參數(shù)資料
型號： SG3524Y
廠商： Texas Instruments, Inc.
英文描述： REGULATING PULSE-WIDTH MODULATORS
中文描述： 調(diào)控脈沖寬度調(diào)制器
文件頁數(shù)： 2/5頁
文件大?。?/td> 125K
代理商： SG3524Y
Philips Semiconductors
Product specification
SG3524
SMPS control circuit
1994 Aug 31
2
ABSOLUTE MAXIMUM RATINGS
SYMBOL
V
IN
I
OUT
I
REF
PARAMETER
RATING
40
100
50
5
UNIT
V
mA
mA
mA
Input voltage
Output current (each output)
Reference output current
Oscillator charging current
Power dissipation
Package limitation
Derate above 25
°
C
Operating temperature range
Storage temperature range
P
D
1000
8
0 to +70
-65 to +150
mW
mW/
°
C
°
C
°
C
T
A
T
STG
DC ELECTRICAL CHARACTERISTICS
T
A
=0
°
C to +70
°
C, V
IN
=20V, and f=20kHz, unless otherwise specified.
SYMBOL
PARAMETER
TEST CONDITIONS
LIMITS
Typ
UNIT
Min
Max
Reference section
V
OUT
Output voltage
Line regulation
Load regulation
Ripple rejection
Short circuit current limit
Temperature stability
Long-term stability
4.6
5.0
10
20
66
100
0.3
20
5.4
30
50
V
V
IN
=8 to 40V
I
L
=0 to 20mA
f=120Hz, T
A
=25
°
C
V
REF
=0, T
A
=25
°
C
Over operating temperature range
T
A
=25
°
C
mV
mV
dB
mA
%
I
SC
1
mV/kHz
Oscillator section
f
MAX
Maximum frequency
Initial accuracy
Voltage stability
Temperature stability
Output amplitude
Output pulse width
C
T
=0.001
μ
F, R
T
=2k
R
T
and C
T
constant
V
IN
=8 to 40V, T
A
=25
°
C
Over operating temperature range
Pin 3, T
A
=25
°
C
C
T
=0.01
μ
F, T
A
=25
°
C
300
5
kHz
%
%
%
V
P
μ
s
1
2
3.5
0.5
Error amplifier section
V
OS
Input offset voltage
I
BIAS
Input bias current
Open-loop voltage gain
V
CM
Common-mode voltage
CMRR
Common-mode rejection ratio
BW
Small-signal bandwidth
V
OUT
Output voltage
Comparator section
Duty cycle
Input threshold
Input threshold
I
BIAS
Input bias current
Current limiting section
Sense voltage
V
CM
=2.5V
V
CM
=2.5V
2
2
80
10
10
mV
μ
A
dB
V
dB
MHz
V
68
1.8
T
A
=25
°
C
T
A
=25
°
C
3.4
70
3
A
V
=0dB, T
A
=25
°
C
T
A
=25
°
C
0.5
3.8
% each output “ON”
Zero duty cycle
Maximum duty cycle
0
45
%
V
V
μ
A
1
3.5
1
Pin 9=2V with error amplifier set for maximum out,
T
A
=25
°
C
180
200
220
mV
Sense voltage T.C.
Common-mode voltage
0.2
mV/
°
C
V
V
CM
-1
+1
相關(guān)PDF資料
PDF描述
SG3524J REGULATING PULSE WIDTH MODULATOR
SG3524N REGULATING PULSE WIDTH MODULATOR
SG3524 REGULATING PULSE WIDTH MODULATOR
SG3524D REGULATING PULSE WIDTH MODULATOR
SG3524J Regulating Pulse Width Modulator
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SG3525ADW 功能描述:電壓模式 PWM 控制器 8-35V PWM 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
SG3525ADWG 功能描述:電壓模式 PWM 控制器 8-35V PWM 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
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