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LM1290 データシート(PDF) 3 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
部品番号 LM1290
部品情報  Autosync Horizontal Deflection Processor
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メーカー  NSC [National Semiconductor (TI)]
ホームページ  http://www.national.com
Logo NSC - National Semiconductor (TI)

LM1290 データシート(HTML) 3 Page - National Semiconductor (TI)

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Electrical Characteristics (Continued)
See Test Circuit (
Figure 2);T
A = 25˚C; VCC = 12V; V5 = 0V unless otherwise stated.
Parameter
Condition
Typical
Limit
Units
(Note 6)
(Note 7)
H Drive Phase Control Range
V
10 = 3.6V to 7V (Notes 9, 11)
±14
%T
H
(See Application Hint #3)
H Drive Duty Cycle Control Gain
V
4 = 0V to 4V (Note 10)
10.8
%/V
H Drive Duty Cycle Maximum (Pin 7)
V
4 = 0V (Note 10)
68
63
% (min)
H Drive Duty Cycle Minimum (Pin 7)
V
4 = 4V (Note 10)
25
35
% (max)
H Drive Low Level Output Voltage (Pin 7)
I
OL = 100 mA
0.7
V
Flyback Input Threshold Voltage (Pin 6)
Positive-Going Flyback Pulse
2.2
V
Maximum Allowable Storage Delay of
From H Drive Rising Edge to
Horizontal Deflection Output Transistor
Center of Flyback Pulse
30
%T
H
Plus Half of Flyback Pulse Width
V
CC Lockout Threshold Voltage
V
CC Below Threshold:
8.5
V (max)
(Pin 14)
H Drive Output Disabled
V
CC Above Threshold:
10.5
V (min)
H Drive Output Enabled
X-Ray Shutdown Threshold Voltage
Above Threshold:
1.85
2
V (min)
(Pin 5)
H Drive Output Disabled
Note 1: Absolute Maximum Ratings indicate limits beyond which damage to the device may occur.
Note 2: Operating Ratings indicate conditions for which the device is functional, but do not guarantee specific performance limits. For guaranteed specifications and
test conditions, see the Electrical Characteristics. The guaranteed specifications apply only for the test conditions listed. Some performance characteristics may de-
grade when the device is not operated under the listed test conditions.
Note 3: All voltages are measured with respect to GND, unless otherwise specified.
Note 4: The maximum power dissipation must be derated at elevated temperatures and is dictated by TJMAX, θJA and the ambient temperature, TA. The maximum
allowable power dissipation at any elevated temperature is PD = (TJMAX −TA)/θJA or the number given in the Absolute Maximum Ratings, whichever is lower. For
this device, TJMAX = 150˚C. The typical thermal resistance (θJA) of the LM1290N is 75˚C/W.
Note 5: Human Body model, 100 pF capacitor discharged through a 1.5 k
Ω resistor.
Note 6: Typical specifications are at TA = 25˚C and represent most likely parametric norm.
Note 7: Tested limits are guaranteed to National’s AOQL (Average Outgoing Quality Level).
Note 8: The standard deviation,
σ, of the flyback pulse period is measured with a HP 53310A Modulation Domain Analyzer. Peak-to-peak jitter of the flyback pulse
is defined by 6
σ.
Note 9: A positive phase value represents a phase lead of the flyback pulse peak with reference to the center of H sync.
Note 10: The duty cycle is measured under the conditions of free run with I1 = −100 µA, TFBP = 3 µs and Td = 3.5 µs where TFBP and Td are the flyback pulse width
and the turn off delay of the H deflection output transistor respectively.
Note 11: TH is defined as the total time of one horizontal line.
www.national.com
3


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