MPQ18913

– 30V, 0.3A High Frequency Transformer Driver

PRELIMINARY SPECIFICATIONS SUBJECT TO CHANGE

MPQ18913 Rev. 0.8

MonolithicPower.com

4

12/8/2021

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

Preliminary Specifications Subject to Change

© 2021 MPS. All Rights Reserved.

ELECTRICAL CHARACTERISTICS

VIN = 24V, TJ = -40°C to 150°C, typical values are at TJ = +25°C, unless otherwise noted.

Parameter

Symbol

Condition

Min

Typ

Max

Units

Power Supply Transformer Driver

VCC Regulator

VCC

ICC=0-20mA, VEN=1.5V

4.55

4.7

4.85

V

Vcc UVLO Thresholds

VCCUV_R

VCC rising

4.1

4.25

4.4

V

VCCUV_F

VCC falling

3.95

4.1

4.25

V

VCCUV_HYS

Hysteresis

150

mV

Vin UVLO Thresholds

VINUV_R

VIN rising

4.35

4.65

4.9

V

VINUV_F

VIN falling

4

4.25

4.5

V

VINUV_HYS

Hysteresis

400

mV

Shut Down Current

ISD

VEN=0V

4

12

µA

Supply Current

IQ

VEN=1.5V, Fsw=1MHz set by

Resistor, SW floating

9.5

mA

Input Over Voltage

Protection Threshold

VOVP_T

Rising

31

33

35

V

VOVP_F

Falling

28.5

30.5

32.5

V

Input OVP Hysteresis

VOVP_H

2.5

V

EN Turn on Threshold

VEN_ON

VEN rising

1.0

1.1

1.2

V

EN Turn off Threshold

VEN-OFF

EN falling

0.8

0.9

1.0

V

EN Hysteresis

VEN-HYS

0.2

V

EN Pull Down

REN

2

M

Ω

EN/SYNC Turn Off

Blanking(6)

tEN_SD_BLK

EN OFF to stop switching

6

µs

SYNC Input High

Threshold

VSYNC_HI

rising

1.7

V

SYNC Input Low

Threshold

VSYNC_LO

falling

0.9

V

SYNC Input Hysteresis

VSYNC_HYS

0.8

V

HS FET Ron

RON_HS

IDS=0.1A

180

mΩ

LS FET Ron

RON_LS

IDS=0.1A

180

mΩ

Switch Leakage

SWLKG

VEN=0, VSW=24V, TJ=25°C

1

µA

VEN=0, VSW=24V, TJ=-40°C to

150°C

6

µA

Average SW

capacitance

CSW

VEN=0, Charge SW from 0 to

24V

100

125

150

pF

FLT Output Low

Threshold

VOL

0.2

0.3

V