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A5972D PDF预览

A5972D

更新时间: 2024-02-17 10:45:25
品牌 Logo 应用领域
意法半导体 - STMICROELECTRONICS 稳压器开关
页数 文件大小 规格书
12页 698K
描述
2A switch step down switching regulator for automotive applications

A5972D 技术参数

是否Rohs认证: 符合生命周期:End Of Life
零件包装代码:SOIC包装说明:SOP, SOP8,.25
针数:8Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.71模拟集成电路 - 其他类型:SWITCHING REGULATOR
控制模式:VOLTAGE-MODE控制技术:PULSE FREQUENCY MODULATION
最大输入电压:36 V最小输入电压:4.4 V
标称输入电压:12 VJESD-30 代码:R-PDSO-G8
长度:4.9 mm功能数量:1
端子数量:8最高工作温度:85 °C
最低工作温度:-40 °C最大输出电流:3 A
封装主体材料:PLASTIC/EPOXY封装代码:SOP
封装等效代码:SOP8,.25封装形状:RECTANGULAR
封装形式:SMALL OUTLINE峰值回流温度(摄氏度):NOT SPECIFIED
认证状态:Not Qualified座面最大高度:1.75 mm
子类别:Switching Regulator or Controllers表面贴装:YES
切换器配置:BUCK最大切换频率:280 kHz
技术:DMOS温度等级:INDUSTRIAL
端子形式:GULL WING端子节距:1.27 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:3.9 mmBase Number Matches:1

A5972D 数据手册

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A5972D  
3
Electrical characteristics  
Table 4.  
Symbol  
Electrical characteristics (T =-40 to 85°C, VCC = 12V, unless otherwise specified)  
J
Parameter  
Test condition  
Min  
Typ  
Max  
Unit  
Operating input voltage  
range  
VCC  
RDS(on)  
IL  
V0=1.235V; I0=2A  
4.4  
36  
0.5  
3
V
A
Mosfet on resistance  
0.250  
2.5  
Maximum limiting  
current  
VCC=5V  
2
fSW  
Switching frequency  
Duty cycle  
212  
0
250  
280  
100  
kHz  
%
Dynamic characteristics (see test circuit).  
4.4V<VCC<36V,  
20mA<I0<2A  
V5  
Voltage feedback  
Efficiency  
1.198  
1.235  
90  
1.272  
V
η
V0=5V, VCC=12V  
%
DC characteristics  
Total operating  
Iqop  
3
5
mA  
mA  
quiescent current  
Quiescent current  
Iq  
Error amplifier  
Duty cycle=0; VFB=1.5V  
2.5  
VOH  
VOL  
High level output voltage VFB=1V  
Low level output voltage VFB=1.5V  
COMP = 1.9V;  
3.5  
V
V
0.4  
V
Io source  
190  
1
300  
1.5  
µA  
Source output current  
VFB = 1V  
V
COMP = 1.9V;  
FB = 1.5V  
Io sink  
Ib  
Sink output current  
mA  
V
Source bias current  
DC open loop gain  
2.5  
65  
4
µA  
RL= ∞  
50  
dB  
I
COMP = -0.1mA to  
gm  
Transconductance  
2.3  
mS  
0.1mA; VCOMP = 1.9V  
5/12  

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