NCP1654BP65G ON Semiconductor, NCP1654BP65G Datasheet - Page 21

• Manufacturer Part Number: NCP1654BP65G
• Description: IC PFC CCM STEP UP 8-PDIP
• Manufacturer: ON Semiconductor

Specifications of NCP1654BP65G

• Mode: Continuous Conduction (CCM)
• Frequency - Switching: 65kHz
• Current - Startup: 75µA
• Voltage - Supply: 10.5 V ~ 20 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Through Hole
• Package / Case: 8-DIP (0.300", 7.62mm)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: NCP1654BP65GOS

V
to prevent the circuit from operating when Vcc is too low
in order to ensure a proper operation. An UVLO
comparator monitors V
to operate when V
Thermal Shutdown
drive and then keeps the power switch off when the junction
temperature exceeds 150°C. The output stage is then
cc
The device incorporates an Undervoltage Lockout block
An internal thermal circuitry disables the circuit gate
Undervoltage LockOut (UVLO)
cc
cc
State
exceeds 10.5 V typically. The
pin voltage to allow the NCP1654
I
CC
<75 mA
OFF
Figure 47. V
V
cc
CC(OFF)
http://onsemi.com
Undervoltage LockOut (UVLO)
21
6 mA
ON
comparator incorporates some hysteresis (1.5 V) to prevent
erratic operation as the V
goes below the UVLO comparator lower threshold (9 V
typically), the circuit turns off. It is illustrated in Figure 47.
After startup, the operating range is between 9 V and 20 V.
enabled once the temperature drops below typically 120°C
(i.e., 30°C hysteresis). The thermal shutdown is provided
to prevent possible device failures that could result from an
accidental overheating.
V
CC(ON)
cc
crosses the threshold. When V
V
V
CC
CC
cc