SLTS262K October   2005  – May 2026 PTH08T210W

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Pin Configuration and Functions
  6. 5 Specifications
    1. 5.1 Absolute Maximum Ratings
    2. 5.2 Recommended Operating Conditions
    3. 5.3 Electrical Characteristics
    4. 5.4 Typical Characteristics
    5. 5.5 Typical Characteristics
  7. 6 Detailed Description
    1. 6.1 Overview: TurboTrans™ Technology
    2. 6.2 Feature Description
      1. 6.2.1 Soft-Start Power Up
      2. 6.2.2 Remote Sense
  8. 7 Application and Implementation
    1. 7.1 Typical Application
      1. 7.1.1 Detailed Design Procedure
        1. 7.1.1.1 Capacitor Recommendations
          1. 7.1.1.1.1 Input Capacitor (Required)
          2. 7.1.1.1.2 TurboTrans Output Capacitor
          3. 7.1.1.1.3 Non-TurboTrans Output Capacitor
          4. 7.1.1.1.4 Ceramic Capacitors
          5. 7.1.1.1.5 Tantalum, Polymer-Tantalum Capacitors
          6. 7.1.1.1.6 Capacitor Table
          7. 7.1.1.1.7 Designing for Fast Load Transients
        2. 7.1.1.2 TurboTrans™ Selection
          1. 7.1.1.2.1 RTT Resistor Selection
          2. 7.1.1.2.2 RTT Resistor Selection
          3. 7.1.1.2.3 RTT Resistor Selection
        3. 7.1.1.3 Adjusting the Output Voltage
        4. 7.1.1.4 Undervoltage Lockout (UVLO)
        5. 7.1.1.5 UVLO Adjustment
        6. 7.1.1.6 Output On/Off Inhibit
        7. 7.1.1.7 Overcurrent Protection
        8. 7.1.1.8 Overtemperature Protection (OTP)
        9. 7.1.1.9 Auto-Track™ Function
          1. 7.1.1.9.1 How Auto-Track™ Works
          2. 7.1.1.9.2 Typical Application
          3. 7.1.1.9.3 Notes on Use of Auto-Track™
  9. 8 Device and Documentation Support
    1. 8.1 Receiving Notification of Documentation Updates
    2. 8.2 Support Resources
    3. 8.3 Trademarks
    4. 8.4 Electrostatic Discharge Caution
    5. 8.5 Glossary
  10. 9 Revision History
  11. 10Mechanical, Packaging, and Orderable Information
    1. 10.1 Tape and Reel and Tray Drawings
7.1.1.2.2 RTT Resistor Selection

The TurboTrans resistor value, RTT can be determined from the TurboTrans programming equation, see Equation 1.

CO values greater than or equal to 2350 μF require RTT to be a short, 0Ω. (Equation 1 will result in a negative value for RTT when CO ≥ 2350 μF.)

PTH08T210W Type C Capacitor
5000 ≤ C(μF) × ESR(mΩ) ≤ 10,000 12-V Input
Figure 7-6 Type C Capacitor
PTH08T210W Type C Capacitor
5000 ≤ C(μF) × ESR(mΩ) ≤ 10,000 8-V Input
Figure 7-7 Type C Capacitor
Table 7-4 Type C TurboTrans COValues and Required RTT Selection Table
Transient Voltage Deviation (mV) 12 V Input 8 V Input
25%
Load Step
(7.5 A)		 50%
Load Step
(15 A)		 75%
Load Step
(22.5 A)		 CO
Minimum Required Output Capacitance
(μF)		 RTT
Required TurboTrans
Resistor (Ω)		 CO
Minimum Required Output Capacitance
(μF)		 RTT
Required TurboTrans
Resistor (Ω)
80 160 240 470 open 520 294 k
70 140 210 560 158 k 620 93.1 k
60 120 180 680 63.4 k 750 45.3 k
50 100 150 850 31.6 k 940 24.3 k
40 80 120 1100 15.8 k 1300 10.2 k
35 70 105 1300 10.2 k 1500 6.65 k
30 60 90 1600 5.36 k 1800 3.32 k
25 50 75 2000 1.82 k 2200 698
20 40 60 4000 0 5400 0