ZHCSHC7
December 2017
LM25575-Q1
PRODUCTION DATA.
1
特性
2
应用
3
说明
Device Images
简化应用电路原理图
4
Revision History
5
Pin Configuration and Functions
Pin Functions
6
Specifications
6.1
Absolute Maximum Ratings
6.2
ESD Ratings
6.3
Recommended Operating Conditions
6.4
Thermal Information
6.5
Electrical Characteristics
6.6
Switching Characteristics
6.7
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
High Voltage Start-Up Regulator
7.4
Device Functional Modes
7.4.1
Shutdown and Stand-by Mode
7.4.2
Error Amplifier and PWM Comparator
7.4.3
Ramp Generator
7.4.4
Maximum Duty Cycle and Input Drop-out Voltage
7.4.5
Current Limit
7.4.6
Soft-Start
7.4.7
Boost Pin
7.4.8
Thermal Protection
8
Application and Implementation
8.1
Application Information
8.1.1
External Components
8.1.2
R3 (RT)
8.1.3
L1
8.1.4
C3 (CRAMP)
8.1.5
C9, C10
8.1.6
D1
8.1.7
C1, C2
8.1.8
C8
8.1.9
C7
8.1.10
C4
8.1.11
R5, R6
8.1.12
R1, R2, C12
8.1.13
R7, C11
8.1.14
R4, C5, C6
8.1.15
BIas Power Dissipation Reduction
8.2
Typical Application
8.2.1
Typical Schematic for High Frequency (1 MHz) Application
9
Layout
9.1
Layout Guidelines
9.1.1
PCB Layout and Thermal Considerations
9.2
Layout Example
10
Device and Documentation Support
10.1
器件支持
10.1.1
开发支持
10.1.1.1
使用 WEBENCH® 工具创建定制设计
10.2
Receiving Notification of Documentation Updates
10.3
社区资源
10.4
商标
10.5
静电放电警告
10.6
Glossary
11
机械、封装和可订购信息
封装选项
机械数据 (封装 | 引脚)
PWP|16
MPDS371A
散热焊盘机械数据 (封装 | 引脚)
PWP|16
PPTD288A
订购信息
zhcshc7_oa
zhcshc7_pm
6.2
ESD Ratings
VALUE
UNIT
V
(ESD)
Electrostatic discharge
Human-body model (HBM), per AEC Q100-002
(1)
±2
kV
(1)
AEC Q100-002 indicates that HBM stressing shall be in accordance with the ANSI/ESDA/JEDEC JS-001 specification.