NCL30082ADMR2G ON Semiconductor, NCL30082ADMR2G Datasheet - Page 20

• Manufacturer Part Number: NCL30082ADMR2G
• Description: LED Lighting Drivers Dimmable Quasi-Res I-Mode Cntlr
• Manufacturer: ON Semiconductor

Specifications of NCL30082ADMR2G

• 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

not allowed to start pulsing for at least 180 ms in order to
allow the SD pin voltage to reach its nominal value if a
conduct and inject current into the internal clamp resistor
R
VCC
clamp
At startup, when V
In the case of excess voltage, the Zener diode starts to
NTC
Dz
thus causing the pin SD voltage to increase. When
SD
Vdd
I
OTP(REF)
Rclamp
Vclamp
CC
reaches V
V
V
OVP
OTP
Figure 51. Thermal Fold−back and OVP/OTP Circuitry
CC(on)
OTP_Timer end
0.5 V if OTP low
0.7 V if OTP high
−
−
+
+
, the controller is
http://onsemi.com
V
TF
20
noise delay
noise delay
filtering capacitor is connected to the SD pin. This is to avoid
flickering of the LED light in case of over temperature.
this voltage reaches the OVP threshold (2.5 V typ.), the
controller shuts−down and waits for at least 4 seconds before
restarting switching.
OTP
OVP
4−s Timer
VCCreset
(OTP latched for version A)
R
R
S
S
Q
Q
Q
Q
Latch
OFF