On Semiconductor NCL30082 Evaluation Board NCL30082FLYGEVB NCL30082FLYGEVB データシート
製品コード
NCL30082FLYGEVB
NCL30082
http://onsemi.com
6
(Unless otherwise noted: For typical values T
J
= 25°C, V
CC
= 12 V;
For min/max values T
J
= −40°C to +125°C, Max T
J
= 150°C, V
CC
= 12 V)
Description
Unit
Max
Typ
Min
Symbol
Test Condition
ZERO VOLTAGE DETECTION CIRCUIT
ZCD threshold voltage
V
ZCD
increasing
V
ZCD(THI)
25
45
65
mV
V
ZCD
decreasing
V
ZCD(THD)
5
25
45
mV
V
ZCD
increasing
V
ZCD(HYS)
10
–
–
mV
Threshold voltage for output short circuit or aux. winding
short circuit detection
V
ZCD(short)
0.8
1
1.2
V
Short circuit detection Timer
V
ZCD
< V
ZCD(short)
t
OVLD
70
90
110
ms
Auto−recovery timer duration
t
recovery
3
4
5
s
Input clamp voltage
High state
Low state
I
pin1
= 3.0 mA
I
pin1
= −2.0 mA
V
CH
V
CL
–
−0.9
9.5
−0.6
–
−0.3
V
Propagation Delay from valley detection to DRV high
V
ZCD
decreasing
t
DEM
–
–
150
ns
t
PAR
–
20
–
ns
Blanking delay after on−time
t
BLANK
2.25
3
3.75
ms
Timeout after last demag transition
t
TIMO
5
6.5
8
ms
CONSTANT CURRENT CONTROL
Reference Voltage at T
j
= 25°C
V
REF
245
250
255
mV
Reference Voltage T
j
= −40°C to 125°C
V
REF
242.5
250
257.5
mV
50% reference voltage (for thermal foldback)
V
REF50
–
125
–
mV
Current sense lower threshold for detection of the
leakage inductance reset time
V
CS(low)
30
55
80
mV
LINE FEED−FORWARD
V
VIN
to I
CS(offset)
conversion ratio
K
LFF
15
17
19
mA/V
Offset current maximum value
V
pinVIN
= 4.5 V
I
offset(MAX)
67.5
76.5
85.5
mA
V
REF
value below which the offset current source is turned off
V
REF
decreases
V
REF(off)
–
37.5
–
mV
V
REF
value above which the offset current source is turned on
V
REF
increases
V
REF(on)
–
50
–
mV
VALLEY SELECTION
Threshold for line range detection V
in
increasing
(1
st
to 2
nd
valley transition for V
REF
> 0.75 V)
V
VIN
increases
V
HL
2.28
2.4
2.52
V
Threshold for line range detection V
in
decreasing
(2
nd
to 1
st
valley transition for V
REF
> 0.75 V)
V
VIN
decreases
V
LL
2.18
2.3
2.42
V
Blanking time for line range detection
t
HL(blank)
15
25
35
ms
Valley thresholds
1
st
to 2
nd
valley transition at LL and 2
nd
to 3
rd
valley HL
2
nd
to 1
st
valley transition at LL and 3
rd
to 2
nd
valley HL
2
nd
to 4
th
valley transition at LL and 3
rd
to 5
th
valley HL
4
th
to 2
nd
valley transition at LL and 5
th
to 3
rd
valley HL
4
th
to 7
th
valley transition at LL and 5
th
to 8
th
valley HL
7
th
to 4
th
valley transition at LL and 8
th
to 5
th
valley HL
7
th
to 11
th
valley transition at LL and 8
th
to 12
th
valley HL
11
th
to 7
th
valley transition at LL and 12
th
to 8
th
valley HL
11
th
to 13
th
valley transition at LL and 12
th
to 15
th
valley HL
13
th
to 11
th
valley transition at LL and 15
th
to 12
th
valley HL
V
REF
decreases
V
REF
increases
V
REF
decreases
V
REF
increases
V
REF
decreases
V
REF
increases
V
REF
decreases
V
REF
increases
V
REF
decreases
V
REF
increases
V
VLY1−2/2−3
V
VLY2−1/3−2
V
VLY2−4/3−5
V
VLY4−2/5−3
V
VLY4−7/5−8
V
VLY7−4/8−5
V
VLY7−11/8−12
V
VLY11−7/12−8
V
VLY11−13/12−15
V
VLY13−11/15−12
177.5
185.0
185.0
117.5
125.0
–
–
–
–
–
–
–
–
–
–
–
187.5
195.0
125.0
132.5
195.0
125.0
132.5
75.0
82.5
37.5
50.0
15.0
20.0
82.5
37.5
50.0
15.0
20.0
197.5
205.0
132.5
140.0
205.0
132.5
140.0
–
–
–
–
–
–
–
–
–
–
–
mV
4. Guaranteed by design
5. OTP triggers when R
NTC
= 4.7 kW