MP103 datasheet(4/20 Pages) MPS

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MP103 EASYPOWERTM –HIGHER POWER OFFLINE INDUCTOR- LESS REGULATOR

MP103 Rev. 1.01

www.MonolithicPower.com

1/23/2014

MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.

ELECTRICAL CHARACTERISTICS (5) (continued)

TA = -40°C to +125°C, CFB=100pF, COUT=2.2μF, CVB=4.7μF, unless otherwise noted.

Parameter

Symbol

Condition

Min

Typ

Max

Units

Dropout Voltage

(9)

VDROP

VB=20V,IOUT=40mA

0.55

Ground Pin Current

VB=20V,IOUT=40mA

1.31

PSRR

(10)

PSRR

10~60kHz,CIN=1μF,COUT=4.7μF

<60

FB Section

Reference Voltage

VFBREF

1.204

1.235

1.266

RT Section

Output Current of

RT Pin

IRT

RI=100kΩ

(11)

μA

RT Low Threshold Voltage

VRTTHL

0.75

0.85

Threshold

Voltage

Hysteresis

VRTTH_HYS

RT Pin Open Voltage

VRTOPEN

5.3

5.8

6.3

Thermal Shutdown

Thermal

Shutdown

Threshold

TSD

160

ºC

Thermal Shutdown

Threshold Hysteresis

TSD_HYS

ºC

Notes:

5) Took the linear region (Current) measure Time1 at 20% and Time2 at 80% to calculate the base current rise and fall rate.

6) Evaluate on EVB.

7) Line Regulation = (VOUT @ VB=30V, 100uA load - VOUT @ VB=13V, 100uA load) / 12V * 100.

8) Load Regulation = (VOUT @ VB=30V, 40mA load - VOUT @ VB=30V,100uA load) / 12V * 100.

9) The dropout voltage is defined as VB -VOUT.

10) Guarantee by design.

11) Or force 5V and 0.5V on RT, then measure RT current.

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