NCP1072, NCP1075
PIN CONNECTIONS
VCC 1
8 GND
VCC
1
2
7 GND
FB 2
4 GND
GND 3
FB 4
(Top View)
PDIP−7
6 DRAIN
DRAIN
3
(Top View)
SOT−223
Figure 1. Pin Connections
INDICATIVE MAXIMUM OUTPUT POWER
RDS(on) − IP
11 W − 450 mA DSS
230 Vac
14 W
100 – 250 Vac
7W
11 W − 450 mA Auxiliary Winding
19 W
10 W
NOTE: Informative values only, with Tamb = 50°C, Fsw = 65 kHz, circuit mounted on minimum copper area as recommended.
QUICK SELECTION TABLE
RDS(on) (W)
Ipeak (mA)
Freq (kHz)
65
Package
NOTE: NCP1072 130 kHz on demand only.
NCP1072
11
250
100
130
PDIP / SOT223
NCP1075
11
450
65
100
130
PDIP / SOT223
Figure 2. Typical Application Example
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