NCP1631 View Datasheet(PDF) - ON Semiconductor
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NCP1631 Datasheet PDF : 23 Pages
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NCP1631
Table 2. TYPICAL ELECTRICAL CHARACTERISTICS TABLE
(Conditions: VCC = 15 V, Vpin7 = 2 V, Vpin10 = 0 V, TJ from −25°C to +125°C, unless otherwise specified)
Characteristics
Test Conditions
Symbol
Min
ZERO VOLTAGE DETECTION CIRCUIT (valid for ZCD1 and ZCD2)
Internal Input Capacitance (Note 5)
ZCD Watchdog Delay
BROWN−OUT DETECTION
CZCD
−
tZCD
80
Brown−Out Comparator Threshold
Brown−Out Current Source
Brown−Out Blanking Time (Note 5)
Brown−Out Monitoring Window (Note 5)
Pin 7 clamped voltage if VBO < VBO(TH)
during tBO(BLANK)
Current Capability of the BO Clamp
Hysteresis VBO(TH) – VBO(clamp)
Current Capability of the BO pin Clamp
PNP Transistor
Ipin7 = −100 mA
Ipin7 = − 100 mA
VBO(TH)
IBO
tBO(BLANK)
tBO(window)
VBO(clamp)
IBO(clamp)
VBO(HYS)
IBO(PNP)
0.97
6
38
38
−
100
10
100
Pin BO voltage when clamped by the PNP
OVER AND UNDER VOLTAGE PROTECTIONS
Ipin7 = − 100 mA
VBO(PNP)
0.35
Over−Voltage Protection Threshold
Ratio (VOVP / VREF) (Note 5)
Ratio UVP Threshold over VREF
Pin 8 Bias Current
LATCH INPUT
Vpin8 = 2.5 V
Vpin8 = 0.3 V
VOVP
VOVP/VREF
VUVP/VREF
IOVP(bias)
2.425
99.2
8
−500
Pin Latch Threshold for Shutdown
Pin Latch Bias Current
pfcOK / REF5V
Vpin10 = 2.3 V
VLatch
ILatch(bias)
2.375
−500
Pin 15 Voltage Low State
Pin 15 Voltage High State
Current Capability
THERMAL SHUTDOWN
Vpin7 = 0 V, Ipin15 = 250 mA
Vpin7 = 0 V, Ipin15 = 5 mA
VREF5V(low)
−
VREF5V(high)
4.7
IREF5V
5
Thermal Shutdown Threshold
Thermal Shutdown Hysteresis
4. DRV1 and DRV2 pulsating at half this frequency, that is, 65 kHz.
5. Not tested. Guaranteed by design and characterization.
TSHDN
130
TSHDN(HYS)
−
Typ
10
200
1.00
7
50
50
965
−
35
−
0.70
2.500
99.7
12
−
2.500
−
60
5.0
10
140
50
Max
−
320
1.03
8
62
62
−
−
60
−
0.90
2.575
100.2
16
500
2.625
500
120
5.3
−
150
−
Unit
pF
ms
V
mA
ms
ms
mV
mA
mV
mA
V
V
%
%
nA
V
nA
mV
V
mA
°C
°C
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