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LM3524D bảng dữ liệu(PDF) 3 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor. Click here to check the latest version.
tên linh kiện LM3524D
Giải thích chi tiết về linh kiện  Regulating Pulse Width Modulator
PDF  22 Pages
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LM3524D bảng dữ liệu(HTML) 3 Page - National Semiconductor (TI)

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Absolute Maximum Ratings (Note 5)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Supply Voltage
40V
Collector Supply Voltage
(LM2524D)
55V
(LM3524D)
40V
Output Current DC (each)
200 mA
Oscillator Charging Current (Pin 7)
5 mA
Internal Power Dissipation
1W
Operating Junction Temperature
Range (Note 2)
LM2524D
−40˚C to +125˚C
LM3524D
0˚C to +125˚C
Maximum Junction Temperature
150˚
Storage Temperature Range
−65˚C to +150˚C
Lead Temperature (Soldering 4 sec.)
M, N Pkg.
260˚C
Electrical Characteristics
(Note 1)
LM2524D
LM3524D
Symbol
Parameter
Conditions
Tested
Design
Tested
Design
Units
Typ
Limit
Limit
Typ
Limit
Limit
(Note 3)
(Note 4)
(Note 3)
(Note 4)
REFERENCE SECTION
V
REF
Output Voltage
5
4.85
4.80
5
4.75
V
Min
5.15
5.20
5.25
V
Max
V
RLine
Line Regulation
V
IN = 8V to 40V
10
15
30
10
25
50
mV
Max
V
RLoad
Load Regulation
I
L =0mAto20mA
10
15
25
10
25
50
mV
Max
Ripple Rejection
f = 120 Hz
66
66
dB
I
OS
Short Circuit
V
REF = 0
25
25
mA Min
Current
50
50
180
200
mA Max
N
O
Output Noise
10 Hz
≤ f ≤ 10 kHz
40
100
40
100
µV
rms Max
Long Term
T
A = 125˚C
20
20
mV/kHr
Stability
OSCILLATOR SECTION
f
OSC
Max. Freq.
R
T = 1k, CT = 0.001 µF
550
500
350
kHz
Min
(Note 7)
f
OSC
Initial
R
T = 5.6k, CT = 0.01 µF
17.5
17.5
kHz
Min
Accuracy
(Note 7)
20
20
22.5
22.5
kHz
Max
R
T = 2.7k, CT = 0.01 µF
34
30
kHz
Min
(Note 7)
38
38
42
46
kHz
Max
∆f
OSC
Freq. Change
V
IN = 8 to 40V
0.5
1
0.5
1.0
%
Max
with V
IN
∆f
OSC
Freq. Change
T
A = −55˚C to +125˚C
with Temp.
at 20 kHz R
T = 5.6k,
5
5
%
C
T = 0.01 µF
V
OSC
Output Amplitude
R
T = 5.6k, CT = 0.01 µF
3
2.4
3
2.4
V
Min
(Pin 3) (Note 8)
t
PW
Output Pulse
R
T = 5.6k, CT = 0.01 µF
0.5
1.5
0.5
1.5
µs
Max
Width (Pin 3)
Sawtooth Peak
R
T = 5.6k, CT = 0.01 µF
3.4
3.6
3.8
3.8
V
Max
Voltage
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