ZHCSGF2C July   2017  – June 2019 TLV743P

PRODUCTION DATA.  

  1. 1 特性
  2. 2 应用
  3. 3 说明
    1.     Device Images
      1.      典型应用电路
      2.      压降电压与输出电流间的关系
  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 Undervoltage Lockout (UVLO)
      2. 7.3.2 Shutdown and Output Enable
      3. 7.3.3 Internal Foldback Current Limit
      4. 7.3.4 Thermal Shutdown
    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
      1. 8.1.1 Input and Output Capacitor Selection
      2. 8.1.2 Dropout Voltage
      3. 8.1.3 Power Dissipation
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
      3. 8.2.3 Application Curve
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Examples
  11. 11器件和文档支持
    1. 11.1 器件支持
      1. 11.1.1 开发支持
        1. 11.1.1.1 评估模块
      2. 11.1.2 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 Glossary
  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)
  • DBV|5
  • DQN|4
散热焊盘机械数据 (封装 | 引脚)
订购信息

6.5 Electrical Characteristics

at operating temperature range (TJ = –40°C to +125°C), VIN = VOUT(nom) + 0.5 V or 2 V (whichever is greater), IOUT = 1 mA, VEN = VIN, and CIN = COUT = 1 µF (unless otherwise noted). All typical values at TJ = 25°C.
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
VIN Input voltage 1.4 5.5 V
DC output accuracy TJ = 25°C –1% 1%
–40°C ≤ TJ ≤ 125°C –1.4% 1.4%
UVLO Undervoltage lockout VIN rising 1.3 1.4 V
VIN falling 1.25
ΔVO(ΔVI) Line regulation ΔVI = VIN(nom) to VIN(nom) + 1 1 mV
ΔVO(ΔIO) Load regulation ΔIO = 1 mA to 300 mA DBV package 16 mV
25
VDO Dropout voltage(1) VOUT = 0.98 × VOUT(nom)
IOUT = 300 mA 		VOUT = 1.1 V
–40°C ≤ TJ ≤ 85°C		 480 mV
1.2 V ≤ VOUT < 1.5 V
–40°C ≤ TJ ≤ 85°C		 420
1.5 V ≤ VOUT < 1.8 V
–40°C ≤ TJ ≤ 85°C		 370
1.8 V ≤ VOUT < 2.5 V
–40°C ≤ TJ ≤ 85°C		 270
2.5 V ≤ VOUT < 3.3 V
–40°C ≤ TJ ≤ 85°C		 260
VOUT = 3.3 V
–40°C ≤ TJ ≤ 85°C		 125 220
1.2 V ≤ VOUT < 1.5 V
–40°C ≤ TJ ≤ 125°C		 450
1.5 V ≤ VOUT < 1.8 V
–40°C ≤ TJ ≤ 125°C		 400
1.8 V ≤ VOUT < 2.5 V
–40°C ≤ TJ ≤ 125°C		 300
2.5 V ≤ VOUT < 3.3 V
–40°C ≤ TJ ≤ 125°C		 290
VOUT = 3.3 V
–40°C ≤ TJ ≤ 125°C		 125 270
IGND Ground pin current IOUT = 0 mA 34 60 µA
ISHDN Shutdown current VEN ≤ 0.35 V
2 V ≤ VIN ≤ 5.5 V
TJ = 25°C		 0.1 1 µA
PSRR Power-supply rejection ratio VOUT = 1.8 V
IOUT = 300 mA		 f = 100 Hz 68 dB
f = 10 kHz 35
f = 100 kHz 28
Vn Output noise voltage Bandwidth = 10 Hz to 100 kHz
VOUT = 1.8 V
IOUT = 10 mA		 120 µVRMS
VEN(HI) EN pin high voltage (enabled) 0.9 V
VEN(LO) EN pin low voltage (disabled) 0.35 V
IEN EN pin current VEN = 5.5 V 0.01 µA
tSTR Startup time Time from EN assertion to 98% × VOUT(nom)
VOUT = 1 V
IOUT = 0 mA		 250 µs
Time from EN assertion to 98% × VOUT(nom)
VOUT = 3.3 V
IOUT = 0 mA		 800
Pulldown resistor VIN = 2.3 V 120 Ω
ILIM Output current limit 360 700 mA
IOS Short-circuit current limit VOUT shorted to GND
VOUT = 1 V		 150 mA
VOUT shorted to GND
VOUT = 3.3 V		 170
Tsd Thermal shutdown Shutdown, temperature increasing 160 °C
Reset, temperature decreasing 140
(1) Dropout voltage for the TLV743P is not valid at room temperature. The device engages undervoltage lockout (VIN < UVLOFALL) before the dropout condition is met.