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PDF LM27151 Data sheet ( Hoja de datos )
| Número de pieza | LM27151 | |
| Descripción | (LM27150 - LM27152) 1.5A Very L.D.O Voltage Regulator | |
| Fabricantes | HTC Korea | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de LM27151 (archivo pdf) en la parte inferior de esta página. Total 11 Páginas | ||
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1.5A Very L.D.O Voltage Regulator
FEATURES
High Current Capability 1.5A
Low Dropout Voltage 350mV
Low Ground Current
Accurate 1% Guaranteed Initial Tolerance
Extremely Fast Transient Response
Reverse-Battery and "Load Dump" Protection
Zero-Current Shutdown Mode(5-Pin Version)
Error Flag Signals Output out-of-Regulation
(5-Pin Version)
Also Characterized For Smaller Loads With Industry
-Leading Performance specifications
Fixed Voltage and Adjustable Versions
Moisture Sensitivity Level 3
LM27150/27151/27152
TO-220 3L / 5L PKG
TO-263 3L / 5L PKG
TO-252 3L / 5L PKG
APPLICATION
Battery Powered Equipment
High-Efficiency " Green" Computer System
Automotive Electronics
High-Efficiency Linear Power Supplies
High-Efficiency Post-Regulator For Switching Supply
DESCRIPSION
ORDERING INFORMATION
Device
Package
LM27150T-X.X
LM27151T-X.X
TO-220 3L / 5L
LM27152T
LM27150R-X.X
LM27151R-X.X
TO-263 3L / 5L
LM27152R
LM27150RS-X.X
LM27151RS-X.X
TO-252 3L / 5L
LM27152RS
X.X = Output Voltage = 1.5, 1.8, 2.5, 3.0, 3.3, 5.0, 12
The LM27150, LM27151 and LM27152 are high current, high accuracy, and low-dropout voltage regulators.
Using process with a PNP pass element, these regulators feature 350mV (full load) dropout voltages and very
low ground current. These devices also find applications in lower current, low dropout-critical systems, where
their tiny dropout voltage and ground current values are important attributes.
The LM27150, LM27151 and LM27152 are fully protected against over current faults, reversed input polarity,
reversed lead insertion, over temperature operation, and positive and negative transient voltage spikes.
LM27151 features logic level enable control and an error flag which signals whenever the output falls out of
regulation. On the LM27151 and LM27152, the ENABLE pin may be tied to Vin if it is not required for ON/OFF
control.
Absolute Maximum Ratings
CHARACTERISTIC
Input Supply Voltage
Lead Temperature(Soldering, 5 sec)
Storage Temperature Range
SYMBOL
VIN
TSOL
TSTG
MIN.
- 20
-
- 65
MAX.
+ 30
260
+ 150
UNIT
V
℃
℃
Dec. 2011 – Rev.1.3.1
-1 -
HTC
Free Datasheet http://www.datasheet4u.com/
1 page  
1.5A Very L.D.O Voltage Regulator
TYPICAL APPLICATION
- Typical Fixed Output Application
LM27150/27151/27152
- Typical Adjustable Output Application
VIN
+
CIN
LM27152
IN OUT
EN ADJ
GND
VOUT
R1
+
COUT
R2
VOUT = VREF x [1 + (R1/R2)] *
* For best results, the total series resistance should be small enough to pass the minimum regulator load current.
Dec. 2011 – Rev.1.3.1
- 5 - HTC
Free Datasheet http://www.datasheet4u.com/
5 Page 
1.5A Very L.D.O Voltage Regulator
LM27150/27151/27152
Enable input
LM27151 and LM27152 versions feature and enable (EN) input that allows ON/OFF control of the device.
Special design allows "zero" current drain when the device is disabled-only microamperes of leakage
current flows. The EN input has TTL/CMOS compatible thresholds for simple interfacing with logic, or may
be directly tied to ≤ 30V. Enabling the regulator requires approximately 20uA of current.
Dec. 2011 – Rev.1.3.1
- 11 -
HTC
Free Datasheet http://www.datasheet4u.com/
11 Page | ||
| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet LM27151.PDF ] | |
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