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SG3525AN PDF预览

SG3525AN

更新时间： 2024-09-13 22:43:15
品牌 Logo 应用领域
摩托罗拉 - MOTOROLA 稳压器开关式稳压器或控制器电源电路开关式控制器光电二极管
页数 文件大小 规格书
8页 209K
描述
PULSE WIDTH MODULATOR CONTROL CIRCUITS

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中文翻译

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SG3525AN 技术参数

是否Rohs认证：不符合生命周期：Transferred
零件包装代码：DIP包装说明：DIP,
针数：16Reach Compliance Code：unknown
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.15Is Samacsys：N
模拟集成电路 - 其他类型：SWITCHING CONTROLLER控制模式：VOLTAGE-MODE
控制技术：PULSE WIDTH MODULATION最大输入电压：35 V
最小输入电压：8 V标称输入电压：20 V
JESD-30 代码：R-PDIP-T16JESD-609代码：e0
长度：19.175 mm功能数量：1
端子数量：16最高工作温度：70 °C
最低工作温度：最大输出电流：0.5 A
封装主体材料：PLASTIC/EPOXY封装代码：DIP
封装形状：RECTANGULAR封装形式：IN-LINE
峰值回流温度（摄氏度）：NOT SPECIFIED认证状态：Not Qualified
座面最大高度：4.44 mm最大供电电流 (Isup)：20 mA
表面贴装：NO切换器配置：PUSH-PULL
最大切换频率：400 kHz技术：BIPOLAR
温度等级：COMMERCIAL端子面层：Tin/Lead (Sn/Pb)
端子形式：THROUGH-HOLE端子节距：2.54 mm
端子位置：DUAL处于峰值回流温度下的最长时间：NOT SPECIFIED
宽度：7.62 mmBase Number Matches：1

SG3525AN 数据手册

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Order this document by SG3525A/D  
PULSE WIDTH MODULATOR  
CONTROL CIRCUITS  
The SG3525A, SG3527A pulse width modulator control circuits offer  
improved performance and lower external parts count when implemented for  
controlling all types of switching power supplies. The on–chip +5.1 V  
reference is trimmed to ±1% and the error amplifier has an input  
common–mode voltage range that includes the reference voltage, thus  
eliminating the need for external divider resistors. A sync input to the  
oscillator enables multiple units to be slaved or a single unit to be  
synchronized to an external system clock. A wide range of deadtime can be  
SEMICONDUCTOR  
TECHNICAL DATA  
programmed by a single resistor connected between the C and Discharge  
T
pins. These devices also feature built–in soft–start circuitry, requiring only an  
external timing capacitor. A shutdown pin controls both the soft–start circuitry  
and the output stages, providing instantaneous turn off through the PWM  
latch with pulsed shutdown, as well as soft–start recycle with longer  
shutdown commands. The under voltage lockout inhibits the outputs and the  
N SUFFIX  
PLASTIC PACKAGE  
16  
CASE 648  
1
changing of the soft–start capacitor when V  
is below nominal. The output  
CC  
stages are totem–pole design capable of sinking and sourcing in excess of  
200 mA. The output stage of the SG3525A features NOR logic resulting in a  
low output for an off–state while the SG3527A utilized OR logic which gives a  
high output when off.  
DW SUFFIX  
• 8.0 V to 35 V Operation  
PLASTIC PACKAGE  
CASE 751B  
(SO–16L)  
16  
• 5.1 V ± 1.0% Trimmed Reference  
• 100 Hz to 400 kHz Oscillator Range  
• Separate Oscillator Sync Pin  
1
• Adjustable Deadtime Control  
• Input Undervoltage Lockout  
PIN CONNECTIONS  
• Latching PWM to Prevent Multiple Pulses  
• Pulse–by–Pulse Shutdown  
• Dual Source/Sink Outputs: ±400 mA Peak  
Inv. Input  
Noninv. Input  
Sync  
V
1
2
3
4
5
6
7
8
16  
15  
14  
13  
12  
11  
10  
9
ref  
V
CC  
Output B  
OSC. Output  
V
C
Representative Block Diagram  
C
T
Ground  
16  
15  
12  
VC  
13  
V
To Internal  
Circuitry  
ref  
R
T
Output A  
Reference  
Regulator  
Under–  
Voltage  
Lockout  
V
CC  
Output A  
11  
Discharge  
Soft–Start  
Shutdown  
Compensation  
Ground  
NOR  
NOR  
4
OSC Output  
3
6
Q
Sync  
RT  
F/F  
(Top View)  
Oscillator  
Q
14  
5
Output B  
CT  
7
Discharge  
R
Latch  
S
SG3525A Output Stage  
+
9
1
S
13  
– PWM  
–
Compensation  
INV. Input  
VC  
–
ORDERING INFORMATION  
Error  
Amp  
Output A  
11  
50µA  
2
8
Noninv. Input  
+
V
REF  
OR  
Operating  
Temperature Range  
C
Device  
Package  
Soft–Start  
Output B  
14  
10  
5.0k  
5.0k  
SG3525AN  
SG3525ADW  
SG3527AN  
Plastic DIP  
SO–16L  
Shutdown  
OR  
T
= 0° to +70°C  
A
SG3527A  
Output Stage  
Plastic DIP  
Motorola, Inc. 1996  
Rev 2  
12345678

中文翻译

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