ncp1927 ON Semiconductor, ncp1927 Datasheet - Page 9

• Manufacturer Part Number: ncp1927
• Description: Combination Power Factor Correction Controller And Flyback Controller For Flat Panel Tvs
• Manufacturer: ON Semiconductor

ELECTRICAL CHARACTERISTICS
1 V, V
values T
PFC FAULT PROTECTION
INVERTER ENABLE/REFERENCE
THERMAL PROTECTION
SHUTDOWN PIN
3. Guaranteed by design
UVP Pull Down Current Source
Ratio Between V
Disable Threshold
Disable Filter Delay
Voltage Reference
Reference Pin Decoupling Capacitor
Thermal Shutdown
Thermal Shutdown Delay
Shutdown Threshold
Shutdown Filter Delay
Pull Up Current Source
PSKIP
J
= 25°C, for min/max values, T
Characteristics
= 0 V, V
OVP
FFB
and V
= 2.4 V, V
REF
(Note 3)
FCS
= 0 V, V
J
is − 25°C to 125°C, unless otherwise noted)
(V
CC
Shutdown
= 12 V, V
I
IENABLE(SNK)
I
I
V
V
IENABLE(SRC)
IENABLE(SRC)
Shutdown
Shutdown
Test Condition
= 0 V, V
PFB
http://onsemi.com
= 2.4 V, V
Increasing
Increasing
IENABLE
= 250 mA
= 8 mA
= 1 mA
9
POVUV
= open, C
= 2.3 V, V
PCT
V
V
= 1 nF, C
V
t
t
delay(TSHDN)
t
V
delay(disable)
IENABLE(high)
IENABLE(high)
IENABLE(low)
delay(SHDN)
PControl
I
OVP
Symbol
T
V
Shutdown
V
C
TSHDN
I
disable
SHDN
UVP
REF
/V
REF
PDRV
= 4 V, V
= 1 nF, C
PZCD
1.809
99.5
0.90
Min
0.7
4.5
4.7
2.3
−
−
0
−
−
−
= 0 V, V
FDRV
100.0
1.865
1.00
Typ
150
1.0
5.0
5.0
3.3
30
60
30
30
= 1 nF, for typical
−
PCS
= 0 V, V
100.5
1.921
Max
1.10
120
1.3
5.4
5.4
4.3
−
1
−
−
−
GTS
Unit
mV
mA
mF
mA
ms
°C
ms
ms
%
V
V
V
V
=