ZHCSBE5D August 2013 – June 2025 TPS62090-Q1
PRODUCTION DATA
- 1
- 1 特性
- 2 應用
- 3 說明
- 4 Pin Configuration and Functions
- 5 Specifications
-
6 Detailed Description
- 6.1 Overview
- 6.2 Functional Block Diagram
- 6.3
Feature Description
- 6.3.1 Enable and Disable (EN)
- 6.3.2 Soft Start (SS) and Hiccup Current Limit During Start-Up
- 6.3.3 Voltage Tracking (SS)
- 6.3.4 Short-Circuit Protection (Hiccup Mode)
- 6.3.5 Output Discharge Function
- 6.3.6 Power Good Output (PG)
- 6.3.7 Frequency Set Pin (FREQ)
- 6.3.8 Undervoltage Lockout (UVLO)
- 6.3.9 Thermal Shutdown
- 6.3.10 Charge Pump (CP, CN)
- 6.4 Device Functional Modes
- 7 Application and Implementation
- 8 器件和文檔支持
- 9 Revision History
- 10Mechanical, Packaging, and Orderable Information
7.2.3 Application Curves
Figure 7-2 Efficiency vs Load Current
Figure 7-4 Efficiency vs Load Current
Figure 7-6 Efficiency vs Load Current
Figure 7-8 Output Voltage vs Load Current
Figure 7-10 PWM Operation
Figure 7-12 PFM Operation
Figure 7-14 Load
Sweep
| VO = 1.8 V / No Load | f = 1.4 MHz / L = 1 μH |
Figure 7-18 Hiccup Short-Circuit Protection
Figure 7-20 Load Transient Response
Figure 7-3 Efficiency vs Load Current
Figure 7-5 Efficiency vs Load Current
Figure 7-7 Efficiency vs Load Current
Figure 7-9 Output Voltage vs Load Current
Figure 7-11 PFM Operation
Figure 7-13 Load
Sweep
| VO = 1.8 V / 600 mA | f = 2.8 MHz / L = 1 μH | CSS = 10 nF |
Figure 7-17 Hiccup Short-Circuit Protection
Figure 7-19 Load Transient Response
Figure 7-21 Load Transient Response