ZHCSB59E April   2011  – December 2015 TPS22924B , TPS22924C

PRODUCTION DATA.  

  1. 1 特性
  2. 2 应用
  3. 3 说明
  4. 4 修订历史记录
  5. 5 Device Comparison Table
  6. 6 Pin Configuration and Functions
  7. 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  Switching Characteristics, VIN = 3.6 V
    7. 7.7  Switching Characteristics, VIN = 0.9 V
    8. 7.8  Typical Characteristics
    9. 7.9  AC Characteristics (TPS22924B)
    10. 7.10 AC Characteristics (TPS22924C)
  8. 8 Parameter Measurement Information
  9. 9 Detailed Description
    1. 9.1 Overview
    2. 9.2 Functional Block Diagram
    3. 9.3 Feature Description
      1. 9.3.1 ON/OFF Control
      2. 9.3.2 Output Capacitor
      3. 9.3.3 Output Pulldown
    4. 9.4 Device Functional Modes
  10. 10Application and Implementation
    1. 10.1 Application Information
      1. 10.1.1 VIN to VOUT Voltage Drop
      2. 10.1.2 Input Capacitor
      3. 10.1.3 Output Capacitor
    2. 10.2 Typical Application
      1. 10.2.1 Design Requirements
      2. 10.2.2 Detailed Design Procedure
        1. 10.2.2.1 Managing Inrush Current
      3. 10.2.3 Application Curve
  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 相关链接
    2. 13.2 社区资源
    3. 13.3 商标
    4. 13.4 静电放电警告
    5. 13.5 Glossary
  14. 14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

7 Specifications

7.1 Absolute Maximum Ratings (1)

MIN MAX UNIT
VIN Input voltage range –0.3 4 V
VOUT Output voltage range VIN + 0.3 V
VON Input voltage range –0.3 4 V
IMAX Maximum continuous switch current, TA = –40°C to 85°C 2 A
IPLS Maximum pulsed switch current, 100-µs pulse, 2% duty cycle, TA = –40°C to 85°C 4 A
TA Operating free-air temperature range –40 85 °C
Tstg Storage temperature –65 150 °C
(1) Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under Recommended Operating Conditions is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.

7.2 ESD Ratings

VALUE UNIT
V(ESD) Electrostatic discharge Human body model (HBM), per ANSI/ESDA/JEDEC JS-001, all pins (1) ±5000 V
Charged device model (CDM), per JEDEC specification JESD22-C101, all pins (2) ±1000
(1) JEDEC document JEP155 states that 500-V HBM allows safe manufacturing with a standard ESD control process.
(2) JEDEC document JEP157 states that 250-V CDM allows safe manufacturing with a standard ESD control process.

7.3 Recommended Operating Conditions

MIN MAX UNIT
VIN Input voltage 0.75 3.6 V
VOUT Output voltage VIN V
VIH High-level input voltage, ON VIN = 2.5 V to 3.6 V 1.2 3.6 V
VIN = 0.75 V to 2.5 V 0.9 3.6
VIL Low-level input voltage, ON VIN = 2.5 V to 3.6 V 0.6 V
VIN = 0.75 V to 2.49 V 0.4
CIN Input capacitance 1 (1) μF
(1) See the Input Capacitor section in Application Information.

7.4 Thermal Information

THERMAL METRIC (1) TPS22924x UNIT
YZ/YZZ/YZP
6 PINS
RθJA Junction-to-ambient thermal resistance 123 °C/W
RθJC(top) Junction-to-case (top) thermal resistance 17.6
RθJB Junction-to-board thermal resistance 22.8
ψJT Junction-to-top characterization parameter 5.7
ψJB Junction-to-board characterization parameter 22.6
RθJC(bot) Junction-to-case (bottom) thermal resistance N/A
(1) For more information about traditional and new thermal metrics, see the IC Package Thermal Metrics application report, SPRA953.

7.5 Electrical Characteristics

VIN = 0.75 V to 3.6 V (unless otherwise noted)
PARAMETER TEST CONDITIONS TA MIN TYP (1) MAX UNIT
IIN Quiescent current IOUT = 0, VIN = VON VIN = 3.6 V Full 75 160 µA
VIN = 2.5 V 42 70
VIN = 1.8 V 50 350
VIN = 1.2 V 95 200
VIN = 1.0 V 65 110
VIN = 0.75 V 35 70
IIN(LEAK) OFF-state supply current VON = GND, OUT = 0V Full 3.5 µA
RON ON-state resistance IOUT = –200 mA VIN = 3.6 V 25°C 18.3 19.7 mΩ
Full 26.0
VIN = 2.5 V 25°C 18.5 19.5
Full 25.8
VIN = 1.8 V 25°C 19.6 21.8
Full 27.4
VIN = 1.2 V 25°C 19.4 21.8
Full 28.0
VIN = 1.0 V 25°C 20.3 21.2
Full 28.6
VIN = 0.75 V 25°C 22.7 25.3
Full 34.8
RPD Output pulldown resistance (2) VIN = 3.3 V, VON = 0, IOUT = 3 mA 25°C 1250 1500 Ω
ION ON-state input leakage current VON = 0.9 V to 3.6 V or GND Full 0.1 µA
(1) Typical values are at VIN = 3.3 V and TA = 25°C.
(2) See Output Pulldown in the Application and Implementation section.

