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MP4027 – PRIMARY-SIDE CONTROL, OFFLINE LED CONTROLLER WITH ACTIVE PFC
MP4027 Rev. 1.02 www.MonolithicPower.com 4
12/9/2014 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2014 MPS. All Rights Reserved.
ELECTRICAL CHARACTERISTICS
Typical values are at VCC = 20V, T
J
= +25°C, unless otherwise noted.
Minimum and maximum values are at VCC = 20V, T
J
= -40°C to +125°C, unless otherwise noted,
guaranteed by characterization.
Parameter Symbol Condition Min Typ Max Units
Supply Voltage
Operating Range VCC After turn on 12 28 V
Turn-On Threshold VCC
ON
VCC rising edge 23.0 25.5 28.0 V
Turn-Off Threshold VCC
OFF
VCC falling edge 8.4 9.5 11.0 V
Hysteretic Voltage VCC
HYS
14.2 15.7 17.3 V
Supply Current
Start-Up Current I
STARTUP
VCC= VCC
ON
-1V 20 50 µA
Quiescent Current I
Q
No switching 0.6 0.82 mA
Operating Current Under Fault
Condition
No switching 2 mA
Operating Current I
CC
f
s
=70kHz, C
GATE
=1nF 2 3 mA
Multiplier
Linear Operation Range V
MULT
0 3 V
Gain K
(5)
1.3 1/V
Brown-Out Protection Threshold 280 298 316 mV
Brown-Out Detection Time 25 42 60 ms
Brown-Out Protection Hysteretic
Voltage
90 100 110 mV
NTC
High-Threshold Voltage V
H_NTC
1.17 1.23 1.29 V
Low-Threshold Voltage V
L_NTC
0.67 0.77 0.87 V
Shutdown Threshold V
SD_NTC
0.355 0.39 0.425 V
Shutdown-Voltage Hysteretic
85 100 115 mV
Pull-Up Current Source I
PULL_UP
44 54 64 μA
Leakage Current I
LEAKAGE
1 μA
Error Amplifier
Reference Voltage V
REF
0.401 0.413 0.425 V
Transconductance
(6)
G
EA
125 µA/V
Upper Clamp Voltage V
COMP_H
4.5 4.75 5.1 V
Lower Clamp Voltage V
COMP_L
1.42 1.5 1.58 V
Max. Source Current
(6)
I
COMP_SOURCE
50 µA
Max. Sink Current
(6)
I
COMP_SINK
-200 µA