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PDF FP6146 Data sheet ( Hoja de datos )
| Número de pieza | FP6146 | |
| Descripción | 300mA Low Noise High PSRR LDO | |
| Fabricantes | Fiti | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de FP6146 (archivo pdf) en la parte inferior de esta página. Total 17 Páginas | ||
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fitipower integrated technology lnc.
FP6146
300mA LowLDNOoisweithHSighhutPdSo8Rw5RnT
Description
The FP6146 is a low dropout, low noise, high PSRR,
very low quiescent current positive linear regulator.
The FP6146 can supply 200mA output current with
low dropout voltage at about 300mV that optimized
for battery-powered systems or portable wireless
devices such as mobile phones. The shutdown
function can provide remote control for the external
signal to decide the on/off state of FP6146 that
consumes less than 0.1µA during shutdown mode.
The FP6146 regulator is able to operate with output
capacitors as small as 1µF for stability. Other than
the current limit protection, FP6146 also offers the on
chip thermal shutdown feature providing protection
against overload or any condition when the ambient
temperature exceeds the maximum junction
temperature.
The FP6146 offers high precision output voltage of
2%. It is housed in low-profile, space-saving
SOT-23-3, SOT-23-5, TSOT-23-5, TDFN-6
(1.6mm×1.6mm), SC-82-4 and SC-70-5 packages.
Pin Assignments
S5 Package (SOT-23-5)
VOUT
NC
54
1 23
VIN GND SHDN
S3 Package (SOT-23-3)
VIN
3
1
2
GND VOUT
Features
Low Dropout Voltage of 300mV at 200mA
Low 30μVrms Output Noise
Guaranteed 300mA Output Current
High Power Supply Rejection Ratio of 70dB at
10kHz
Very Low Quiescent Current at 35µA
Max. 2% Output Voltage Accuracy
Needs Only 1µF Capacitor for Stability
Fast Response in Line/Load Transient
Thermal Shutdown Protection
Current Limit Protection
Low-ESR Ceramic Capacitor for Output Stability
Miniature Packages:
SOT-23-3, SOT-23-5, TSOT-23-5, TDFN-6
(1.6mm×1.6mm), SC-82-4 and SC-70-5
RoHS Compliant
Applications
Mobile Phones
Notebook, Sub-Notebook and Tablet Computers
DSC
Portable Information Appliances
Battery Power Systems
Ordering Information
FP6146-□□□□
TR: Tape/Reel
G: Green
Package Type
S3: SOT-23-3
S5: SOT-23-5
S8: TSOT-23-5
WD: TDFN-6 (1.6mm×1.6mm)
C8: SC-82-4
C5: SC-70-5
Output Voltage
11: 1.1V 27: 2.7V
12: 1.2V 28: 2.8V
15: 1.5V 30: 3.0V
18: 1.8V 31: 3.1V
25: 2.5V 33: 3.3V
26: 2.6V 36: 3.6V
Note 1: Please consult Fitipower sales office or authorized
distributors for availability of special output voltages.
FP6146-2.1-APR-2014
1
1 page  
fitipower integrated technology lnc.
FP6146
Absolute Maximum Ratings
85T
● VIN,
to GND --------------------------------------------------------------------------------------------- +6V
● Power Dissipation @TA =25ºC, (PD)
SOT-23-3 ------------------------------------------------------------------------------------------------- +0.4W
SOT-23-5 ------------------------------------------------------------------------------------------------- +0.4W
TSOT-23-5 ----------------------------------------------------------------------------------------------- +0.4W
TDFN-6 (1.6mm×1.6mm) ---------------------------------------------------------------------------- +0.63W
SC-82-4 -------------------------------------------------------------------------------------------------- +0.2W
SC-70-5 -------------------------------------------------------------------------------------------------- +0.3W
● Package Thermal Resistance, (θJA)
SOT-23-3 ------------------------------------------------------------------------------------------------- +250ºC/W
SOT-23-5 ------------------------------------------------------------------------------------------------- +250ºC/W
TSOT-23-5 ----------------------------------------------------------------------------------------------- +250ºC/W
TDFN-6 (1.6mm×1.6mm) ---------------------------------------------------------------------------- +160ºC/W
SC-82-4 -------------------------------------------------------------------------------------------------- +500ºC/W
SC-70-5 -------------------------------------------------------------------------------------------------- +330ºC/W
● Maximum Junction Temperature (TJ) ------------------------------------------------------------------------ +150ºC
● Storage Temperature Range (TSTG) -------------------------------------------------------------------------- -65ºC to +150ºC
● Lead Temperature (Soldering, 10 sec.) (TLEAD) ------------------------------------------------------------ +260ºC
Note 3： tresses beyond those listed under “Absolute Maximum Ratings" may cause permanent damage to the device.
Recommended Operating Conditions
● Input Voltage (VIN) ------------------------------------------------------------------------------------------------ +2.0V to +5.5V
● Operating Temperature Range (TOPR) ----------------------------------------------------------------------- -40ºC to +85ºC
FP6146-2.1-APR-2014
5
5 Page 
fitipower integrated technology lnc.
FP6146
Application Information
The FP6146 is a low dropout linear regulator that
could provide 200mA output current at dropout
voltage about 300mV. Current limit and on chip
thermal shutdown features provide protection
against any combination of overload or ambient
temperature that could exceed maximum junction
temperature.
1. Output and Input Capacitor
The FP6146 regulator is designed to be stable with a
wide range of output capacitors. The ESR of the
output capacitor affects stability. Larger value of the
output capacitor decreases the peak deviations and
improves transient response for larger current
changes.
The capacitor types (aluminum, ceramic, and
tantalum) have different characterizations such as
temperature and voltage coefficients. All ceramic
capacitors are manufactured with a variety of
dielectrics, each with different behavior across
temperature and applications. Common dielectrics
used are X5R, X7R and Y5V. It is recommended to
use 1µF to 10µF X5R or X7R dielectric ceramic
capacitors with 30m to 50m ESR range between
device outputs and ground for stability. The
FP6146 is designed to be stable with low ESR
ceramic capacitors and higher values of capacitors
and ESR could improve output stability. The ESR of
output capacitor is very important because it
generates a zero to provide phase lead for loop
stability.
There are no requirements for the ESR on the input
capacitor, but its voltage and temperature coefficient
have to be considered for device application
environment.
85T
2. Protection Features
In order to prevent overloading or thermal condition
from damaging the device, FP6146 has internal
thermal and current limiting functions designed to
protect the device. It will rapidly shut off PMOS
pass element during over-temperature condition.
3. Thermal Consideration
The power handling capability of the device will be
limited by allowable operation junction temperature
(125ºC). The power dissipated by the device will
be estimated by PD=IOUT(VIN-VOUT). The power
dissipation should be lower than the maximum
power dissipation listed in “Absolute Maximum
Ratings” section.
4. Shutdown Operation
The FP6146 is shutdown by pulling the
input low, and turned on by driving the
high.
If pin floating, the FP6146 will shut down
because
pin has built-in a pull low resistor
(refer to Block Diagram).
FP6146-2.1-APR-2014
11
11 Page | ||
| Páginas | Total 17 Páginas | |
| PDF Descargar | [ Datasheet FP6146.PDF ] | |
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