7.6 Switching Characteristics, VIN = 3.6 V

VIN = 3.6 V, TA = 25°C (unless otherwise noted)
PARAMETER TEST CONDITIONS TPS22924B (TYP) TPS22924C (TYP) UNIT
tON Turn-ON time RL = 10 Ω, CL = 0.1 μF, VIN = 3.6V 111 800 μs
tOFF Turn-OFF time RL = 10 Ω, CL = 0.1 μF, VIN = 3.6V 3 3 μs
tr VOUT rise time RL = 10 Ω, CL = 0.1 μF, VIN = 3.6V 96 800 μs
tf VOUT fall time RL = 10 Ω, CL = 0.1 μF, VIN = 3.6V 2.5 2.5 μs

7.7 Switching Characteristics, VIN = 0.9 V

VIN = 0.9 V, TA = 25°C (unless otherwise noted)
PARAMETER TEST CONDITIONS TPS22924B (TYP) TPS22924C (TYP) UNIT
tON Turn-ON time RL = 10 Ω, CL = 0.1 μF, VIN = 0.9V 160 865 μs
tOFF Turn-OFF time RL = 10 Ω, CL = 0.1 μF, VIN = 0.9V 20 20 μs
tr VOUT rise time RL = 10 Ω, CL = 0.1 μF, VIN = 0.9V 81 500 μs
tf VOUT fall time RL = 10 Ω, CL = 0.1 μF, VIN = 0.9V 5 5 μs

7.8 Typical Characteristics

TPS22924B TPS22924C TC1_lvsar3.png
Figure 1. On-State Resistance vs Input Voltage
TPS22924B TPS22924C TC3_lvsar3.png
Figure 3. Input Current, Quiescent vs Input Voltage
TPS22924B TPS22924C TC5_lvsar3.png
Figure 5. On Input Threshold
TPS22924B TPS22924C TC2_lvsar3.png
Figure 2. On-State Resistance vs Temperature
TPS22924B TPS22924C TC4_lvsar3.png
Figure 4. Input Current, Leak vs Input Voltage

7.9 AC Characteristics (TPS22924B)

TPS22924B TPS22924C TC6_lvsar3.png
VIN = 3.6 V, CL = 0.1 µF, RL = 10 Ω
Figure 6. Turn-On Time vs Temperature
TPS22924B TPS22924C TC8_lvsar3.png
VIN = 3.6 V, CL = 0.1 µF, RL = 10 Ω
Figure 8. Rise Time vs Temperature
TPS22924B TPS22924C TC10_lvsar3.png
VIN = 0.9 V, CL = 0.1 µF, RL = 10 Ω
Figure 10. Turn-On Time vs Temperature
TPS22924B TPS22924C TC12_lvsar3.png
VIN = 0.9 V, CL = 0.1 µF, RL = 10 Ω
Figure 12. Rise Time vs Temperature
TPS22924B TPS22924C TC14_lvsar3.png
VON = 1.8 V, CL = 0.1 µF, RL = 10 Ω
Figure 14. Rise Time vs Input Voltage
TPS22924B TPS22924C TC16_lvsar3.png
CIN = 1 µF, CL = 0.1 µF, RL = 10 Ω, VIN = 0.9 V, TA = 25°C
Figure 16. Turn-On Response
TPS22924B TPS22924C TC18_lvsar3.png
CIN = 47 µF, CL = 20 µF, RL = 10 Ω, VIN = 0.9 V, TA = 25°C
Figure 18. Turn-On Response
TPS22924B TPS22924C TC20_lvsar3.png
CIN = 1 µF, CL = 0.1 µF, RL = 10 Ω, VIN = 3.6 V, TA = 25°C
Figure 20. Turn-On Response
TPS22924B TPS22924C TC22_lvsar3.png
CIN = 47 µF, CL = 20 µF, RL = 10 Ω, VIN = 3.6 V, TA = 25°C
Figure 22. Turn-On Response
TPS22924B TPS22924C TC7_lvsar3.png
VIN = 3.6 V, CL = 0.1 µF, RL = 10 Ω
Figure 7. Turn-Off Time vs Temperature
TPS22924B TPS22924C TC9_lvsar3.png
VIN = 3.6 V, CL = 0.1 µF, RL = 10 Ω
Figure 9. Fall Time vs Temperature
TPS22924B TPS22924C TC11_lvsar3.png
VIN = 0.9 V, CL = 0.1 µF, RL = 10 Ω
Figure 11. Turn-Off Time vs Temperature
TPS22924B TPS22924C TC13_lvsar3.png
VIN = 0.9 V, CL = 0.1 µF, RL = 10 Ω
Figure 13. Fall Time vs Temperature
TPS22924B TPS22924C TC15_lvsar3.png
VON = 1.8 V, CL = 20 µF, RL = 10 Ω
Figure 15. Rise Time vs Input Voltage
TPS22924B TPS22924C TC17_lvsar3.png
CIN = 1 µF, CL = 0.1 µF, RL = 10 Ω, VIN = 0.9 V, TA = 25°C
Figure 17. Turn-Off Response
TPS22924B TPS22924C TC19_lvsar3.png
CIN = 47 µF, CL = 20 µF, RL = 10 Ω, VIN = 0.9 V, TA = 25°C
Figure 19. Turn-Off Response
TPS22924B TPS22924C TC21_lvsar3.png
CIN = 1 µF, CL = 0.1 µF, RL = 10 Ω, VIN = 3.6 V, TA = 25°C
Figure 21. Turn-Off Response
TPS22924B TPS22924C TC23_lvssar3.png
CIN = 47 µF, CL = 20 µF, RL = 10 Ω, VIN = 3.6 V, TA = 25°C
Figure 23. Turn-Off Response

