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PDF STL6120E Data sheet ( Hoja de datos )
| Número de pieza | STL6120E | |
| Descripción | 500mA Adjustable & Fixed Voltage Linear LDO | |
| Fabricantes | Semtron | |
| Logotipo |  |
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STL6120E
500mA Adjustable & Fixed Voltage Linear LDO
■DESCRIPTION
■FEATURE
The STL6120E series is a low-dropout linear
regulator that operates in the input voltage range
from +2.5V to +7.0 and delivers 500mA output
current..
The STL6120E is available in two types, fixed
output voltage type and adjustable output voltage
type. The fixed output voltage type is preset at an
internally trimmed voltage 1.8V, 2.5V, or 3.3V.
Other options 1.0V, 1.2V, 1.5V, 2.85V, 3.0V and
3.6V are available by special order only. The output
voltage range of the adjustable type is from 1.25V
to 5V.
The STL6120E (ADJ type) consists of a 1.25V
bandgap reference, an error amplifier, and a P-
channel pass transistor. Other features include
short-circuit protection and thermal shutdown
protection.
The STL6120E (Fixed type) consists of a
0.95V bandgap reference, an error amplifier, and a
P-channel pass transistor. Other features include
short-circuit protection and thermal shutdown
protection. The STL6120E series devices are
available in SOT-89 packages.
Low Current Consumption: 30μA
Typical Dropout Voltage: 650mV@500mA
Fast Response in Power-on (Fixed only)
Output Current Limit Protection: 800mA
Thermal Overload Shutdown Protection
High Ripple Rejestion: 55dB
Low ESR Capacitor Compatible
■APPLICATIONS
Battery Powered Equipment.
Portable Information Application
PCMCIA & New Card
Mini PCI & PCI-Express Cards
Digital Still Camera
CDMA/GSM Cellular Handsets
Laptop, Palmtops, Notebook Computers
■PIN CONFIGURATION
VOUT
VIN
TOP VIEW
(L Type)
SOT-89
GND
■PART MARKING INFORMATION
STL6120E-XX XX-XX X
Lead Plating Code
Handling Code
Package Code
Voltage Code
VIN
VOUT
TOP VIEW
(R Type)
SOT-89
GND
Lead Plating Code
G : Lead-free & Halogen-free product
Handling Code
TR : Tape&Reel
Package Code
LK : “L” Type SOT-89
RK : “R” Type SOT-89
Voltage Code
XX : 15 / 18 / 25 / 285 / 30 / 33 / ADJ
STL6120E Rev.1.1
Copyright © Semtron Microtech Corp.
1
www.semtron-micro.com
1 page  
■TYPICAL APPLICATIONS
STL6120E
VIN
VIN STL6120E-XX VOUT
VOUT
CIN
GND/ADJ
COUT
1uF 3.3uF
VIN VIN STL6120E-ADJ VOUT
CIN
1uF
GND/ADJ
VREF
IADJ
VOUT
R1
COUT
3.3uF
R2
■APPLICATION INFORMATION
◆Detail Description
The STL6120E is a low-dropout linear regulator.
The device provides preset 1.8V, 2.5V and 3.3V
output voltages for output current up to 600mA.
Adjustable output voltage and other mask options
for special output voltages are also available. As
illustrated in function block diagram, it consists of a
1.25V bandgap (Fixed voltage type is 0.95V)
reference, an error amplifier, a P-channel pass
transistor and an internal feedback voltage divider.
The bandgap reference for adjustable voltage
type is connected to the error amplifier, which
compares this reference with the feedback voltage
and ampliies the voltage difference. If the feedback
voltage is lower than the reference voltage, the
pass-transistor gate is pulled lower, which allows
more current to pass to the output pin and
increasees the output voltage. If the feedback
voltage is too high, the pass transistor gate is pulled
up to decrease the output voltage.
The output voltage is feed back through an
internal resistive divider (or external resistive divider
for adjustable output voltage type) connected to
OUT pin. Additional blocks include an output current
limiter, thermal sensor, and shutdown logic.
◆Internal P-channel Pass Transistor
The STL6120E features a P-channel MOSFET
STL6120E Rev.1.1
Copyright © Semtron Microtech Corp.
5
www.semtron-micro.com
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet STL6120E.PDF ] | |
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