ZHCSCZ1B june 2014 – may 2023 TPS65262-1
PRODUCTION DATA
- 1
- 1 特性
- 2 应用
- 3 说明
- 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 Adjusting the Output Voltage
- 8.3.2 Enable and Adjusting UVLO
- 8.3.3 Soft-Start Time
- 8.3.4 Power-Up Sequencing
- 8.3.5 V7V Low Dropout Regulator and Bootstrap
- 8.3.6 Out-of-Phase Operation
- 8.3.7 Output Overvoltage Protection (OVP)
- 8.3.8 PSM
- 8.3.9 Slope Compensation
- 8.3.10 Overcurrent Protection (OCP)
- 8.3.11 Power Good
- 8.3.12 Thermal Shutdown
- 8.4 Device Functional Modes
- 9 Application and Implementation
- 10Device and Documentation Support
- 11Mechanical, Packaging, and Orderable Information
9.2.3 Application Curves
Figure 9-2 BUCK1, Soft-Start With No Load
Figure 9-4 BUCK2, Soft-Start With No Load
Figure 9-6 BUCK3, Soft-Start With No Load
Figure 9-8 Buck1, Steady State Operation at Light Load
Figure 9-10 Buck2, Steady State Operation at Light Load
Figure 9-12 Buck3, Steady State Operation at Light Load
Figure 9-14 Buck1, Load Transient, 0.75 to 1.5 A SR = 0.25 A/µs
Figure 9-16 Buck2, Load Transient, 0.25 to 0.5 A SR = 0.25 A/µs
Figure 9-18 Buck3, Load Transient, 0.25 to 0.5 A SR = 0.25 A/µs
Figure 9-20 Buck1, OCP
Figure 9-22 Buck2, OCP
Figure 9-24 Buck3, OCP
Figure 9-26 Automatic Power Sequencing, MODE = EN1 = EN2 = HIGH
Figure 9-28 Automatic Power Sequencing, MODE = EN1 = HIGH, EN2 = LOW
Figure 9-30 Automatic Power Sequencing, MODE = EN2 = HIGH, EN1 = LOW
| Operating at VIN = 12 V, VOUT1 = 1.2 V / 1.5 A, VOUT2 = 1.8 V / 0.5 A, VOUT3 = 3.3 V / 0.5 A, |
| EVM Condition 4 Layers, 64 mm × 69 mm TA = 30.5°C |
Figure 9-3 BUCK1, Soft-Start With Full Load
Figure 9-5 BUCK2, Soft-Start With Full Load
Figure 9-7 BUCK3, Soft-Start With Full Load
Figure 9-9 Buck1, Steady State Operation at Full Load
Figure 9-11 Buck2, Steady State Operation at Full Load
Figure 9-13 Buck3, Steady State Operation at Full Load
Figure 9-15 Buck1, Load Transient, 1.5 to 2.25 A SR = 0.25 A/µs
Figure 9-17 Buck2, Load Transient, 0.5 to 0.75 A SR = 0.25 A/µs
Figure 9-19 Buck3, Load Transient, 0.5 to 0.75 A SR = 0.25 A/µs
Figure 9-21 Buck1, Hiccup and Recovery
Figure 9-23 Buck2, Hiccup and Recovery
Figure 9-25 Buck3, Hiccup and Recovery
Figure 9-27 Automatic Power Sequencing, MODE = EN1 = EN2 = HIGH
Figure 9-29 Automatic Power Sequencing, MODE = EN1 = HIGH, EN2 = LOW
Figure 9-31 Automatic Power Sequencing, MODE = EN2 = HIGH, EN1 = LOW
| Operating at VIN = 12 V, VOUT1 = 1.2 V / 3 A, VOUT2 = 1.8 V / 1 A, VOUT3 = 3.3 V / 1 A, |
| EVM Condition 4 Layers, 64 mm × 69 mm TA = 30.5°C |