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NCP1231 Datasheet(PDF) 6 Page - ON Semiconductor

Part No. NCP1231
Description  Low−Standby Power High Performance PWM Controller
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Manufacturer  ONSEMI [ON Semiconductor]
Direct Link  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

NCP1231 Datasheet(HTML) 6 Page - ON Semiconductor

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NCP1231
http://onsemi.com
6
ELECTRICAL CHARACTERISTICS (For typical values TJ = 25°C, for min/max values TJ = −40°C to +125°C, Max TJ = 150°C,
VCC = 13 V, unless otherwise noted.)
Rating
Unit
Max
Typ
Min
Pin
Symbol
Internal Ramp Compensation (VCC = 13 V)
Internal Resistor (Note 3)
Rup
3
9.0
18
36
kW
Internal Sawtooth Amplitude (Note 4)
3
2.3
Vpp
Protection (VCC = 13 V)
Timeout before Validating Short−Circuit or PFC VCC with an 82 nF cap. to Pin 7
(Note 4)
Tdelay
110
ms
Latch−Off Level
Vlatch
8
3.7
4.2
4.5
V
Propagation Delay from Latch Detected to Gate Turned Off (Pin 5 Loaded by 1.0 nF)
TDEL LATCH
100
ns
Brown−Out Level High
VBOhigh
8
0.40
0.50
0.55
V
Brown−Out Level Low
VBOlow
8
0.180
0.230
0.285
V
Temperature Shutdown, Maximum Value (Note 4)
TSD
160
°C
Hysteresis while in Temperature Shutdown (Note 4)
TSD hyste
30
°C
3. Guaranteed by Design.
4. Verified by Design.


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