ZHCSJM9A
April 2019 – September 2019
TPS3840-Q1
PRODUCTION DATA.
1
特性
2
应用
3
说明
Device Images
典型应用电路
4
修订历史记录
5
Device Comparison Table
6
Pin Configuration and Functions
Pin Functions
7
Specifications
7.1
Absolute Maximum Ratings
7.2
ESD Ratings
7.3
Recommended Operating Conditions
7.4
Thermal Information
7.5
Electrical Characteristics
7.6
Timing Requirements
7.7
Typical Characteristics
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Input Voltage (VDD)
8.3.1.1
VDD Hysteresis
8.3.1.2
VDD Transient Immunity
8.3.2
User-Programmable Reset Time Delay
8.3.3
Manual Reset (MR) Input
8.3.4
Output Logic
8.3.4.1
RESET Output, Active-Low
8.3.4.2
RESET Output, Active-High
8.4
Device Functional Modes
8.4.1
Normal Operation (VDD > VDD(min))
8.4.2
VDD Between VPOR and VDD(min)
8.4.3
Below Power-On-Reset (VDD < VPOR)
9
Application and Implementation
9.1
Application Information
9.2
Typical Application
9.2.1
Design 1: Dual Rail Monitoring with Power-Up Sequencing
9.2.1.1
Design Requirements
9.2.1.2
Detailed Design Procedure
9.2.1.3
Application Curves
9.2.2
Design 2: Automotive Off-Battery Monitoring
9.2.2.1
Design Requirements
9.2.2.2
Detailed Design Procedure
9.2.2.3
Application Curves: TPS3840EVM
10
Power Supply Recommendations
11
Layout
11.1
Layout Guidelines
11.2
Layout Example
12
器件和文档支持
12.1
器件命名规则
12.2
社区资源
12.3
商标
12.4
静电放电警告
12.5
Glossary
13
机械、封装和可订购信息
封装选项
机械数据 (封装 | 引脚)
DBV|5
MPDS018T
散热焊盘机械数据 (封装 | 引脚)
订购信息
zhcsjm9a_oa
zhcsjm9a_pm
7.7
Typical Characteristics
Typical characteristics show the typical performance of the TPS3840-Q1 device. Test conditions are T
J
= 25°C, V
DD
= 3.3 V, R
pull-up
= 100 kΩ, C
Load
= 50 pF, unless otherwise noted.
Figure 6.
Supply Current vs Supply Voltage for TPS3840DL49-Q1
Figure 8.
Supply Current vs Supply Voltage for TPS3840PH49-Q1
Figure 10.
Negative-going Input Threshold Accuracy over Temperature for TPS3840PL-Q1
Figure 12.
Input Threshold V
IT-
Hysteresis Accuracy for TPS3840DL-Q1
Figure 14.
Input Threshold V
IT-
Hysteresis Accuracy for TPS3840PH-Q1
Figure 16.
Output Voltage vs Input Voltage for TPS3840PL49-Q1
Figure 18.
Low Level Output Voltage vs I
RESET
for TPS3840DL49-Q1
Figure 20.
Low Level Output Voltage vs I
RESET
for TPS3840PL49-Q1
Figure 22.
Low Level Output Voltage vs I
RESET
for TPS3840PH49-Q1
Figure 24.
High Level Output Voltage vs I
RESET
for TPS3840PL49-Q1
Figure 26.
High Level Output Voltage vs I
RESET
for TPS3840PH49-Q1
Figure 28.
Manual Reset Logic Low Voltage Threshold Over Temperature for TPS3840DL-Q1
Figure 30.
Manual Reset Logic Low Voltage Threshold Over Temperature for TPS3840PH-Q1
Figure 32.
Manual Reset Logic High Voltage Threshold Over Temperature for TPS3840PL-Q1
Figure 34.
Glitch Immunity on V
IT-
vs Overdrive (Data Taken with TPS3840PL28-Q1)
Figure 36.
Startup Delay Over Temperature
Figure 38.
Reset Time Delay vs Capacitor Value (Data Taken with TPS3840PL16-Q1)
Figure 40.
Reset Time Delay vs Large Capacitor Values (Data Taken with TPS3840PL16-Q1)
Figure 42.
Propagation Time Delay from
MR
Asserted to Reset Over Temperature
Figure 7.
Supply Current vs Supply Voltage for TPS3840PL49-Q1
Figure 9.
Negative-going Input Threshold Accuracy over Temperature for TPS3840DL-Q1
Figure 11.
Negative-going Input Threshold Accuracy over Temperature for TPS3840PH-Q1
Figure 13.
Input Threshold V
IT-
Hysteresis Accuracy for TPS3840PL-Q1
Figure 15.
Output Voltage vs Input Voltage for TPS3840DL49-Q1
Figure 17.
Output Voltage vs Input Voltage for TPS3840PH49-Q1
Figure 19.
Low Level Output Voltage vs V
DD
for TPS3840DL49-Q1
Figure 21.
Low Level Output Voltage vs VDD for TPS3840PL49-Q1
Figure 23.
Low Level Output Voltage vs VDD for TPS3840PH49-Q1
Figure 25.
High Level Output Voltage over Temperature for TPS3840PL49-Q1
Figure 27.
High Level Output Voltage Over Temperature for TPS3840PH49-Q1
Figure 29.
Manual Reset Logic Low Voltage Threshold Over Temperature for TPS3840PL-Q1
Figure 31.
Manual Reset Logic High Voltage Threshold Over Temperature for TPS3840DL-Q1
Figure 33.
Manual Reset Logic High Voltage Threshold Over Temperature for TPS3840PH-Q1
Figure 35.
CT Pin Internal Resistance Over Temperature
Figure 37.
Reset Time Delay with No Capacitor Over Temperature
Figure 39.
Reset Time Delay vs Small Capacitor Values (Data Taken with TPS3840PL16-Q1)
Figure 41.
Propagation Detect Time Delay for VDD Falling Below V
IT-
(High-to-Low) Over Temperature
Figure 43.
Propagation Time Delay from
MR
Release to Deasserted Reset Over Temperature
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