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CS5257A-1GT5

更新时间: 2024-11-15 22:17:35
品牌 Logo 应用领域
樱桃 - CHERRY 线性稳压器IC调节器电源电路输出元件局域网
页数 文件大小 规格书
9页 175K
描述
7A LDO 5-Pin Adjustable Linear Regulator

CS5257A-1GT5 技术参数

是否Rohs认证: 不符合生命周期:Transferred
包装说明:STRAIGHT, TO-220, 5 PINReach Compliance Code:unknown
风险等级:5.76Is Samacsys:N
可调性:ADJUSTABLE最大回动电压 1:0.65 V
标称回动电压 1:0.5 V最大绝对输入电压:6 V
JESD-30 代码:R-PSFM-T5JESD-609代码:e0
最大电网调整率 (%/V):0.053最大负载调整率 (%):0.2%
功能数量:1输出次数:1
端子数量:5工作温度TJ-Max:150 °C
工作温度TJ-Min:最高工作温度:70 °C
最低工作温度:最大输出电流 1:7 A
最大输出电压 1:5 V最小输出电压 1:1.25 V
封装主体材料:PLASTIC/EPOXY封装等效代码:SIP5,.1,67TB
封装形状:RECTANGULAR封装形式:FLANGE MOUNT
认证状态:Not Qualified调节器类型:ADJUSTABLE POSITIVE SINGLE OUTPUT LDO REGULATOR
子类别:Other Regulators表面贴装:NO
技术:BIPOLAR端子面层:Tin/Lead (Sn/Pb)
端子形式:THROUGH-HOLE端子节距:1.7 mm
端子位置:SINGLEBase Number Matches:1

CS5257A-1GT5 数据手册

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CS5257A-1  
7A LDO 5-Pin Adjustable Linear Regulator  
Features  
Description  
regulation measured at the sense  
This new very low dropout regula-  
tor is designed to power the next  
generation of advanced micropro-  
cessors. To achieve very low  
dropout, the internal pass transistor  
is powered separately from the con-  
trol circuitry. Furthermore, with the  
control and power inputs tied  
together, this device can be used in  
single supply configuration and  
still offer a better dropout voltage  
than conventional PNP-NPN based  
LDO regulators. In this mode the  
dropout is determined by the mini-  
mum control voltage.  
1.25V to 5V VOUT at 7A  
pin is 1mV for an output voltage of  
2.5V with a load step of 10mA to  
7A.  
VPOWER Dropout < 0.35V @ 7A  
VCONTROL Dropout < 1.10V @  
The very fast transient loop  
7A  
response easily meets the needs of  
the latest microprocessors. In addi-  
tion, a small capacitor on the Adjust  
pin will further improve the tran-  
sient capabilities.  
1.5% Trimmed Reference  
Fast Transient Response  
Remote Voltage Sensing  
Thermal Shutdown  
Internal protection circuitry pro-  
vides for Òbust-proofÓ operation,  
similar to three-terminal regulators.  
This circuitry, which includes over-  
current, short circuit, supply  
sequencing and overtemperature  
protection will self protect the regu-  
lator under all fault conditions.  
Current Limit  
Short Circuit Protection  
Drop-In Replacement for  
It is supplied in five-terminal  
TO-220 and D2PAK packages,  
LT1580  
allowing for the implementation of  
a remote-sense pin permitting very  
accurate regulation of output volt-  
age directly at the load, where it  
counts, rather than at the regulator.  
This remote sensing feature virtual-  
ly eliminates output voltage varia-  
tions due to load changes and resis-  
tive voltage drops. Typical load  
Backwards Compatible with  
3-pin Regulators  
The CS5257A-1 is ideal for generat-  
ing a secondary 2-2.5V low voltage  
supply on a motherboard where  
both 5V and 3.3V are already avail-  
able.  
Package Options  
5 Lead TO-220  
5 Lead D2PAK  
Applications Diagram  
5.0V  
VCONTROL  
VOUT  
CS5257A-1  
VPOWER  
1
2.5V @ 7A  
VSENSE  
Adjust  
3.3V  
1. VSENSE  
2. Adjust  
124  
1%  
1
3. VOUT  
10mF  
10V  
100mF  
5V  
0.1mF  
5V  
300mF  
5V  
124  
1%  
Load  
4. VCONTROL  
5. VPOWER  
Tab = VOUT  
Cherry Semiconductor Corporation  
2000 South County Trail, East Greenwich, RI 02818  
Tel: (401)885-3600 Fax: (401)885-5786  
Email: info@cherry-semi.com  
Web Site: www.cherry-semi.com  
Rev. 4/5/99  
1
A
¨
Company  

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