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MP4021A Datasheet PDF : 21 Pages
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MP4021A—PRIMARY SIDE CONTROL OFFLINE LED CONTROLLER WITH ACTIVE PFC
ELECTRICAL CHARACTERISTICS
VCC = 14V, TA = +25°C, unless otherwise noted.
Parameter
Symbol Condition
Supply Voltage
Operating Range
Turn-on Threshold
Turn-off Threshold
Hysteretic Voltage
Supply Current
Start-up Current
Quiescent Current
Operating Current
Multiplier
Operation Range
Gain
VCC
VCC_ON
VCC_OFF
VCC_HYS
After turn on
VCC rising edge
VCC falling edge
ISTARTUP
IQ
ICC
VCC=11V
No switching
Fs =70kHz
VMULT
K(5)
Error Amplifier
Feedback Voltage
Transconductance (6)
Upper Clamp Voltage
Lower Clamp Voltage
Max Source Current (6)
Max Sink Current (6)
Current Sense Comparator
VFB
GEA
VCOMP_H
VCOMP_L
ICOMP
ICOMP
Leading Edge Blanking Time
Current Sense Clamp Voltage
Zero Current Detector
tLEB
VCS_CLAMP
Zero Current Detect threshold
Zero Current Detect Hysteresis
ZCD Blanking Time
Over-voltage Blanking Time
Over-voltage Threshold
Over-current Blanking Time
Over-current Threshold
VZCD_T
VZCD_HYS
tLEB_ZCD
tLEB_OVP
VZCD_OVP
tLEB_OCP
VZCD_OCP
VZCD falling edge
After turn-off
After turn-off
1.5μs delay after turn-off
After turn-on,
same as tLEB
280ns delay after turn-on
Minimum Off Time
Starter
tOFF_MIN
Start Timer Period
tSTART
Min
10.3
12.6
8.4
0
0.403
5.3
1.3
2.3
1.8
5.1
0.57
2
Typ
13.6
9.0
4.5
20
0.75
2
1
0.414
222
5.65
1.5
75
-400
280
2.5
0.31
650
2.5
1.5
5.4
280
0.60
3.5
130
Max
23
14.6
9.6
30
1
3
3
0.425
6
1.7
2.7
3.2
5.7
0.63
5
Units
V
V
V
V
µA
mA
mA
V
1/V
V
µA/V
V
V
µA
µA
ns
V
V
mV
μs
μs
V
ns
V
µs
µs
MP4021A Rev.1.04
www.MonolithicPower.com
3
7/5/2013
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2013 MPS. All Rights Reserved.
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