ZHCSIN0 August   2018 TPS62810-Q1 , TPS62812-Q1

ADVANCE INFORMATION for pre-production products; subject to change without notice.  

  1. 特性
  2. 应用
  3. 说明
    1.     Device Images
      1.      原理图
      2.      效率与输出电流间的关系;VOUT = 3.3V;PWM/PFM;fS = 2.25MHz
  4. 修订历史记录
  5. Device Comparison Table
  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. Parameter Measurement Information
    1. 8.1 Schematic
  9. Detailed Description
    1. 9.1 Overview
    2. 9.2 Functional Block Diagram
    3. 9.3 Feature Description
      1. 9.3.1 Precise Enable
      2. 9.3.2 COMP/FSET
      3. 9.3.3 MODE / SYNC
      4. 9.3.4 Spread Spectrum Clocking (SSC); optional
      5. 9.3.5 Undervoltage Lockout (UVLO)
      6. 9.3.6 Power Good Output (PG)
      7. 9.3.7 Thermal Shutdown
    4. 9.4 Device Functional Modes
      1. 9.4.1 Pulse Width Modulation (PWM) Operation
      2. 9.4.2 Power Save Mode Operation (PWM/PFM)
      3. 9.4.3 100% Duty-Cycle Operation
      4. 9.4.4 Current Limit and Short Circuit Protection
      5. 9.4.5 Fold-back Current Limit and Short Circuit Protection
      6. 9.4.6 Output Discharge
      7. 9.4.7 Soft Start / Tracking (SS/TR)
  10. 10Application and Implementation
    1. 10.1 Application Information
      1. 10.1.1 Programming the Output Voltage
      2. 10.1.2 External Component Selection
      3. 10.1.3 Inductor Selection
      4. 10.1.4 Capacitor Selection
        1. 10.1.4.1 Input Capacitor
        2. 10.1.4.2 Output Capacitor
    2. 10.2 Typical Application
      1. 10.2.1 Design Requirements
      2. 10.2.2 Detailed Design Procedure
      3. 10.2.3 Application Curves
    3. 10.3 System Examples
      1. 10.3.1 Voltage Tracking
  11. 11Power Supply Recommendations
  12. 12Layout
    1. 12.1 Layout Guidelines
    2. 12.2 Layout Example
  13. 13器件和文档支持
    1. 13.1 器件支持
      1. 13.1.1 第三方产品免责声明
    2. 13.2 文档支持
      1. 13.2.1 相关文档
    3. 13.3 相关链接
    4. 13.4 接收文档更新通知
    5. 13.5 社区资源
    6. 13.6 商标
    7. 13.7 静电放电警告
    8. 13.8 术语表
    9. 13.9 勘误
  14. 14机械、封装和可订购信息

封装选项

机械数据 (封装 | 引脚)
  • RWY|9
散热焊盘机械数据 (封装 | 引脚)
订购信息

Application Curves

All plots have been taken with a nominal switching frequency of 2.25 MHz when set to PWM mode, unless otherwise noted. The BOM is according to Table 1

