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A5973D PDF预览

A5973D

更新时间: 2024-01-18 01:07:25
品牌 Logo 应用领域
意法半导体 - STMICROELECTRONICS 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
13页 827K
描述
2.5A switch step down switching regulator for automotive applications

A5973D 技术参数

是否Rohs认证: 符合生命周期:Active
零件包装代码:SOIC包装说明:HLSOP, SOP8,.25
针数:8Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
Factory Lead Time:11 weeks风险等级:2.31
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 V标称输入电压:12 V
JESD-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:3.5 A封装主体材料:PLASTIC/EPOXY
封装代码:HLSOP封装等效代码:SOP8,.25
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, HEAT SINK/SLUG, LOW PROFILE
峰值回流温度(摄氏度):NOT SPECIFIED认证状态:Not Qualified
座面最大高度:1.7 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 mm
Base Number Matches:1

A5973D 数据手册

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A5973D  
Electrical characteristics  
3
Electrical characteristics  
Table 4. Electrical characteristics (TJ=-40°C to 85°C, VCC = 12V, unless otherwise specified)  
Symbol  
Parameter  
Test condition  
Min  
Typ  
Max  
Unit  
Operating input voltage  
range  
VCC  
RDS(on)  
IL  
V0=1.235V; I0=2A  
4
36  
0.5  
3.5  
V
A
MOSFET on resistance  
0.250  
3
Maximum limiting  
current  
VCC = 5V  
2.5  
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  
Iq  
3
5
mA  
quiescent current  
Quiescent current  
Duty cycle=0; VFB=1.5V  
Vinh > 2.2V  
2.5  
mA  
50  
80  
100  
µA  
Total stand-by quiescent  
current  
Iqst-by  
VCC=36V;  
150  
µA  
Vinh > 2.2V  
Inhibit  
Device ON  
0.8  
V
V
INH threshold voltage  
Device OFF  
2.2  
3.5  
Error amplifier  
VOH  
VOL  
High level output voltage VFB=1V  
V
V
Low level output voltage VFB=1.5V  
0.4  
V
COMP = 1.9V;  
FB = 1V  
Io source  
190  
1
300  
1.5  
µA  
Source output current  
Sink output current  
V
V
COMP = 1.9V;  
FB = 1.5V  
Io sink  
Ib  
mA  
V
Source bias current  
DC open loop gain  
2.5  
65  
4
µA  
RL = ∞  
COMP = -0.1mA to  
0.1mA; VCOMP = 1.9V  
50  
dB  
I
gm  
Transconductance  
2.3  
mS  
5/14  

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