MP150 – OFFLINE PRIMARY-SIDE REGULATOR
MP150 Rev. 1.15 www.MonolithicPower.com 3
9/25/2018 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2018 MPS. All Rights Reserved.
ELECTRICAL CHARACTERISTICS
V
CC
= 5.8V, T
A
= 25°C, unless otherwise noted.
Parameter Symbol Condition Min Typ Max Units
Start-up Current Source (Drain Pin)
Internal regulator supply current I
regulator
VCC=4V;V
Drain
=100V 2.5 3.5 4.5 mA
Drain pin leakage current I
Leak
VCC=5.8V;V
Darin
=400V 10 12 A
Breakdown voltage V
(BR)DSS
500 V
Supply Voltage Management (VCC Pin)
VCC level (increasing) where the
internal regulator stops
VCC
OFF
5.4 5.6 5.8 V
VCC level (decreasing) where the
internal regulator turns on
VCC
ON
5.1 5.3 5.6 V
VCC regulator on and off hysteresis 250 mV
VCC level (decreasing) where the IC
stops working
VCC
stop
3.4 V
VCC level (decreasing) where the
protection phase ends
VCC
pro
2.4 V
Internal IC consumption I
CC
VCC=5.8V, f
s
=37kHz,
D= 40%
430 A
Internal IC consumption (no
switching)
I
CC
300 A
Internal IC Consumption, Latch off
Phase
I
CCLATCH
VCC=5.3V
16 A
Internal MOSFET (Drain Pin)
Breakdown voltage V
BRDSS
500 V
ON resistance R
on
30
Internal Current Sense
Peak current limit I
Limit
260 290 345 mA
Leading-edge blanking
τ
LEB1
350 ns
SCP point I
SCP
450 mA
Leading-edge blanking for SCP
τ
LEB2
180 ns
Feedback input (FB Pin)
Minimum off time
τ
minoff
15 18 21 s
Primary MOSFET feedback turn-on
threshold
V
FB
2.45 2.55 2.65 V
OLP feedback trigger threshold V
FB_OLP
1.7 V
OLP delay time
τ
OLP
f
s
=37kHz 170 ms
Open-loop detection V
OLD
60 mV
Thermal Shutdown
Thermal shutdown threshold
150 ºC