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CS2001YDWF20

更新时间： 2024-02-10 21:19:57
品牌 Logo 应用领域
安森美 - ONSEMI 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 77K
描述
1.2 A Switching Regulator, and 5.0 V, 100 mA Linear Regulator with RESET

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CS2001YDWF20 技术参数

是否无铅： 含铅生命周期：Active
零件包装代码：SOIC包装说明：SOIC-20
针数：20Reach Compliance Code：unknown
风险等级：5.23Is Samacsys：N
模拟集成电路 - 其他类型：SWITCHED CAPACITOR REGULATOR最大输入电压：16 V
最小输入电压：8 V标称输入电压：12 V
JESD-30 代码：R-PDSO-G20JESD-609代码：e0
长度：12.8 mm湿度敏感等级：NOT SPECIFIED
功能数量：1端子数量：20
最高工作温度：85 °C最低工作温度：-40 °C
封装主体材料：PLASTIC/EPOXY封装代码：SOP
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：COMMERCIAL
座面最大高度：2.65 mm表面贴装：YES
切换器配置：TRIPLER最大切换频率：165 kHz
温度等级：INDUSTRIAL端子面层：TIN LEAD
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：7.5 mmBase Number Matches：1

CS2001YDWF20 数据手册

 浏览型号CS2001YDWF20的Datasheet PDF文件第2页浏览型号CS2001YDWF20的Datasheet PDF文件第3页浏览型号CS2001YDWF20的Datasheet PDF文件第4页浏览型号CS2001YDWF20的Datasheet PDF文件第5页浏览型号CS2001YDWF20的Datasheet PDF文件第6页浏览型号CS2001YDWF20的Datasheet PDF文件第7页 
CS2001  
1.2 A Switching Regulator,  
and 5.0 V, 100 mA Linear  
Regulator with RESET  
The CS2001 is a smart power supply ASIC utilized in automotive  
airbag systems. It contains a current–mode switching regulator with a  
1.2 A on–chip switch and a 5.0 V, 100 mA linear regulator. The linear  
output capacitor must be 3.3 µF or greater with an ESR in the range of  
100 mΩ to 1.0 Ω. If the ESR of the cap is less than 100 mΩ, a series  
resistor must be used. The switcher can be configured in either a boost  
or flyback topology. The boost topology produces energy reserve  
voltage VER which is externally adjustable (25 V maximum) through  
http://onsemi.com  
SO–20L  
DWF SUFFIX  
CASE 751D  
20  
1
MARKING DIAGRAM  
the resistor divider connected to the V pin. In the event of fault  
FB  
conditions that produce V either open or shorted, the switcher is  
20  
FB  
shut down.  
Under normal operating conditions (V  
CS2001  
> 8.0 V), the current  
BAT  
AWLYYWW  
loading on the linear regulator is directed through V . A low battery  
BAT  
or loss of battery condition switches the supply for the linear regulator  
from V  
to VER and shuts down the switcher using the ASIC’s  
1
BAT  
internal “smartswitch.” This switchover feature minimizes the power  
dissipation in both the linear and switcher output devices and saves the  
cost of using a larger inductor.  
A
= Assembly Location  
WL, L = Wafer Lot  
YY, Y = Year  
WW, W = Work Week  
The NERD (No Energy Reserve Detected) pin is a dual function  
output. If V  
is not in regulation, it provides a Power On Reset  
OUT  
function whose time interval is externally adjustable with the  
capacitor. This interval can be seen on the RESETB pin, which allows  
for clean power–up and power–down of the microprocessor. Once  
PIN CONNECTIONS  
1
20  
VER  
V
OUT  
V
OUT  
is in regulation, the logic level of the NERD output (usually  
V
V
GND1  
GND2  
GND3  
GND4  
RESETB  
NERD  
GND8  
GND7  
GND6  
GND5  
BAT  
low) indicates to the microprocessor whether or not the VER pin is  
connected.  
A switched–capacitor voltage tripler accepts input voltage VER and  
FB  
produces output voltage V  
(typically VER + 8.0 V). This voltage  
CHG  
is used in the system to drive high–side FETs.  
This part is capable of withstanding a 50 V peak transient voltage.  
The linear regulator will not shut down during this event.  
V
V
SW  
CHG  
I
BIAS  
SWSD  
COMP  
C
PUMP  
Features  
ORDERING INFORMATION  
• Linear Regulator 5.0 V ±2% @ 100 mA  
• Switching Regulator 1.2 A Peak Internal Switch  
• Voltage Tripler  
• Smart Functions  
Device  
Package  
Shipping  
37 Units/Rail  
CS2001YDWF20  
CS2001YDWFR20  
SO–20L  
SO–20L  
1000 Tape & Reel  
– Smartswitch  
– RESET  
– Energy Reserve Status  
• Protection  
– Overtemperature  
– Current Limit  
– 50 V Peak Transient Capability  
• Internally Fused Leads in SO–20L Package  
Semiconductor Components Industries, LLC, 2001  
1
Publication Order Number:  
December, 2000 – Rev. 5  
CS2001/D  
12345678

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