On Semiconductor NCL30160 Evaluation Board NCL30160GEVB NCL30160GEVB データシート
製品コード
NCL30160GEVB
NCL30160
http://onsemi.com
5
Figure 2. Simplified Block Diagram
S
R
Q
Q
Timer (t
off
)
&
Thermal
Shutdown
5 V Regulator
(6.3 V to 40 V
max
)
Peak Current
Comparator
Valley Current
Comparator
220 mV
180 mV
Gate Driver
LX
CS
VIN
VCC
ROT
500 mV
Short Circuit Protection
Comparator
DIM / Enable
V
CC
GND
Enable Pull−Up
Resistor
TYPICAL APPLICATION CIRCUITS AND WAVEFORMS
(T
J
= 25°C, Unless Otherwise Specified)
Figure 3. Typical Application Circuit To Drive One LED (Buck)
PWM
D1
NCL30160
R
OT
CIN
VIN
VIN
VCC
CS
LX
LED
L1
C
VCC
R
SENSE
GND
ROT
DIM/Enable