ZHCSD88B October   2014  – February 2019 TPS735-Q1

PRODUCTION DATA.  

  1. 1 特性
  2. 2 应用
  3. 3 说明
    1.     Device Images
      1.      典型应用
  4. 4 修订历史记录
  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 Internal Current-Limit
      2. 7.3.2 Shutdown
      3. 7.3.3 Dropout Voltage
      4. 7.3.4 Startup and Noise Reduction Capacitor
      5. 7.3.5 Transient Response
      6. 7.3.6 Undervoltage Lockout (UVLO)
      7. 7.3.7 Minimum Load
    4. 7.4 Device Functional Modes
      1. 7.4.1 Normal Operation
      2. 7.4.2 Dropout Operation
      3. 7.4.3 Disabled
  8. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
        1. 8.2.1.1 Input and Output Capacitor Requirements
        2. 8.2.1.2 Feedback Capacitor Requirements (TPS73501-Q1 only)
      2. 8.2.2 Detailed Design Procedure
        1. 8.2.2.1 Output Noise
      3. 8.2.3 Application Curves
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
      1. 10.1.1 Board Layout Recommendations to Improve PSRR and Noise Performance
      2. 10.1.2 Thermal Protection
      3. 10.1.3 Package Mounting
      4. 10.1.4 Power Dissipation
      5. 10.1.5 Estimating Junction Temperature
    2. 10.2 Layout Example
  11. 11器件和文档支持
    1. 11.1 器件支持
      1. 11.1.1 器件命名规则
    2. 11.2 文档支持
      1. 11.2.1 相关文档
    3. 11.3 接收文档更新通知
    4. 11.4 社区资源
    5. 11.5 商标
    6. 11.6 静电放电警告
    7. 11.7 术语表
  12. 12机械、封装和可订购信息

封装选项

请参考 PDF 数据表获取器件具体的封装图。

机械数据 (封装 | 引脚)
  • DRB|8
散热焊盘机械数据 (封装 | 引脚)
订购信息

6.5 Electrical Characteristics

Over operating temperature range (–40°C ≤ TJ, TA ≤ 125°C), VIN = VOUTnom + 0.5 V or 2.7 V (whichever is greater), IOUT = 1 mA, VEN = VIN, COUT = 2.2 μF, and CNR = 0.01 μF, unless otherwise noted.
For the adjustable version (TPS73501-Q1), VOUT = 3 V. Typical values are at TA = 25°C.
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
VIN Input voltage(1) 2.7 6.5 V
VFB Internal reference (TPS73501-Q1) TJ = 25°C 1.196 1.208 1.220 V
VOUT Output voltage range
(TPS73501-Q1)		 VFB 6 V
DC output accuracy(1) 1 mA ≤ IOUT ≤ 500 mA,
VOUT + 0.5 V ≤ VIN < 6.5 V		 VOUT > 2.2 V –2% ±1% 2%
VOUT ≤ 2.2 V –3% ±1% 3%
ΔVOUT(ΔVIN) Line regulation(1) VOUTnom + 0.5 V ≤ VIN ≤ 6.5 V 0.02 %/V
ΔVOUT(ΔIOUT) Load regulation 500 µA ≤ IOUT ≤ 500 mA 0.005 %/mA
VDO Dropout voltage(2)
(VIN = VOUTnom – 0.1 V)		 IOUT = 500 mA 280 500 mV
ILIM Output current limit VOUT = 0.9 × VOUTnom, VIN = VOUTnom + 0.9 V,
VIN ≥ 2.7 V		 800 1170 1900 mA
IGND Ground pin current 10 mA ≤ IOUT ≤ 500 mA 45 65 μA
ISHDN Shutdown current VEN ≤ 0 V 0.15 1 μA
IFB Feedback pin current
(TPS73501-Q1)		 VOUTnom = 1.2 V –0.5 0.5 μA
PSRR Power-supply rejection ratio VIN = 3.85 V, VOUT = 2.85 V, CNR = 0.01 µF,
IOUT = 100 mA		 f = 100 Hz 60 dB
f = 1k Hz 68 dB
f = 10 kHz 41 dB
f = 100 kHz 21 dB
Vn Output noise voltage BW = 10 Hz to
100 kHz, VOUT = 2.8 V		 CNR = 0.01 μF 11 × VOUT μVRMS
CNR = none 95 × VOUT μVRMS
tSTR Startup time CNR = none 45 μs
CNR = 0.001 μF 45 μs
CNR = 0.01 μF 50 μs
CNR = 0.047 μF 50 μs
VEN(HI) Enable high (enabled) 1.2 V
VEN(LO) Enable low (shutdown) 0.4 V
IEN(HI) Enable pin current, enabled VEN = VIN = 6.5 V 0.03 1 μA
Tsd Thermal shutdown temperature Shutdown, temperature increasing 165 °C
Reset, temperature decreasing 145 °C
UVLO Undervoltage lockout VIN rising 1.9 2.2 2.65 V
Vhys Hysteresis VIN falling 70 mV
(1) Minimum VIN = VOUT + VDO or 2.7 V, whichever is greater.
(2) VDO is not measured for this family of devices with VOUTnom < 2.8 V because the minimum VIN = 2.7 V.
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