JAJSGE5C March   2019  – August 2019 TPS568230

PRODUCTION DATA.  

  1. 特長
  2. アプリケーション
  3. 概要
    1.     Device Images
      1.      代表的なアプリケーション
      2.      効率と出力電流との関係、 ECO-mode
  4. 改訂履歴
  5. 概要(続き)
  6. Pin Configuration and Functions
    1.     Pin Functions
  7. Specifications
    1. 7.1 Absolute Maximum Ratings
    2. 7.2 ESD Ratings
    3. 7.3 Recommended Operating Conditions
    4. 7.4 Thermal Information
    5. 7.5 Electrical Characteristics
    6. 7.6 Typical Characteristics
  8. Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 PWM Operation and D-CAP3 Control
      2. 8.3.2 Soft Start
      3. 8.3.3 Large Duty Operation
      4. 8.3.4 Power Good
      5. 8.3.5 Over Current Protection and Undervoltage Protection
      6. 8.3.6 Over Voltage Protection
      7. 8.3.7 UVLO Protection
      8. 8.3.8 Output Voltage Discharge
      9. 8.3.9 Thermal Shutdown
    4. 8.4 Device Functional Modes
      1. 8.4.1 Light Load Operation
      2. 8.4.2 Advanced Eco-mode Control
      3. 8.4.3 Out of Audio Mode
      4. 8.4.4 Force CCM Mode
      5. 8.4.5 Mode Selection
      6. 8.4.6 Standby Operation
  9. Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
        1. 9.2.2.1 External Component Selection
          1. 9.2.2.1.1 Output Voltage Set Point
          2. 9.2.2.1.2 Inductor Selection
          3. 9.2.2.1.3 Output Capacitor Selection
          4. 9.2.2.1.4 Input Capacitor Selection
      3. 9.2.3 Application Curves
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12デバイスおよびドキュメントのサポート
    1. 12.1 デバイス・サポート
      1. 12.1.1 デベロッパー・ネットワークの製品に関する免責事項
    2. 12.2 ドキュメントの更新通知を受け取る方法
    3. 12.3 コミュニティ・リソース
    4. 12.4 商標
    5. 12.5 静電気放電に関する注意事項
    6. 12.6 Glossary
  13. 13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

Electrical Characteristics

TJ =-40°C to 125°C, VVIN = 12 V, unless otherwise noted
PARAMETER TEST CONDITION MIN TYP MAX UNIT
SUPPLY CURRENT
VIN Input voltage range VIN 4.5 18 V
IVIN VIN supply current No load, VEN=3.3V, non-switching 105 uA
IVINSDN Shutdown supply current No load, VEN=0V 2 uA
VCC OUTPUT
VCC VCC output voltage VVIN>5.0V 4.85 5 5.15 V
VVIN=4.5V 4.5 V
ICC VCC current limit 20 mA
FEEDBACK VOLTAGE
VFB FB voltage TJ = 25°C 594 600 606 mV
TJ = -40°C to 125°C 592 600 611 mV
DUTY CYCLE and FREQUENCY CONTROL
FSW Switching frequency TJ = 25°C , FSW=600kHz,Vo=1V 600 kHz
TON(MIN) SW minumum on time TJ = 25°C 60 ns
TOFF(MIN) SW minimum off time VFB = 0.5 V 190 ns
MOSFET and DRIVERS
RDS(ON)H High side switch resistance TJ = 25°C 19.5
RDS(ON)L Low side switch resistance TJ = 25°C 9.5
OOA FUNCTION
TOOA OOA mode operation period 28 us
OUTPUT DISCHARGE and SOFT START
RDIS Discharge resistance TJ=25°C, VEN=0V 420 Ω
TSS Soft start time Internal soft-start time,SS floating 1.3 ms
ISS Soft start charge current 5 uA
POWER GOOD
TPGDLY PG start-up delay PG from low to high 1 ms
VPGTH PG threshold VFB falling (fault) 85 %
VFB rising (good) 90 %
VFB rising (fault) 115 %
VFB falling (good) 110 %
VPG_L PG sink current capability IOL =4mA 0.4 V
IPGLK PG leak current VPGOOD =5.5V 1 uA
CURRENT LIMIT
IOCL Over current threshold Valley current set point 8.1 9.8 12 A
INOCL Negative over current threshold 3.9 A
LOGIC THRESHOLD
VENH EN high-level input voltage 1.21 1.31 1.4 V
VENL EN low-level input voltage 0.95 1.11 1.19 V
IEN Enable internal pull down current VEN=0.8V 2 µA
OUTPUT UNDERVOLTAGE AND OVERVOLTAGE PROTECTION
VOVP OVP trip threshold 125 %
tOVPDLY OVP prop deglitch TJ=25°C 20 us
VUVP UVP trip threshold 60 %
tUVPDLY UVP prop deglitch 256 us
TUVPDEL Output hiccup delay relative to SS time 256 us
TUVPEN Output hiccup enable delay relative to SS time 7 cycle
UVLO
VUVLOVIN VIN UVLO threshold Wake up 4.2 4.4 V
Shutdown 3.6 3.8 V
Hysteresis 0.4 V
OVER TEMPERATURE PROTECTION
TOTP OTP trip threshold(1) Shutdown temperature 150 °C
TOTPHSY OTP hysteresis(1) Hysteresis 20 °C
Not production tested