TPS62810-Q1 TPS62812-Q1 D001-SLVSDU1_TPS62810-01.gif
VOUT = 3.3 V PFM TA = 25 °C
Figure 5. Efficiency vs Output Current
TPS62810-Q1 TPS62812-Q1 D002-SLVSDU1_TPS62810-01.gif
VOUT = 1.8 V PFM TA = 25 °C
Figure 7. Efficiency vs Output Current
TPS62810-Q1 TPS62812-Q1 D003-SLVSDU1_TPS62810-01.gif
VOUT = 1.2 V PFM TA = 25 °C
Figure 9. Efficiency vs Output Current
TPS62810-Q1 TPS62812-Q1 D004-SLVSDU1_TPS62810-01.gif
VOUT = 1.0 V PFM TA = 25 °C
Figure 11. Efficiency vs Output Current
TPS62810-Q1 TPS62812-Q1 D006-SLVSDU1_TPS62810-01.gif
VOUT = 0.6 V PFM TA = 25 °C
Figure 13. Efficiency vs Output Current
TPS62810-Q1 TPS62812-Q1 D013-SLVSDU1_TPS62810-01.gif
VOUT = 3.3 V PFM TA = 25 °C
Figure 15. Output Voltage vs Output Current
TPS62810-Q1 TPS62812-Q1 D014-SLVSDU1_TPS62810-01.gif
VOUT = 1.8 V PFM TA = 25 °C
Figure 17. Output Voltage vs Output Current
TPS62810-Q1 TPS62812-Q1 D015-SLVSDU1_TPS62810-01.gif
VOUT = 1.2 V PFM TA = 25 °C
Figure 19. Output Voltage vs Output Current
TPS62810-Q1 TPS62812-Q1 D016-SLVSDU1_TPS62810-01.gif
VOUT = 1.0 V PFM TA = 25 °C
Figure 21. Output Voltage vs Output Current
TPS62810-Q1 TPS62812-Q1 D018-SLVSDU1_TPS62810-01.gif
VOUT = 0.6 V PFM TA = 25 °C
Figure 23. Output Voltage vs Output Current
TPS62810-Q1 TPS62812-Q1 TPS62810_A0_4A_Vin_5V0_Vout_3V3_PFM_0A4_to_3A6_new.gif
VOUT = 3.3 V PFM TA = 25 °C
VIN = 5.0 V IOUT = 0.4 A to 3.6 A to 0.4 A
Figure 25. Load Transient Response
TPS62810-Q1 TPS62812-Q1 TPS62810_A0_4A_Vin_5V0_Vout_1V8_PFM_0A4_to_3A6.gif
VOUT = 1.8 V PFM TA = 25 °C
VIN = 5.0 V IOUT = 0.4 A to 3.6 A to 0.4 A
Figure 27. Load Transient Response
TPS62810-Q1 TPS62812-Q1 TPS62810_A0_4A_Vin_5V0_Vout_1V2_PFM_0A4_to_3A6.gif
VOUT = 1.2 V PFM TA = 25 °C
VIN = 5.0 V IOUT = 0.4 A to 3.6 A to 0.4 A
Figure 29. Load Transient Response
TPS62810-Q1 TPS62812-Q1 TPS62810_A0_4A_Vin_5V0_Vout_1V0_PFM_0A4_to_3A6.gif
VOUT = 1.0 V PFM TA = 25 °C
VIN = 5.0 V IOUT = 0.4 A to 3.6 A to 0.4 A
Figure 31. Load Transient Response
TPS62810-Q1 TPS62812-Q1 TPS62810_A0_4A_Vin_3V3_Vout_0V6_PFM_0A4_to_3A6.gif
VOUT = 0.6 V PFM TA = 25 °C
VIN = 3.3 V IOUT = 0.4 A to 3.6 A to 0.4 A
Figure 33. Load Transient Response
TPS62810-Q1 TPS62812-Q1 TPS62810_line_trans_Vout_3V3_Vin_4V5_to5V5_Load_500mA_RiseFall_10u_PFM.gif
VOUT = 3.3 V PFM TA = 25 °C
IOUT = 0.5 A VIN = 4.5 V to 5.5 V to 4.5 V
Figure 35. Line Transient Response
TPS62810-Q1 TPS62812-Q1 TPS62810_line_trans_Vout_1V8_Vin_4V5_to5V5_Load_500mA_RiseFall_10u_PFM.gif
VOUT = 1.8 V PFM TA = 25 °C
IOUT = 0.5 A VIN = 4.5 V to 5.5 V to 4.5 V
Figure 37. Line Transient Response
TPS62810-Q1 TPS62812-Q1 TPS62810_line_trans_Vout_1V2_Vin_4V5_to5V5_Load_500mA_RiseFall_10u_PFM.gif
