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B1117T-2.85

更新时间： 2025-07-17 06:39:11
品牌 Logo 应用领域
其他 - ETC 稳压器
页数 文件大小 规格书
7页 348K
描述
1.0Amp Low Dropout Voltage Regulator

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B1117T-2.85 数据手册

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Bay Linear  
Inspire the Linear Power  
1.0Amp Low Dropout Voltage Regulator  
B1117  
Adjustable & Fix (0.40Volt Dropout)  
Description  
Features  
•
•
•
•
•
Adjustable Output Down to 1.2V  
The Bay Linear B1117 is a three terminal positive NPN  
regulator offered as adjustable or fix voltages of 1.5V,1.8V,  
2.5V, 2.85V, 3.3V, and 5Volts. The output current has a  
capability up to 1.0Amp,. This device has been optimized for  
low voltage where transient response and minimum input  
voltage are critical. The 2.85V version is designed specifically  
to be used in active terminators for SCSI bus.  
Output Current of 1.0Amp  
Low Dropout 1.0V for B1117  
Dropout of 0.40 V in for B1117A  
Adjustable & Fix 1.5V, 1.8V, 2.5V, 2.85V,  
3.0V, 3.3V, 5.0V  
•
•
•
•
0.05% Load Regulation  
Current & Thermal Limiting  
Lower Cost SOT-89 Package  
Available in SOT-223, and TO-252,  
TO-263 & SO-8  
Current limit is trimmed to ensure specified output current and  
controlled short-circuit current. On-Chip thermal limiting  
provides protection against any combination of overload and  
ambient temperatures that would create excessive junction  
temperatures.  
•
Similar to industry Standard LT1117  
The B1117 is offered in a 3-pin SOT-223, and TO-252  
(DPAK) packages compatible with other 3 terminal regulators.  
5-pin version in TO-263 with lower dropout of 0.4 volt is  
available.  
Applications  
•
•
•
•
•
•
Active SCSI terminators  
High efficiency Linear Regulator  
Post regulators fro Switching Supplies  
Battery Charger  
5V to 3.3V linear Regulators  
Motherboard Clock Supplies  
Pin Connection  
Ordering Information  
Devices  
B1117D-X  
B1117N-X  
B1117T-X  
B1117S-X  
B1117M-X  
Package  
Temp.  
TO-252  
TO-223  
TO-220  
TO-263  
SO-8  
0 °C to 125 °C  
0 °C to 125 °C  
0 °C to 125 °C  
0 °C to 125 °C  
0 °C to 125 °C  
SOT-223-5  
Tab VOUT  
8-Pin Surface Mount  
SOT-223  
Tab VOUT  
ADJ  
IN  
#1 Sense  
#2 Adj/GND  
#3 OUT  
#4 Control  
#5 VIN  
1
2
3
4
8
7
6
5
NC  
IN  
TO-252  
OUT  
OUT  
IN  
VPOWER  
VCONTROL  
OUTPUT  
ADJ/GND.  
5
4
3
2
1
N.C
Adj/GND OUT  
IN  
4
2
3
5
1
Front View  
Top View  
Front View  
1
2
3
SENSE  
TO-263-5 Package  
ADJ/GN VOUT VIN  
Front  
Bay Linear, Inc 2418 Armstrong Street, Livermore, CA 94550 Tel: (925) 606-5950, Fax: (925) 940-9556  
www.baylinear.com  
1234567

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