NCL30083BDMR2G ON Semiconductor, NCL30083BDMR2G Datasheet - Page 28

• 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

Brown−out
voltage, the NCL30083 features a brown−out circuit with a
fixed ON/OFF threshold. The controller is allowed to start
if a voltage higher than 1 V is applied to the VIN pin and
In order to protect the supply against a very low input
Vbulk
VIN
Bulk rail
1 V if BONOK high
0.9 V if BONOK low
+
−
VIN
Figure 67. Line Feed−Forward Schematic
Offset_OK
Q_drv
Figure 68. Brown−out Circuit
http://onsemi.com
V
I
CS(offset)
DD
50−ms blanking time
28
shuts−down if the VIN pin voltage decreases and stays
below 0.9 V for 50 ms nominal. Exiting a brown−out
condition overrides the hiccup on V
to reach V
mode (I
CC
CC(off)
= I
CS
CC(start)
) and the IC immediately goes into startup
).
R
LFF
R
sense
CC
(V
BO_NOK
CC
does not wait