7.10 AC Characteristics (TPS22924C)

TPS22924B TPS22924C g_ton_temp_vin3p6_lvsa52.gif
VIN = 3.6 V, CL = 0.1 µF, RL = 10 Ω
Figure 24. Turn-On Time vs Temperature
TPS22924B TPS22924C g_tr_temp_vin3p6_lvsa52.gif
VIN = 3.6 V, CL = 0.1 µF, RL = 10 Ω
Figure 26. Rise Time vs Temperature
TPS22924B TPS22924C g_ton_temp_vin0p9_lvsa52.gif
VIN = 0.9 V, CL = 0.1 µF, RL = 10 Ω
Figure 28. Turn-On Time vs Temperature
TPS22924B TPS22924C g_tr_temp_vin0p9_lvsa52.gif
VIN = 0.9 V, CL = 0.1 µF, RL = 10 Ω
Figure 30. Rise Time vs Temperature
TPS22924B TPS22924C g_tr_vin_cl0p1_lvsa52.gif
VON = 1.8 V, CL = 0.1 µF, RL = 10 Ω
Figure 32. Rise Time vs Input Voltage
TPS22924B TPS22924C scope_ton_resp_vin0p9_cl0p1_lvsa52.gif
CIN = 1 µF, CL = 0.1 µF, RL = 10 Ω, VIN = 0.9 V, TA = 25°C
Figure 34. Turn-On Response
TPS22924B TPS22924C scope_ton_resp_vin0p9_cl20_lvsa52.gif
CIN = 47 µF, CL = 20 µF, RL = 10 Ω, VIN = 0.9 V, TA = 25°C
Figure 36. Turn-On Response
TPS22924B TPS22924C scope_ton_resp_vin3p6_cl0p1_lvsa52.gif
CIN = 1 µF, CL = 0.1 µF, RL = 10 Ω, VIN = 3.6 V, TA = 25°C
Figure 38. Turn-On Response
TPS22924B TPS22924C scope_ton_resp_vin3p6_cl20_lvsa52.gif
CIN = 47 µF, CL = 20 µF, RL = 10 Ω, VIN = 3.6 V, TA = 25°C
Figure 40. Turn-On Response
TPS22924B TPS22924C g_toff_temp_vin3p6_lvsa52.gif
VIN = 3.6 V, CL = 0.1 µF, RL = 10 Ω
Figure 25. Turn-Off Time vs Temperature
TPS22924B TPS22924C g_tf_temp_vin3p6_lvsa52.gif
VIN = 3.6 V, CL = 0.1 µF, RL = 10 Ω
Figure 27. Fall Time vs Temperature
TPS22924B TPS22924C g_toff_temp_vin0p9_lvsa52.gif
VIN = 0.9 V, CL = 0.1 µF, RL = 10 Ω
Figure 29. Turn-Off Time vs Temperature
TPS22924B TPS22924C g_tf_temp_vin0p9_lvsa52.gif
VIN = 0.9 V, CL = 0.1 µF, RL = 10 Ω
Figure 31. Fall Time vs Temperature
TPS22924B TPS22924C g_tr_vin_cl20_lvsa52.gif
VON = 1.8 V, CL = 20 µF, RL = 10 Ω
Figure 33. Rise Time vs Input Voltage
TPS22924B TPS22924C scope_toff_resp_vin0p9_cl0p1_lvsa52.gif
CIN = 1 µF, CL = 0.1 µF, RL = 10 Ω, VIN = 0.9 V, TA = 25°C
Figure 35. Turn-Off Response
TPS22924B TPS22924C scope_toff_resp_vin0p9_cl20_lvsa52.gif
CIN = 47 µF, CL = 20 µF, RL = 10 Ω, VIN = 0.9 V, TA = 25°C
Figure 37. Turn-Off Response
TPS22924B TPS22924C scope_toff_resp_vin3p6_cl0p1_lvsa52.gif
CIN = 1 µF, CL = 0.1 µF, RL = 10 Ω, VIN = 3.6 V, TA = 25°C
Figure 39. Turn-Off Response
TPS22924B TPS22924C scope_toff_resp_vin3p6_cl20_lvsa52.gif
CIN = 47 µF, CL = 20 µF, RL = 10 Ω, VIN = 3.6 V, TA = 25°C
Figure 41. Turn-Off Response