NCL30082DDR2G 查看數據表（PDF） - ON Semiconductor
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NCL30082DDR2G
Dimmable Quasi-Resonant Primary Side Current-Mode Controller for LED Lighting with Thermal Fold-back
ON Semiconductor
NCL30082DDR2G Datasheet PDF : 35 Pages
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NCL30082
Table 3. ELECTRICAL CHARACTERISTICS (Unless otherwise noted: For typical values TJ = 25°C, VCC = 12 V;
For min/max values TJ = −40°C to +125°C, Max TJ = 150°C, VCC = 12 V)
Description
Test Condition
Symbol
Min Typ
Max Unit
ZERO VOLTAGE DETECTION CIRCUIT
ZCD threshold voltage
ZCD threshold voltage (Note 6)
ZCD hysteresis (Note 6)
Threshold voltage for output short circuit or aux. winding
short circuit detection
VZCD increasing
VZCD decreasing
VZCD increasing
VZCD(THI)
25
45
65 mV
VZCD(THD)
5
25
45 mV
VZCD(HYS)
10
–
–
mV
VZCD(short)
0.8
1
1.2
V
Short circuit detection Timer
Auto−recovery timer duration
Input clamp voltage
High state
Low state
Propagation Delay from valley detection to DRV high
Equivalent time constant for ZCD input (Note 6)
Blanking delay after on−time
Blanking delay after on−time NCL30082B2 and
NCL30082B3
VZCD < VZCD(short)
Ipin1 = 3.0 mA
Ipin1 = −2.0 mA
VZCD decreasing
tOVLD
trecovery
VCH
VCL
tDEM
tPAR
tBLANK
tBLANKB2
70
90
110 ms
3
4
5
s
V
–
9.5
–
−0.9 −0.6 −0.3
–
–
150 ns
–
20
–
ns
2.25
3
3.75 ms
1.2 1.6 2.0 ms
Timeout after last demag transition
CONSTANT CURRENT CONTROL
tTIMO
5
6.5
8
ms
Reference Voltage at TJ = 25°C
Reference Voltage TJ = −40°C to 125°C
Reference Voltage NCL30082D (TJ = 25°C)
Reference Voltage NCL30082D (TJ = 0°C to 85°C)
Reference Voltage NCL30082D (TJ = −40°C to 125°C)
Reference Voltage NCL30082B3 (TJ = 25°C)
Reference Voltage NCL30082B3 (TJ = 0°C to 85°C)
Reference Voltage NCL30082B3 (TJ = −40°C to 125°C)
50% reference voltage (for thermal foldback)
25% reference voltage (for thermal foldback) NCL30082D
Current sense lower threshold for detection of the
leakage inductance reset time
VREF
VREF
VREFD
VREFD
VREFD
VREFB3
VREFB3
VREFB3
VREF50
VREF25D
VCS(low)
245 250 255 mV
242.5 250 257.5 mV
495 500 505 mV
492 500 508 mV
488 500 512 mV
329 333 337 mV
325 333 341 mV
321 333 345 mV
–
125
–
mV
−
125
−
mV
30
55
80 mV
LINE FEED−FORWARD
VVIN to ICS(offset) conversion ratio
Offset current maximum value
VREF value below which the offset current source is turned off
VREF value above which the offset current source is turned on
VALLEY SELECTION
VpinVIN = 4.5 V
VREF decreases
VREF increases
KLFF
Ioffset(MAX)
VREF(off)
VREF(on)
15
17
19 mA/V
67.5 76.5 85.5 mA
–
37.5
–
mV
–
50
–
mV
Threshold for line range detection Vin increasing
(1st to 2nd valley transition for VREF > 0.75 V)
VVIN increases
VHL
2.28 2.4 2.52 V
Threshold for line range detection Vin decreasing
(2nd to 1st valley transition for VREF > 0.75 V)
VVIN decreases
VLL
2.18 2.3 2.42 V
Blanking time for line range detection
tHL(blank)
15
25
35 ms
Product parametric performance is indicated in the Electrical Characteristics for the listed test conditions, unless otherwise noted. Product
performance may not be indicated by the Electrical Characteristics if operated under different conditions.
6. Guaranteed by design.
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