7

1.3

Quiescent Current

ICCQ

VEN =5V;

VFB = 0.21V

0.7

1.5

Feedback Voltage

VFB

≤ VIN ≤ 38V

0.210 0.220 0.230

High-Side Switch On Resistance

(Note)

RDS(ON)1

150

Ω

Low-Side Switch On Resistance

(Note)

RDS(ON)2

140

Ω

High-Side Switch Leakage Current

VEN = 0V, VSW = 0V

μA

Upper Switch Current Limit

Minimum Duty Cycle

2.8

3.5

Lower Switch Current Limit

From Drain to Source

0.7

Oscillation Frequency

FOSC1

250

KHz

Short Circuit Oscillation Frequency

FOSC2

VFB =< 0.11V

KHz

Maximum Duty Cycle

DMAX

Minimum On Time (Note)

TON(min)

220

EN Lockout Threshold Voltage

ENH(LOCK)

2.5

EN Lockout Hysterisis

210

Input Under Voltage Lockout

Threshold

UVLO

VIN Rising

6.5

7.0

7.5

Input Under Voltage Lockout

Threshold Hysteresis

UVLO-Hys

800

Input Over Voltage Lockout Threshold

OVLO

VIN Rising

Input Over Voltage Lockout Threshold

Hysteresis

OVLO-Hys

Soft-Start Period

Thermal Shutdown

TSD

150

°C

Thermal Shutdown Hysterisis

TSH

°C

Note: Guaranteed by design.

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