SDLS972B
April 2023 – April 2024
LSF0102
PRODUCTION DATA
1
1
Features
2
Applications
3
Description
4
Pin Configuration and Functions
5
Specifications
5.1
Absolute Maximum Ratings
5.2
ESD Ratings
5.3
Recommended Operating Conditions
5.4
Thermal Information
5.5
Electrical Characteristics
5.6
LSF0102 AC Performance (Translating Down) Switching Characteristics , VCCB = 3.3V
5.7
LSF0102 AC Performance (Translating Down) Switching Characteristics, VCCB = 2.5V
5.8
LSF0102 AC Performance (Translating Up) Switching Characteristics, VCCB = 3.3V
5.9
LSF0102 AC Performance (Translating Up) Switching Characteristics, VCCB = 2.5V
5.10
Typical Characteristics
6
Parameter Measurement Information
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Auto Bidirectional Voltage Translation
7.3.2
Output Enable
7.4
Device Functional Modes
7.4.1
Up and Down Translation
7.4.1.1
Up Translation
7.4.1.2
Down Translation
8
Application and Implementation
8.1
Application Information
8.2
Typical Applications
8.2.1
Open-Drain Interface (I2C, PMBus, SMBus, and GPIO)
8.2.1.1
Design Requirements
8.2.1.1.1
Enable, Disable, and Reference Voltage Guidelines
8.2.1.1.2
Bias Circuitry
8.2.1.2
Detailed Design Procedure
8.2.1.2.1
Bidirectional Translation
8.2.1.2.2
Pull-Up Resistor Sizing
8.2.1.3
Application Curve
8.2.2
Mixed-Mode Voltage Translation
8.2.3
Single Supply Translation
8.2.4
Voltage Translation for Vref_B < Vref_A + 0.8V
8.3
Power Supply Recommendations
8.4
Layout
8.4.1
Layout Guidelines
8.4.2
Layout Example
9
Device and Documentation Support
9.1
Related Documentation
9.2
Receiving Notification of Documentation Updates
9.3
Support Resources
9.4
Trademarks
9.5
Electrostatic Discharge Caution
9.6
Glossary
10
Mechanical, Packaging, and Orderable Information
11
Revision History
5.6
LSF0102
AC Performance (Translating Down) Switching Characteristics , V
CCB
= 3.3V
over recommended operating free-air temperature range, V
CCB
= 3.3V, V
CCB
= V
IH
= V
ref_A
+ 1, V
IL
= 0, and V
M
= 0.5V
ref_A
(unless otherwise noted) (see
Figure 6-1
)
PARAMETER
FROM (INPUT)
TO (OUTPUT)
C
L
= 50pF
C
L
= 30pF
C
L
= 15pF
UNIT
TYP
MAX
TYP
MAX
TYP
MAX
t
PLH
A or B
B or A
1.1
0.7
0.3
ns
t
PHL
1.2
0.8
0.4