ZHCS760H
February 2012 – June 2018
TLV62130
,
TLV62130A
PRODUCTION DATA.
1
特性
2
应用
3
说明
Device Images
典型应用原理图
效率与输出电流间的关系
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
Typical Characteristics
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Enable / Shutdown (EN)
8.3.2
Soft Start / Tracking (SS/TR)
8.3.3
Power Good (PG)
8.3.4
Pin-Selectable Output Voltage (DEF)
8.3.5
Frequency Selection (FSW)
8.3.6
Undervoltage Lockout (UVLO)
8.3.7
Thermal Shutdown
8.4
Device Functional Modes
8.4.1
Pulse Width Modulation (PWM) Operation
8.4.2
Power Save Mode Operation
8.4.3
100% Duty-Cycle Operation
8.4.4
Current Limit and Short Circuit Protection
9
Application and Implementation
9.1
Application Information
9.2
Typical Application
9.2.1
Design Requirements
9.2.2
Detailed Design Procedure
9.2.2.1
Custom Design With WEBENCH® Tools
9.2.2.2
Programming the Output Voltage
9.2.2.3
External Component Selection
9.2.2.3.1
Inductor Selection
9.2.2.3.2
Capacitor Selection
9.2.2.3.2.1
Output Capacitor
9.2.2.3.2.2
Input Capacitor
9.2.2.3.2.3
Soft Start Capacitor
9.2.2.4
Tracking Function
9.2.2.5
Output Filter and Loop Stability
9.2.3
Application Curves
9.3
System Examples
9.3.1
LED Power Supply
9.3.2
Active Output Discharge
9.3.3
Inverting Power Supply
9.3.4
Various Output Voltages
10
Power Supply Recommendations
11
Layout
11.1
Layout Guidelines
11.2
Layout Example
11.3
Thermal Considerations
12
器件和文档支持
12.1
器件支持
12.1.1
第三方米6体育平台手机版_好二三四免责声明
12.1.2
开发支持
12.1.2.1
使用 WEBENCH® 工具创建定制设计
12.2
接收文档更新通知
12.3
文档支持
12.3.1
相关文档
12.4
相关链接
12.5
社区资源
12.6
商标
12.7
静电放电警告
12.8
术语表
13
机械、封装和可订购信息
9.2.3
Application Curves
V
IN
= 12 V, V
OUT
= 3.3 V, T
A
= 25°C, (unless otherwise noted)
Figure 8.
Efficiency With 1.25 MHz, Vout = 5 V
Figure 10.
Efficiency With 2.5 MHz, Vout = 5 V
Figure 12.
Efficiency With 1.25 MHz, Vout = 3.3 V
Figure 14.
Efficiency With 2.5 MHz, Vout = 3.3 V
Figure 16.
Efficiency With 1.25 MHz, Vout = 1.8 V
Figure 18.
Efficiency With 1.25 MHz, Vout = 0.9 V
Figure 20.
Output Voltage Accuracy (Load Regulation)
FSW=Low
Figure 22.
Switching Frequency
Figure 24.
Output Voltage Ripple
Iout=1A
Figure 26.
Power Supply Rejection Ratio, F
SW
= 2.5 MHz
Figure 28.
PWM-PSM-Transition
(V
IN
= 12 V, V
OUT
=3.3 V with 50 mV/Div)
Figure 30.
Load Transient Response of
Figure 29
,
Rising Edge
Figure 32.
Startup into 100 mA
Figure 34.
Typical Operation in PWM Mode
(I
OUT
= 1 A)
Figure 36.
Maximum Ambient Temperature (F
SW
= 2.5 MHz)
Figure 9.
Efficiency With 1.25 MHz, Vout = 5 V
Figure 11.
Efficiency With 2.5 MHz, Vout = 5 V
Figure 13.
Efficiency With 1.25 MHz, Vout = 3.3 V
Figure 15.
Efficiency With 2.5 MHz, Vout = 3.3 V
Figure 17.
Efficiency With 1.25 MHz, Vout = 1.8 V
Figure 19.
Efficiency With 1.25 MHz, Vout = 0.9 V
Figure 21.
Output Voltage Accuracy (Line Regulation)
FSW=Low
Figure 23.
Switching Frequency
Figure 25.
Maximum Output Current
Iout=0.1A
Figure 27.
Power Supply Rejection Ratio, F
SW
= 2.5 MHz
Figure 29.
Load Transient Response
(I
OUT
= 0.5 to 3 to 0.5 A)
Figure 31.
Load Transient Response of
Figure 29
,
Falling Edge
Figure 33.
Startup into 3 A
Figure 35.
Typical Operation in Power Save Mode
(I
OUT
= 10 mA)
Figure 37.
Maximum Ambient Temperature (F
SW
= 2.5 MHz)
sp
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