NCP1650DR2 ON Semiconductor, NCP1650DR2 Datasheet - Page 12

• Manufacturer Part Number: NCP1650DR2
• Description: IC CTRLR PWR FACTOR PWM 16SOIC
• Manufacturer: ON Semiconductor

Specifications of NCP1650DR2

• Mode: Continuous Conduction (CCM), Discontinuous Conduction (DCM)
• Frequency - Switching: 100kHz
• Voltage - Supply: 10 V ~ 20 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 16-SOIC (3.9mm Width)
• Switching Frequency: 25 KHz to 250 KHz
• Maximum Operating Temperature: + 125 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Current - Startup: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: NCP1650DR2OSTR

(This circuit will not override the shutdown until the
Figure 26. Shutdown Override Circuit
NCP1650
Figure 28. External Shutdown Circuit
chip has achieved it’s initial enable state)
NCP1650
RESISTOR--DIODE NETWORK
FB/SD
6
FB/SD
6
V
2
ref
V
out
R
R
1
2
2N3904
R
R
2
2
0 V -- Normal Operation
5 V -- Shutdown
V
out
R
R
20 k
4.7 k
1
2
http://onsemi.com
BAS16LT1
12
0.33 mF
Figure 27. Shutdown Override Circuit
NCP1650
33 k
Figure 29. Soft- -Start Circuit
MMBT2907AL
AC COMP
FB/SD
6
V
2
ref
ZENER DIODE
4.7 V
R
C
V
3
3
ref
2
3
V
NCP1650
out
R
R
1
2