ZHCSA37B August   2012  – August 2019 TPS63036

PRODUCTION DATA.  

  1. 1 特性
  2. 2 应用
  3. 3 说明
    1.     Device Images
      1.      T48 路多路复用 LC6948
      2.      效率与输出电流间的关系
  4. 4 修订历史记录
  5. 5 Pin Configuration and Functions
    1.     Pin Functions
  6. 6 Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 Electrical Characteristics
    6. 6.6 Typical Characteristics
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Device Enable
      2. 7.3.2 Overvoltage Protection
      3. 7.3.3 Undervoltage Lockout
      4. 7.3.4 Overtemperature Protection
    4. 7.4 Device Functional Modes
      1. 7.4.1 Soft-Start and Short Circuit Protection
      2. 7.4.2 Buck-Boost Operation
      3. 7.4.3 Control Loop
      4. 7.4.4 Power-Save Mode and Synchronization
  8. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
        1. 8.2.2.1 Inductor Selection
        2. 8.2.2.2 Capacitor Selection
          1. 8.2.2.2.1 Input Capacitor
          2. 8.2.2.2.2 Output Capacitor
        3. 8.2.2.3 Setting the Output Voltage
        4. 8.2.2.4 Current Limit
      3. 8.2.3 Application Curves
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
    3. 10.3 Thermal Considerations
  11. 11器件和文档支持
    1. 11.1 器件支持
      1. 11.1.1 第三方产品免责声明
    2. 11.2 社区资源
    3. 11.3 商标
    4. 11.4 静电放电警告
    5. 11.5 Glossary
  12. 12机械、封装和可订购信息

封装选项

机械数据 (封装 | 引脚)
散热焊盘机械数据 (封装 | 引脚)
订购信息

6.5 Electrical Characteristics

Over recommended free-air temperature range and over recommended input voltage range (typical at an ambient temperature range of 25°C) unless otherwise noted.
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
VIN Input voltage range 1.8(2) 5.5 V
VOUT Output voltage range 1.2 5.5 V
Duty cycle in step-down conversion 20%
VFB Feedback voltage PS/SYNC = VIN IOUT < 5 mA 495 500 505 mV
VFB Feedback voltage PS/SYNC = GND referenced to 500 mV IOUT < 5 mA -3% +6%
Load regulation PS/SYNC = GND 0.008 %/mA
f Oscillator frequency 1800 2000 2200 kHz
Frequency range for synchronization 2200 2400 2600 kHz
ISW Average input current limit VIN = 3.6 V, TA = 25°C(1) 1000 mA
High-side switch ON-resistance VIN = 3.6 V 200 mΩ
Low-side switch ON-resistance VIN = 3.6 V 200 mΩ
Line regulation 0.5%
Iq Quiescent current VIN IOUT= 0 mA, VEN = VIN = 3.6 V,
VOUT = 3.3 V		 25 35 μA
VOUT 4 6 μA
IS Shutdown current VEN = 0 V, VIN = 3.6 V 0.1 0.9 μA
CONTROL STAGE
VUVLO Undervoltage lockout threshold falling 1.4 1.5 1.6 V
Undervoltage lockout threshold raising 1.6 1.8 2.0 V
VIL EN, PS/SYNC input low voltage 0.4 V
VIH EN, PS/SYNC input high voltage 1.2 V
EN, PS/SYNC input current Clamped on GND or VIN 0.01 0.1 μA
Overtemperature protection 140 °C
Overtemperature hysteresis 20 °C
(1) For the minimum specified average input current limit at VOUT = 2.5 V, 3.3 V and 4.5 V refer to curve in Figure 1. For the maximum specified average input current limit at VOUT = 2.5 V, 3.3 V and 4.5 V refer to curve in Figure 2.
(2) The typical required supply voltage for start-up is 2 V. The part is functional down to 1.8 V.