ZHCSR90B
December 2022 – March 2023
TPSM33615
,
TPSM33625
PRODUCTION DATA
1
特性
2
应用
3
说明
4
Revision History
5
Device Comparison Table
6
Pin Configuration and 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
System Characteristics
7.7
Typical Characteristics
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Input Voltage Range
8.3.2
Output Voltage Selection
8.3.3
Input Capacitors
8.3.4
Output Capacitors
8.3.5
Enable, Start-Up, and Shutdown
8.3.6
External CLK SYNC (with MODE/SYNC)
8.3.6.1
Pulse-Dependent MODE/SYNC Pin Control
8.3.7
Switching Frequency (RT)
8.3.8
Power-Good Output Operation
8.3.9
Internal LDO, VCC and VOUT/FB Input
8.3.10
Bootstrap Voltage and VBOOT-UVLO (BOOT Terminal)
8.3.11
Spread Spectrum
8.3.12
Soft Start and Recovery from Dropout
8.3.12.1
Recovery from Dropout
8.3.13
Overcurrent Protection (Hiccup Mode)
8.3.14
Thermal Shutdown
8.4
Device Functional Modes
8.4.1
Shutdown Mode
8.4.2
Standby Mode
8.4.3
Active Mode
8.4.3.1
CCM Mode
8.4.3.2
Auto Mode – Light-Load Operation
8.4.3.2.1
Diode Emulation
8.4.3.2.2
Frequency Reduction
8.4.3.3
FPWM Mode – Light-Load Operation
8.4.3.4
Minimum On-Time (High Input Voltage) Operation
8.4.3.5
Dropout
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
Choosing the Switching Frequency
9.2.2.2
Setting the Output Voltage
9.2.2.3
Input Capacitor Selection
9.2.2.4
Output Capacitor Selection
9.2.2.5
VCC
9.2.2.6
CFF Selection
9.2.2.7
Power Good Signal
9.2.2.8
Maximum Ambient Temperature
9.2.2.9
Other Connections
9.2.3
Application Curves
9.3
Best Design Practices
9.4
Power Supply Recommendations
9.5
Layout
9.5.1
Layout Guidelines
9.5.1.1
Ground and Thermal Considerations
9.5.2
Layout Example
10
Device and Documentation Support
10.1
Device Support
10.1.1
第三方产品免责声明
10.1.2
Device Nomenclature
10.2
Documentation Support
10.2.1
Related Documentation
10.3
接收文档更新通知
10.4
支持资源
10.5
Trademarks
10.6
静电放电警告
10.7
术语表
11
Mechanical, Packaging, and Orderable Information
封装选项
机械数据 (封装 | 引脚)
RDN|11
MPQF642A
散热焊盘机械数据 (封装 | 引脚)
订购信息
zhcsr90b_oa
zhcsr90b_pm
1
特性
功能安全型
有助于进行功能安全系统设计的文档
多功能同步降压直流/直流模块:
集成 MOSFET、电感器、C
BOOT
电容器和控制器
宽输入电压范围:3V 至 36V
高达 40 V 的输入瞬态保护
结温范围为 –40°C 至 +125°C
4.5mm × 3.5mm × 2mm 超模压塑料封装
使用 RT 引脚可在 200kHz 至 2.2MHz 范围内调节频率
在整个负载范围内具有超高效率:
在 12V V
IN
、
5V V
OUT
、1MHz、I
OUT
= 2.5A 时效率高于 88%
在 V
IN
= 24V、
V
OUT
= 5V、1MHz、I
OUT
= 2.5A 时效率高于 87%
在 V
IN
= 13.5V 时待机 I
Q
低至 1.5µA
针对超低 EMI 要求进行了优化:
双随机展频 - DRSS
Flip-Chip On Lead (FCOL) 封装
电感器和启动电容器集成
符合 CISPR 11 B 类要求
输出电压和电流选项:
可调输出电压范围为 1V 至 15V
使用
TPSM336x5
并借助
WEBENCH®
Power Designer
创建定制设计方案
适用于可扩展电源:
与以下器件引脚兼容:
TPSM365R6(65V,600mA)