Texas Instruments LSF0102 Bedienungsanleitung
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LSF0102 2 Channel Auto-Bidirectional Multi-Voltage Level Translator
for Open-Drain and Push-Pull Applications
1 Features
•Provides bidirectional voltage translation with no
direction pin
•Supports up to 100MHz up translation and greater
than 100MHz down translation at
≤ 30pF capacitive load and up To 40MHz up or
down translation at 50pF capacitive load
•Allows bidirectional voltage-level translation
between
–0.95V ↔ 1.8/2.5/3.3/5V
–1.2V ↔ 1.8/2.5/3.3/5V
–1.8V ↔ 2.5/3.3/5V
–2.5V ↔ 3.3/5V
–3.3V ↔ 5V
•Low standby current
•5V tolerance I/O port to support TTL
•Low R
ON
provides less signal distortion
•High-impedance I/O pins for EN = Low
•Flow-through pinout for easy PCB trace routing
•Latch-up performance >100mA per JESD 17
•–40°C to 125°C operating temperature range
2 Applications
•GPIO, MDIO, PMBus, SMBus, SDIO, UART, I
2
C,
and other interfaces in telecom infrastructure
•Enterprise systems
•Communications equipment
•Personal electronics
•Industrial applications
3 Description
The LSF family of devices supports bidirectional
voltage translation without the need for DIR pin which
minimizes system effort (for PMBus, I
2
C, SMBus, and
so forth). The LSF family of devices supports up
to 100MHz up translation and greater than 100MHz
down translation at ≤ 30pF capacitive load and up
to 40MHz up or down translation at 50pF capacitive
load which allows the LSF family to support more
consumer or telecom interfaces (MDIO or SDIO).
LSF family supports 5V tolerance on I/O port which
makes it compatible with TTL levels in industrial and
telecom applications. The LSF family is able to set up
different voltage translation levels which makes it very
flexible.
Package Information
PART NUMBERPACKAGE
(1)
PACKAGE SIZE
(2)
LSF0102
DQE (X2SON, 8)1.4mm × 1mm
YZT (DSBGA, 8)1.98mm × 0.98mm
DCT (SM8, 8)2.95mm × 4mm
DCU (VSSOP, 8)2mm × 3.1mm
DDF (SOT-23, 8)2.9mm × 2.8mm
DTM (X2SON, 8)1.35mm x 0.80mm
(1)For more information, see Section 10.
(2)The package size (length × width) is a nominal value and
includes pins, where applicable.
V
REFA
27
V
REFB
SW
EN8
B1
SW
A1
B2A2
3
4
6
5
GND
1
Functional Block Diagram
LSF0102
SDLS972B – APRIL 2023 – REVISED APRIL 2024
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.
Produktspezifikationen
| Marke: | Texas Instruments |
| Kategorie: | Nicht kategorisiert |
| Modell: | LSF0102 |
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