參數(shù)資料
型號(hào): LM3524D
廠商: National Semiconductor Corporation
英文描述: Regulating Pulse Width Modulator
中文描述: 調(diào)節(jié)脈沖寬度調(diào)制器
文件頁(yè)數(shù): 3/22頁(yè)
文件大?。?/td> 1172K
代理商: LM3524D
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
Collector Supply Voltage
(LM2524D)
(LM3524D)
Output Current DC (each)
Oscillator Charging Current (Pin 7)
40V
55V
40V
200 mA
5 mA
Internal Power Dissipation
Operating Junction Temperature
Range (Note 2)
LM2524D
LM3524D
Maximum Junction Temperature
Storage Temperature Range
Lead Temperature (Soldering 4 sec.)
M, N Pkg.
1W
40C to +125C
0C to +125C
150
65C to +150C
260C
Electrical Characteristics
(Note 1)
LM2524D
Tested
Limit
(Note 3)
LM3524D
Tested
Limit
(Note 3)
Symbol
Parameter
Conditions
Design
Limit
(Note 4)
Design
Limit
(Note 4)
Units
Typ
Typ
REFERENCE SECTION
V
REF
Output Voltage
5
4.85
5.15
15
15
4.80
5.20
30
25
5
4.75
5.25
25
25
V
Min
V
Max
mV
Max
mV
Max
dB
V
RLine
V
RLoad
Line Regulation
Load Regulation
Ripple Rejection
V
IN
= 8V to 40V
I
L
= 0 mA to 20 mA
f = 120 Hz
10
10
66
10
10
66
50
50
I
OS
Short Circuit
Current
V
REF
= 0
25
25
mA Min
50
50
180
200
mA Max
μV
rms Max
mV/kHr
N
O
Output Noise
Long Term
Stability
10 Hz
f
10 kHz
T
A
= 125C
40
20
100
40
20
100
OSCILLATOR SECTION
f
OSC
Max. Freq.
R
T
= 1k, C
T
= 0.001 μF
(Note 7)
R
T
= 5.6k, C
T
= 0.01 μF
(Note 7)
550
500
350
kHz
Min
f
OSC
Initial
Accuracy
17.5
17.5
kHz
Min
20
20
22.5
34
22.5
30
kHz
Max
kHz
Min
R
T
= 2.7k, C
T
= 0.01 μF
(Note 7)
38
38
42
1
46
1.0
kHz
Max
%
Max
f
OSC
Freq. Change
with V
IN
Freq. Change
with Temp.
V
IN
= 8 to 40V
0.5
0.5
f
OSC
T
A
= 55C to +125C
at 20 kHz R
T
= 5.6k,
C
T
= 0.01 μF
R
T
= 5.6k, C
T
= 0.01 μF
5
5
%
V
OSC
Output Amplitude
(Pin 3) (Note 8)
Output Pulse
Width (Pin 3)
Sawtooth Peak
Voltage
3
2.4
3
2.4
V
Min
t
PW
R
T
= 5.6k, C
T
= 0.01 μF
0.5
1.5
0.5
1.5
μs
Max
R
T
= 5.6k, C
T
= 0.01 μF
3.4
3.6
3.8
3.8
V
Max
L
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