VOUT = 1.2 V PFM TA = 25 °C
IOUT = 0.5 A VIN = 4.5 V to 5.5 V to 4.5 V
Figure 39. Line Transient Response
TPS62810-Q1 TPS62812-Q1 TPS62810_line_trans_Vout_1V0_Vin_4V5_to5V5_Load_500mA_RiseFall_10u_PFM.gif
VOUT = 1.0 V PFM TA = 25 °C
IOUT = 0.5 A VIN = 4.5 V to 5.5 V to 4.5 V
Figure 41. Line Transient Response
TPS62810-Q1 TPS62812-Q1 TPS62810_line_trans_Vout_0V6_Vin_3V0_to3V6_Load_500mA_RiseFall_10u_PFM.gif
VOUT = 0.6 V PFM TA = 25 °C
IOUT = 0.5 A VIN = 3.0 V to 3.6 V to 3.0 V
Figure 43. Line Transient Response
TPS62810-Q1 TPS62812-Q1 Vout_3V3_Vin5V0_PFM_500mA.gif
VOUT = 3.3 V PFM TA = 25 °C
IOUT = 0.5 A VIN = 5.0 V BW = 20 MHz
Figure 45. Output Voltage Ripple
TPS62810-Q1 TPS62812-Q1 Vout_1V8_Vin5V0_PFM_500mA.gif
VOUT = 1.8 V PFM TA = 25 °C
IOUT = 0.5 A VIN = 5.0 V BW = 20 MHz
Figure 47. Output Voltage Ripple
TPS62810-Q1 TPS62812-Q1 Vout_1V2_Vin5V0_PFM_500mA.gif
VOUT = 1.2 V PFM TA = 25 °C
IOUT = 0.5 A VIN = 5.0 V BW = 20 MHz
Figure 49. Output Voltage Ripple
TPS62810-Q1 TPS62812-Q1 Vout_1V0_Vin5V0_PFM_500mA.gif
VOUT = 1.0 V PFM TA = 25 °C
IOUT = 0.5 A VIN = 5.0 V BW = 20 MHz
Figure 51. Output Voltage Ripple
TPS62810-Q1 TPS62812-Q1 Vout_0V6_Vin3V3_PFM_500mA.gif
VOUT = 0.6 V PFM TA = 25 °C
IOUT = 0.5 A VIN = 3.3 V BW = 20 MHz
Figure 53. Output Voltage Ripple
TPS62810-Q1 TPS62812-Q1 D007-SLVSDU1_TPS62810-01.gif
VOUT = 3.3 V PWM TA = 25 °C
Figure 6. Efficiency vs Output Current
TPS62810-Q1 TPS62812-Q1 D008-SLVSDU1_TPS62810-01.gif
VOUT = 1.8 V PWM TA = 25 °C
Figure 8. Efficiency vs Output Current
TPS62810-Q1 TPS62812-Q1 D009-SLVSDU1_TPS62810-01.gif
VOUT = 1.2 V PWM TA = 25 °C
Figure 10. Efficiency vs Output Current
TPS62810-Q1 TPS62812-Q1 D010-SLVSDU1_TPS62810-01.gif
VOUT = 1.0 V PWM TA = 25 °C
Figure 12. Efficiency vs Output Current
TPS62810-Q1 TPS62812-Q1 D012-SLVSDU1_TPS62810-01.gif
VOUT = 0.6 V PWM TA = 25 °C
Figure 14. Efficiency vs Output Current
TPS62810-Q1 TPS62812-Q1 D019-SLVSDU1_TPS62810-02.gif
VOUT = 3.3 V PWM TA = 25 °C
Figure 16. Output Voltage vs Output Current
TPS62810-Q1 TPS62812-Q1 D020-SLVSDU1_TPS62810-02.gif
VOUT = 1.8 V PWM TA = 25 °C
Figure 18. Output Voltage vs Output Current
TPS62810-Q1 TPS62812-Q1 D021-SLVSDU1_TPS62810-01.gif
VOUT = 1.2 V PWM TA = 25 °C
Figure 20. Output Voltage vs Output Current
TPS62810-Q1 TPS62812-Q1 D022-SLVSDU1_TPS62810-01.gif
VOUT = 1.0 V PWM TA = 25 °C
Figure 22. Output Voltage vs Output Current
TPS62810-Q1 TPS62812-Q1 D024-SLVSDU1_TPS62810-01.gif
VOUT = 0.6 V PWM TA = 25 °C
Figure 24. Output Voltage vs Output Current
TPS62810-Q1 TPS62812-Q1 TPS62810_A0_4A_Vin_5V0_Vout_3V3_PWM_0A4_to_3A6_new.gif
