NCL30083BDMR2G ON Semiconductor, NCL30083BDMR2G Datasheet - Page 18

• Manufacturer Part Number: NCL30083BDMR2G
• Description: LED Lighting Drivers Step-Dimm Quasi-Res I-Mode Cntlr
• Manufacturer: ON Semiconductor

Specifications of NCL30083BDMR2G

• Rohs: yes
• Input Voltage: 18 V
• Operating Frequency: 65 kHz
• Maximum Supply Current: 1.2 mA
• Maximum Operating Temperature: + 125 C
• Mounting Style: SMD/SMT
• Package / Case: Micro-8
• Minimum Operating Temperature: - 40 C

Internal Soft−Start
internal soft−start of 40 ms.
volts, the demagnetization time is long and the constant
At startup or after recovering from a fault, there is a small
In addition, during startup, as the output voltage is zero
Figure 54. Flyback Currents and Auxiliary Winding Voltage in DCM
I
pri
(t)
t
on
V
aux
(t)
http://onsemi.com
I
L,pk
t
1
18
current control block will slowly increase the peak current
towards its nominal value as the output voltage grows.
Figure 55 shows a soft−start simulation example for a 9 W
LED power supply.
I
sec
t
demag
(t)
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sp
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t
D,pk
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time
time