Datasheet 搜索 > ADI（亚德诺） > LT1185IT#PBF 数据手册 > LT1185IT#PBF 数据手册 1/16 页
￥ 61.35
LT1185IT#PBF 数据手册 - ADI（亚德诺）
制造商:
ADI（亚德诺）
封装:
TO-220
描述:
负 Vin=35V Vout=25V~2.5V 3A
Pictures:
3D模型
符号图
焊盘图
引脚图
产品图
页面导航:
导航目录
LT1185IT#PBF数据手册
Page:
of 16 Go
若手册格式错乱，请下载阅览PDF原文件
1
LT1185
1185ff
Low Dropout Regulator
■
Low Resistance Pass Transistor: 0.25
Ω
■
Dropout Voltage: 0.75V at 3A
■
±
1% Reference Voltage
■
Accurate Programmable Current Limit
■
Shutdown Capability
■
Internal Reference Available
■
Full Remote Sense
■
Low Quiescent Current: 2.5mA
■
Good High Frequency Ripple Rejection
■
Available in 5-Lead TO-220 and DD Packages
The LT1185 uses a saturation-limited NPN transistor as
the pass element. This device gives the linear dropout
characteristics of a FET pass element with significantly
less die area. High efficiency is maintained by using special
anti-saturation circuitry that adjusts base drive to track
load current. The “on resistance” is typically 0.25Ω.
Accurate current limit is programmed with a single 1/8W
external resistor, with a range of zero to three amperes. A
second, fixed internal limit circuit prevents destructive
currents if the programming current is accidentally over-
ranged. Shutdown of the regulator output is guaranteed
when the program current is less than 1µA, allowing
external logic control of output voltage.
The LT1185 has all the protection features of previous
LTC regulators, including power limiting and thermal
shutdown.
5V, 3A Regulator with 3.5A Current Limit
Dropout Voltage
+
–
2.37k
2.67k
2µF
TANT
REF GND
FB
V
OUT
V
IN
LT1185
2µF
TANT
R
LIM
*
4.3k
+
–
V
IN
6V TO 16V
V
OUT
5V AT 3A
LT1185 • TA01
*CURRENT LIMIT = 15k/R
LIM
= 3.5A
+
+
LOAD CURRENT (A)
0
V
IN
– V
OUT
(V)
0.8
1.0
1.2
4
LT1185 • TA02
0.6
0.4
0
1
2
3
0.2
1.6
1.4
T
J
= 125°C
T
J
= –55°C
T
J
= 25°C
The LT
®
1185 is a 3A low dropout regulator with adjustable
current limit and remote sense capability. It can be used as
a positive output regulator with floating input or as a
standard negative regulator with grounded input. The
output voltage range is 2.5V to 25V, with ±1% accuracy on
the internal reference voltage.
FEATURES
DESCRIPTIO
U
TYPICAL APPLICATIO
U
, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.
All other trademarks are the property of their respective owners.
器件 Datasheet 文档搜索
AiEMA 数据库涵盖高达 72,405,303 个元件的数据手册，每天更新 5,000 多个 PDF 文件