VOUT = 3.3 V PWM TA = 25 °C
VIN = 5.0 V IOUT = 0.4 A to 3.6 A to 0.4 A
Figure 26. Load Transient Response
TPS62810-Q1 TPS62812-Q1 TPS62810_A0_4A_Vin_5V0_Vout_1V8_PWM_0A4_to_3A6.gif
VOUT = 1.8 V
PWM TA = 25 °C
VIN = 5.0 V IOUT = 0.4 A to 3.6 A to 0.4 A
Figure 28. Load Transient Response
TPS62810-Q1 TPS62812-Q1 TPS62810_A0_4A_Vin_5V0_Vout_1V2_PWM_0A4_to_3A6.gif
VOUT = 1.2 V
PWM TA = 25 °C
VIN = 5.0 V IOUT = 0.4 A to 3.6 A to 0.4 A
Figure 30. Load Transient Response
TPS62810-Q1 TPS62812-Q1 TPS62810_A0_4A_Vin_5V0_Vout_1V0_PWM_0A4_to_3A6.gif
VOUT = 1.0 V PWM TA = 25 °C
VIN = 5.0 V IOUT = 0.4 A to 3.6 A to 0.4 A
Figure 32. Load Transient Response
TPS62810-Q1 TPS62812-Q1 TPS62810_A0_4A_Vin_3V3_Vout_0V6_PWM_0A4_to_3A6.gif
VOUT = 0.6 V PWM TA = 25 °C
VIN = 3.3 V IOUT = 0.4 A to 3.6 A to 0.4 A
Figure 34. Load Transient Response
TPS62810-Q1 TPS62812-Q1 TPS62810_line_trans_Vout_3V3_Vin_4V5_to5V5_Load_4A_RiseFall_10u_FPWM.gif
VOUT = 3.3 V PWM TA = 25 °C
IOUT = 4 A VIN = 4.5 V to 5.5 V to 4.5 V
Figure 36. Line Transient Response
TPS62810-Q1 TPS62812-Q1 TPS62810_line_trans_Vout_1V8_Vin_4V5_to5V5_Load_4A_RiseFall_10u_FPWM.gif
VOUT = 1.8 V PWM TA = 25 °C
IOUT = 4 A VIN = 4.5 V to 5.5 V to 4.5 V
Figure 38. Line Transient Response
TPS62810-Q1 TPS62812-Q1 TPS62810_line_trans_Vout_1V2_Vin_4V5_to5V5_Load_4A_RiseFall_10u_FPWM.gif
VOUT = 1.2 V PWM TA = 25 °C
IOUT = 4 A VIN = 4.5 V to 5.5 V to 4.5 V
Figure 40. Line Transient Response
TPS62810-Q1 TPS62812-Q1 TPS62810_line_trans_Vout_1V0_Vin_4V5_to5V5_Load_4A_RiseFall_10u_FPWM.gif
VOUT = 1.0 V PWM TA = 25 °C
IOUT = 4 A VIN = 4.5 V to 5.5 V to 4.5 V
Figure 42. Line Transient Response
TPS62810-Q1 TPS62812-Q1 TPS62810_line_trans_Vout_0V6_Vin_3V0_to3V6_Load_4A_RiseFall_10u_FPWM.gif
VOUT = 0.6 V PWM TA = 25 °C
IOUT = 4 A VIN = 3.0 V to 3.6 V to 3.0 V
Figure 44. Line Transient Response
TPS62810-Q1 TPS62812-Q1 Vout_3V3_Vin5V0_FPWM_4A.gif
VOUT = 3.3 V PWM TA = 25 °C
IOUT = 4 A VIN = 5.0 V BW = 20 MHz
Figure 46. Output Voltage Ripple
TPS62810-Q1 TPS62812-Q1 Vout_1V8_Vin5V0_FPWM_4A.gif
VOUT = 1.8 V PWM TA = 25 °C
IOUT = 4 A VIN = 5.0 V BW = 20 MHz
Figure 48. Output Voltage Ripple
TPS62810-Q1 TPS62812-Q1 Vout_1V2_Vin5V0_FPWM_4A.gif
VOUT = 1.2 V PWM TA = 25 °C
IOUT = 4 A VIN = 5.0 V BW = 20 MHz
Figure 50. Output Voltage Ripple
TPS62810-Q1 TPS62812-Q1 Vout_1V0_Vin5V0_FPWM_4A.gif
VOUT = 1.0 V PWM TA = 25 °C
IOUT = 4 A VIN = 5.0 V BW = 20 MHz
Figure 52. Output Voltage Ripple
TPS62810-Q1 TPS62812-Q1 Vout_0V6_Vin3V3_FPWM_4A.gif
VOUT = 0.6 V PWM TA = 25 °C
IOUT = 4 A VIN = 3.3 V BW = 20 MHz
Figure 54. Output Voltage Ripple