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MT7603 Datasheet(PDF) 3 Page - Maxic Technology Corporation

Part # MT7603
Description  Linear Constant – Current LED Driver
PDF  6 Pages
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Manufacturer  MAXIC [Maxic Technology Corporation]
Direct Link  http://www.maxictech.com/
Logo MAXIC - Maxic Technology Corporation

MT7603 Datasheet(HTML) 3 Page - Maxic Technology Corporation

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MT7603
Maximizing IC Performance
Linear Constant – Current LED Driver
Rev. 1.00
Page 3
ELECTRICAL CHARACTERISTICS
(Test conditions: VDD=15V, TA=25°C unless otherwise stated)
Symbol
Parameter
Min
Typ
Max
Unit
Start-up and power supply voltage (VDD Pin)
VSTART
Start-up voltage
VDD voltage ramp up
12
V
UVLO
Under voltage lockout
threshold voltage
VDD voltage ramp down
9
V
VCLAMP
VDD clamp voltage
15
V
Supply current
ISTART
Start-up current
100
uA
IVDD
Operating current
200
uA
Current sense (CS Pin)
VREF
Peak current detection
threshold
500
mV
Over Temperature Protection
Tfold
Over temperature protection
140
℃
Islope
Slope
of
output
current
decreasion
4
%/℃
MT7603 TYPICAL APPLICATION (220VAC)
Input Power
PF
LED Output Voltage
（V）
Average Output Current
（mA）
Typical Efficiency
18W
0.9
250V
60mA
84%
BLOCK DIAGRAM
VDD
clamp
Internal VDD
Bias generation
Control
logic
OTP
UVLO
Driver
CC loop
VDD
GND
GATE
CS
VLINE
For buy, please contact: info@chimicron.com
Skype:info@chimicron.com
www.chimicron.com
For buy, please contact: info@chimicron.com
Skype:info@chimicron.com
www.chimicron.com



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