參數(shù)資料
型號： SG3525ANG
廠商： ON SEMICONDUCTOR
元件分類： 穩(wěn)壓器
英文描述： Pulse Width Modulator Control Circuit
中文描述： 0.5 A SWITCHING CONTROLLER, 400 kHz SWITCHING FREQ-MAX, PDIP16
封裝： LEAD FREE, PLASTIC, DIP-16
文件頁數(shù)： 4/10頁
文件大?。?/td> 155K
代理商： SG3525ANG
SG3525A
http://onsemi.com
4
ELECTRICAL CHARACTERISTICS
(V
CC
= +20 Vdc, T
A
= T
low
to T
high
[Note 3], unless otherwise noted.)
Characteristics
Symbol
Min
Typ
Max
Unit
REFERENCE SECTION
Reference Output Voltage (T
J
= +25
°
C)
V
ref
5.00
5.10
5.20
Vdc
Line Regulation (+8.0 V
≤
V
CC
≤
+35 V)
Reg
line
10
20
mV
Load Regulation (0 mA
≤
I
L
≤
20 mA)
Reg
load
20
50
mV
Temperature Stability
V
ref
/ T
20
mV
Total Output Variation Includes Line and Load Regulation over Temperature
V
ref
4.95
5.25
Vdc
Short Circuit Current (V
ref
= 0 V, T
J
= +25
°
C)
I
SC
80
100
mA
Output Noise Voltage (10 Hz
≤
f
≤
10 kHz, T
J
= +25
°
C)
V
n
40
200
V
rms
Long Term Stability (T
J
= +125
°
C) (Note 4)
S
20
50
mV/khr
OSCILLATOR SECTION
(Note 5, unless otherwise noted.)
Initial Accuracy (T
J
= +25
°
C)
±
2.0
±
6.0
%
Frequency Stability with Voltage
(+8.0 V
≤
V
CC
≤
+35 V)
fosc
DVCC
±
1.0
±
2.0
%
Frequency Stability with Temperature
fosc
DT
f
min
±
0.3
%
Minimum Frequency (R
T
= 150 k , C
T
= 0.2 F)
50
Hz
Maximum Frequency (R
T
= 2.0 k , C
T
= 1.0 nF)
f
max
400
kHz
Current Mirror (I
RT
= 2.0 mA)
1.7
2.0
2.2
mA
Clock Amplitude
3.0
3.5
V
Clock Width (T
J
= +25
°
C)
0.3
0.5
1.0
s
Sync Threshold
1.2
2.0
2.8
V
Sync Input Current (Sync Voltage = +3.5 V)
1.0
2.5
mA
ERROR AMPLIFIER SECTION
(V
CM
= +5.1 V)
Input Offset Voltage
V
IO
2.0
10
mV
Input Bias Current
I
IB
1.0
10
A
Input Offset Current
I
IO
1.0
A
DC Open Loop Gain (R
L
≥
10 M )
A
VOL
60
75
dB
Low Level Output Voltage
V
OL
0.2
0.5
V
High Level Output Voltage
V
OH
3.8
5.6
V
Common Mode Rejection Ratio (+1.5 V
≤
V
CM
≤
+5.2 V)
CMRR
60
75
dB
Power Supply Rejection Ratio (+8.0 V
≤
V
CC
≤
+35 V)
PSRR
50
60
dB
PWM COMPARATOR SECTION
Minimum Duty Cycle
DC
min
0
%
Maximum Duty Cycle
DC
max
45
49
%
Input Threshold, Zero Duty Cycle (Note 5)
V
th
0.6
0.9
V
Input Threshold, Maximum Duty Cycle (Note 5)
V
th
3.3
3.6
V
Input Bias Current
I
IB
0.05
1.0
A
3. T
low
= 0
°
4. Since long term stability cannot be measured on each device before shipment, this specification is an engineering estimate of average
stability from lot to lot.
5. Tested at f
osc
= 40 kHz (R
T
= 3.6 k , C
T
= 0.01 F, R
D
= 0 ).
T
high
= +70
°
C
相關(guān)PDF資料
PDF描述
SG3525A Pulse Width Modulator Control Circuit(脈寬調(diào)制器控制電路)
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SG3525ANG 制造商:ON Semiconductor 功能描述:DC/DC Converter IC
SG3525AP 功能描述:電壓模式 PWM 控制器 Voltage Mode w/Sync RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:1 拓撲結(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
SG3525AP013TR 功能描述:電壓模式 PWM 控制器 Voltage Mode w/Sync RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:1 拓撲結(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
SG3525AP13TR 制造商:STMicroelectronics 功能描述:REGULATING PULSE WIDTH MODULATOR - Tape and Reel
SG3526 制造商:MICROSEMI 制造商全稱:Microsemi Corporation 功能描述:REGULATING PULSE WIDTH MODULATOR
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