ZHCSOE3E August 2021 – September 2023 LMR38020
PRODUCTION DATA
- 1
- 1 特性
- 2 應(yīng)用
- 3 說明
- 4 Revision History
- 5 Device Comparison Table
- 6 Pin Configuration and Functions
- 7 Specifications
-
8 Detailed Description
- 8.1 Overview
- 8.2 Functional Block Diagram
- 8.3
Feature Description
- 8.3.1 Fixed Frequency Peak Current Mode Control
- 8.3.2 Adjustable Output Voltage
- 8.3.3 Enable
- 8.3.4 Switching Frequency and Synchronization (RT/SYNC)
- 8.3.5 Power-Good Flag Output
- 8.3.6 Minimum On Time, Minimum Off Time, and Frequency Foldback
- 8.3.7 Bootstrap Voltage
- 8.3.8 Overcurrent and Short Circuit Protection
- 8.3.9 Soft Start
- 8.3.10 Thermal Shutdown
- 8.4 Device Functional Modes
- 9 Application and Implementation
- 10Device and Documentation Support
- 11Mechanical, Packaging, and Orderable Information
封裝選項(xiàng)
機(jī)械數(shù)據(jù) (封裝 | 引腳)
- DDA|8
散熱焊盤機(jī)械數(shù)據(jù) (封裝 | 引腳)
- DDA|8
訂購信息
9.2.3 Application Curves
Unless otherwise specified the following conditions apply: VIN = 48 V, L = 15 μH , TA = 25°C.
| LMR38020 | VOUT = 5 V | 400 kHz |
| LMR38020 | VOUT = 5 V AC Coupled | No Load |
| LMR38020 | VOUT = 5 V | 2 A to Short |
| LMR38020 FPWM | VOUT = 5 V Bias to 3 V | No Load |
| LMR38020 | VOUT = 5 V (AC Coupled) | 400 kHz |
| 200 mA to 1.8 A at 200 mA/μs | ||
| LMR38020 | VOUT = 5 V PFM Version | 400 kHz |
| LMR38020 | VOUT = 5 V | 400 kHz |
| LMR38020 | VOUT = 5 V AC Coupled | 400 kHz |
| LMR38020 | VOUT = 5 V | Short Recovery |
| LMR38020 | VOUT = 5 V | 400 kHz |
| LMR38020 | VOUT = 5 V (AC Coupled) | 400 kHz |
| 10 V to 70 V at 200 V/ms | ||
| LMR38020 | VOUT = 12 V PFM Version | 400 kHz |