ZHCSOH9C April   2020  – February 2023 UCC27624

PRODUCTION DATA  

  1. 1 特性
  2. 2 应用
  3. 3 说明
  4. 4 Revision History
  5. 5 Pin Configuration and 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 Switching Characteristics
    7. 6.7 Timing Diagrams
    8. 6.8 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 Operating Supply Current
      2. 7.3.2 Input Stage
      3. 7.3.3 Enable Function
      4. 7.3.4 Output Stage
      5. 7.3.5 Low Propagation Delays and Tightly Matched Outputs
    4. 7.4 Device Functional Modes
  8. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
        1. 8.2.2.1 VDD and Undervoltage Lockout
        2. 8.2.2.2 Drive Current and Power Dissipation
      3. 8.2.3 Application Curves
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
    3. 10.3 Thermal Considerations
  11. 11Device and Documentation Support
    1. 11.1 Device Support
      1. 11.1.1 第三方产品免责声明
    2. 11.2 接收文档更新通知
    3. 11.3 支持资源
    4. 11.4 Trademarks
    5. 11.5 静电放电警告
    6. 11.6 术语表
  12. 12Mechanical, Packaging, and Orderable Information

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5 Pin Configuration and Functions

GUID-56ECE2CD-BADB-4398-97E8-C89CF94D22F9-low.gif Figure 5-1 D Package8-Pin SOICTop View
Figure 5-2 DGN Package8-Pin VSSOPTop View
Table 5-1 Pin Functions
PIN TYPE(1) DESCRIPTION
NAME DGN D
ENA 1 1 I Enable input for Channel A. Biasing ENA, LOW will disable Channel A output regardless of the state of INA. Pulling ENA, HIGH enables the Channel A output. If ENA is left floating, Channel A is enabled by default due to an internal pullup resistor. It is recommended to connect this pin to VDD if unused.
ENB 8 8 I Enable input for Channel B. Biasing ENB, LOW disables Channel B output regardless of the state of INB. Pulling ENB, HIGH enables the Channel B output. If ENB is left floating, Channel B is enabled by default due to an internal pullup resistor. It is recommended to connect this pin to VDD if unused.
GND 3 3 — Ground: All signals are referenced to this pin.
INA 2 2 I Input to Channel A. INA is the non-inverting input of the UCC27624 device. OUTA is held LOW if INA is unbiased or floating by default due to an internal pulldown resistor. Connect this pin to GND if unused.
INB 4 4 I Input to Channel B. INB is the non-inverting input of the UCC27624 device. OUTB is held LOW if INB is unbiased or floating by default due to an internal pulldown resistor. Connect this pin to GND if unused.
OUTA 7 7 O Channel A Output
OUTB 5 5 O Channel B Output
VDD 6 6 I Bias supply input. Bypass this pin with two ceramic capacitors, generally ≥ 1 μF and 0.1 μF, which are referenced to GND pin of this device.
Thermal Pad — — Connect to GND through large copper plane. This pad is not a low-impedance path to GND.
(1) I = Input; O = Output