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LM3450 датащи(PDF) 4 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor. Click here to check the latest version.
номер детали LM3450
подробное описание детали  LED Driver with Active Power Factor Correction and Phase Dimming Decoder
PDF  28 Pages
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производитель  NSC [National Semiconductor (TI)]
домашняя страница  http://www.national.com
Logo NSC - National Semiconductor (TI)

LM3450 датащи(HTML) 4 Page - National Semiconductor (TI)

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Absolute Maximum Ratings (Note 1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
V
CC, HOLD, DIM, BIAS
-0.3V to 25.0V
HOLD Power
250 mW Continuous
BIAS Current
5.0mA Continuous
ZCD Current
+/- 10mA
COMP, FB, V
AC, FLT1, FLT2,
V
REF, CS, VADJ
-0.3V to 7.0V
I
SEN
-7.0V to 7.0V
GATE
-0.3V to 18V Continuous
-2.5V for 100ns
20.5V for 100ns
-1mA to +1mA Continuous
Continuous Power
Dissipation
Internally Limited
Maximum Junction
Temperature
Internally Limited
Storage Temperature Range
-65°C to +150°C
Maximum Lead Temperature
(Solder and Reflow) (Note 2)
260°C
ESD Susceptibility (Note 3)
HBM
2kV
MM
200V
FICDM
750V
Operating Conditions (Note 1)
V
CC Range
8.5V to 20V
Junction Temperature Range
-40°C to +125°C
Electrical Characteristics (Note 1)
Unless otherwise specified V
CC = 14V. Specifications in standard type face are for TJ = 25°C and those with boldface type apply
over the full Operating Temperature Range ( T
J = −40°C to +125°C). Typical values represent the most likely parametric norm
at T
A = TJ = +25°C, and are provided for reference purposes only.
Symbol
Parameter
Conditions
Min
(Note 4)
Typ
(Note 5)
Max
(Note 4)
Units
SUPPLY VOLTAGE INPUT (V
CC)
V
CC-RISE
Controller Enable Threshold
V
CC Rising
12.2
13.0
13.6
V
V
CC-FALL
Controller Disable Threshold
V
CC Falling
7.4
7.9
8.5
Glitch Filter Delay
9
µs
Turn-on Delay
40
I
Q
V
CC Quiescent Current
No Switching
1.6
mA
I
Q-SD
V
CC Shutdown Current
V
FB = 0V
515
625
µA
ERROR AMPLIFIER & COMPENSATION (FB, COMP)
V
FB
FB Reference (Normal Operation)
2.43
2.50
2.57
V
Input Bias Current
V
FB = 2.5V
100
nA
G
M
Transconductance
V
FB = 2.5V
69
115
161
µS
Output Source / Sink Capability
60
85
110
µA
FB Pull-up Current Source
V
FB < 1.8V
43
51
59
COMP Pull-up Resistor
5
k
Ω
V
CMP-B
COMP Low Threshold (Burst)
V
CMP Falling
V
THM -0.08
V
COMP Low Hysteresis
20
mV
V
FB-SD
Low Threshold (Shutdown)
V
FB Falling
150
168
186
FB Low Hysteresis
20
V
FB-EAD
FB Mid Threshold (EA Disabled)
V
FB Falling
328
346
368
FB Mid Hysteresis
20
V
FB-OV
FB High Threshold (Over-voltage)
1.20 x V
FB
1.22 x V
FB
V
COMP Pre-bias Source Current
V
CMP = 0.5V
415
µA
V
THM
Minimum COMP Voltage (Normal)
1.47
V
ANGLE DEMODULATION & MULTIPLIER (COMP, V
AC)
V
AC-DET
V
AC Angle Detection Threshold
334
356
378
mV
Angle Demodulation Delay Time
Both edges
8
µs
VAC Dynamic Input Voltage Range
0 to 5.5
V
COMP Dynamic Input Voltage Range
V
THM to VTHM
+2
V
AC Input Impedance
500
k
Ω
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