8 Absolute Maximum Rating
Parameter
Rating
Unit
VIN to GND
-0.5 to +525
7
V
V
VDD to GND
CS, LD, PWM, GATE, RT to GND
Junction Temperature
Storage temperature
-0.3 to (VDD + 0.3)
-40 to +125
-55 to +155
V
°C
°C
Note: Exposure to conditions beyond those listed under Absolute Maximum Ratings may adversely affect the life and reliability of the device.
9 Electrical Characteristics
All typical numbers are at Ta=25°C and VIN=12V, unless otherwise noted.
Parameter
Sym.
Conditions
DC input voltage
Min.
Typ.
Max.
Unit
Input DC supply voltage range VINDC
7.0
-
500
V
Shut down mode supply
current
IINSD
IOP
PWM=0, VIN=7.5V
-
-
0.5
0.8
0.7
1.2
mA
mA
Operating Current
VIN > 7.5V, ROSC=226K and
C
GATE=500P
Internal Regulator
Internally regulated Voltage
VDD
VIN =7.5V ~ 200V,
OSC=226K, CGATE = 500pF,
R
5.0
5.6
6.0
V
No load in pin VDD
When an external voltage
applied to pin VDD
VDD = 5.6V
Maximal pin VDD voltage
VDDMAX
-
-
-
-
7.0
V
mA
V
Output current of the regulator ISOURCE
0.7
5.30
-
-
VDD under-voltage lockout
threshold
VUVLO
VIN rising
VDD under-voltage lockout
hysteresis
ΔUVLO
VIN falling
100
300
500
mV
PWM Dimming
Pin PWM input high voltage
Pin PWM input low voltage
VPWM (H)
VPWM (L)
VIN =7.5V ~ 500V
VIN =7.5V ~ 500V
VDD =5.5V
2.0
-
-
-
V
V
-
100
-
0.8
150
100
Pin PWM pull-down resistance RPWM
50
0
KΩ
%
PWM signal duty
DPWM
Current Sense Input
Current sense pull-in threshold VCSTH
voltage
Ta= 0°C to +125°C,
VDD = 5.6V
255
275
285
mV
Ta= -40°C,
200
-20
0
-
-
-
-
mV
mV
mV
VDD = 5.6V
Offset voltage of comparator
Linear dimming pin voltage
range
VOS
VLD
20
VCSTH
MEGAWIN
MG39U301 Data Sheet
9
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