JAJSH63C JULY   2012  – April 2019 TPS53015

PRODUCTION DATA.  

  1. 1 特長
  2. 2 アプリケーション
  3. 3 概要
    1.     Device Images
      1.      アプリケーション概略図
  4. 4 改訂履歴
  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 Drivers
      2. 7.3.2 5-Volt Regulator
      3. 7.3.3 Soft-Start and Pre-biased Soft-Start Time
      4. 7.3.4 Overcurrent Protection
      5. 7.3.5 Overvoltage and Undervoltage Protection
      6. 7.3.6 UVLO Protection
      7. 7.3.7 Thermal Shutdown
      8. 7.3.8 Power Good
    4. 7.4 Device Functional Modes
      1. 7.4.1 PWM Operation
      2. 7.4.2 Auto-skip Eco-Mode Control
  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 Determine the Inductance Value
        2. 8.2.2.2 Output Capacitor
        3. 8.2.2.3 Input Capacitor
        4. 8.2.2.4 Bootstrap Capacitor
        5. 8.2.2.5 VREG5 Capacitor
        6. 8.2.2.6 Choose Output Voltage Resistors
      3. 8.2.3 Application Curves
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
  11. 11デバイスおよびドキュメントのサポート
    1. 11.1 商標
    2. 11.2 静電気放電に関する注意事項
    3. 11.3 Glossary
  12. 12メカニカル、パッケージ、および注文情報

パッケージ・オプション

メカニカル・データ（パッケージ｜ピン）
サーマルパッド・メカニカル・データ
発注情報

8.2.1 Design Requirements

Table 2. TPS53015 Design Requirements

PARAMETER TEST CONDITIONS MIN TYP MAX UNITS
INPUT CHARACTERISTICS
Voltage range 8.0 12 22 V
Maximum input current VIN = 12 V, IOUT = 8 A 0.9 A
No load input current VIN = 12 V, IOUT = 0 A 0.6 mA
OUTPUT CHARACTERISTICS
Output voltage 1.05 V
Output voltage regulation Setpoint accuracy
(VIN = 12 V, IOUT = 8 A)		 -2% 2%
Line regulation
(VIN = 8.0 V – 22 V, IOUT = 8 A)		 1%
Load regulation
(VIN = 12 V, IOUT = 0 A – 8 A)		 1.5%
Output voltage ripple VIN = 12 V, IOUT = 8 A 20 mVpp
Output load current 0 8.0 A
Overcurrent limit VIN = 12 V 11
SYSTEMS CHARACTERISTICS
Switching frequency 500 kHz
Peak efficiency VIN = 12 V, IOUT = 3.2 A 86.5%
Full load efficiency VIN = 12 V, IOUT = 8.0 A 81.4%
Operating temperature 25 ºC