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TJ4940GRS-2.5-3L 参数 Datasheet PDF下载

TJ4940GRS-2.5-3L图片预览
型号: TJ4940GRS-2.5-3L
PDF下载: 下载PDF文件 查看货源
内容描述: 1A超低压差线性稳压器 [1A Ultra Low Dropout Linear Regulator]
分类和应用: 稳压器
文件页数/大小: 8 页 / 178 K
品牌: HTC [ HTC KOREA TAEJIN TECHNOLOGY CO. ]
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1A Ultra Low Dropout Linear Regulator
FEATURES
Ultra Low Dropout Voltage
Compatible with low ESR MLCC as Input/Output Capacitor
Good Line and Load Regulation
Guaranteed Output Current of 1A
Available in SOT-223 and TO-252 Packages
Fixed Output Voltages : 1.0V, 1.2V, 1.8V, 2.5V, and 3.3V
Over-Temperature/Over-Current Protection
-40
ºC
to 125
ºC
Junction Temperature Range
TJ4940
SOT-223 3L
APPLICATION
LCD TVs and SETTOP Boxes
Battery Powered Equipments
Motherboards and Graphic Cards
Microprocessor Power Supplies
Peripheral Cards
High Efficiency Linear Regulators
Battery Chargers
TO252 3L PKG
ORDERING INFORMATION
Device
Package
SOT-223 3L
TO-252 3L
DESCRIPTION
The TJ4940 series of high performance ultra-low dropout
linear regulators operates from 2.5V to 6V input supply and
provides ultra-low dropout voltage, high output current with
low ground current. Wide range of preset output voltage
options are available. These ultra-low dropout linear
regulators respond fast to step changes in load which
makes them suitable for low voltage micro-processor
applications. The TJ4940 is developed on a CMOS process
technology which allows low quiescent current operation
independent of output load current. This CMOS process
also allows the TJ4940 to operate under extremely low
dropout conditions.
TJ4940xS-X.X
TJ4940GRS-X.X
X.X = Output Voltage = 1.0, 1.2, 1.8, 2.5, and 3.3
Absolute Maximum Ratings
CHARACTERISTIC
Input Supply Voltage (Survival)
Maximum Output Current
Lead Temperature (Soldering, 5 sec)
Storage Temperature Range
Operating Junction Temperature Range
SYMBOL
V
IN
I
MAX
T
SOL
T
STG
T
JOPR
MIN.
-
-
-65
-40
MAX.
6.5
1
260
150
125
UNIT
V
A
ºC
ºC
ºC
* Calculated from package in still air, mounted to 2.6mm X 3.5mm(minimum foot print) 2 layer PCB without thermal vias per JESD51 standards.
Jul. 2011 – Preliminary
1/8
HTC