參數(shù)資料
型號(hào)： LM3524DN
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類： 穩(wěn)壓器
英文描述： Regulating Pulse Width Modulator
中文描述： 0.2 A SWITCHING CONTROLLER, 350 kHz SWITCHING FREQ-MAX, PDIP16
封裝： PLASTIC, DIP-16
文件頁數(shù)： 3/22頁
文件大?。?/td> 1172K
代理商： LM3524DN
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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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LM3524DN 制造商:Texas Instruments 功能描述:ENHANCED PWM CONTROLLER 3524 DIP
LM3524DN/NOPB 功能描述:電壓模式 PWM 控制器 RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:1 拓?fù)浣Y(jié)構(gòu):Buck 輸出電壓:34 V 輸出電流: 開關(guān)頻率: 工作電源電壓:4.5 V to 5.5 V 電源電流:600 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:WSON-8 封裝:Reel
LM3524J 制造商:OC White Company 功能描述:VOLT-MODE PWM CTRLR 16-Pin CDIP Rail
LM3524J/A+ 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Voltage-Mode SMPS Controller
LM3524M 制造商:Texas Instruments 功能描述:
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