ZHCSCJ5A June   2014  – June 2014 TPS82740A , TPS82740B

PRODUCTION DATA.  

  1. 1 特性
  2. 2 应用范围
  3. 3 说明
  4. 4 典型应用
  5. 5 修订历史记录
  6. 6 Device Comparison Table
  7. 7 Pin Configuration and Functions
  8. 8 Specifications
    1. 8.1 Absolute Maximum Ratings
    2. 8.2 Handling Ratings
    3. 8.3 Recommended Operating Conditions
    4. 8.4 Thermal Information
    5. 8.5 Electrical Characteristics
    6. 8.6 Typical Characteristics
  9. 9 Parameter Measurement Information
  10. 10Detailed Description
    1. 10.1 Overview
    2. 10.2 Functional Block Diagram
    3. 10.3 Feature Description
      1. 10.3.1 DCS-Control
      2. 10.3.2 LOAD Switch
      3. 10.3.3 Output Voltage Selection (VSEL1, VSEL2, VSEL3)
      4. 10.3.4 Output Discharge Function (VOUT and LOAD)
      5. 10.3.5 Internal Current Limit
      6. 10.3.6 CTRL / DVS (Dynamic Voltage Scaling TPS62741)
    4. 10.4 Device Functional Modes
      1. 10.4.1 Enable / Shutdown
      2. 10.4.2 Softstart
      3. 10.4.3 POWER GOOD OUTPUT (PG)
      4. 10.4.4 Automatic Transition into 100% Mode
  11. 11Application and Implementation
    1. 11.1 Application Information
    2. 11.2 Typical Application
      1. 11.2.1 Design Requirements
      2. 11.2.2 Detailed Design Procedure
        1. 11.2.2.1 Input Capacitor Selection
          1. 11.2.2.1.1 Input Buffer Capacitor Selection
        2. 11.2.2.2 Output Capacitor Selection
      3. 11.2.3 Application Curves
  12. 12Power Supply Recommendations
  13. 13Layout
    1. 13.1 Layout Guidelines
    2. 13.2 Layout Example
    3. 13.3 Surface Mount Information
  14. 14器件和文档支持
    1. 14.1 文档支持
      1. 14.1.1 相关链接
    2. 14.2 商标
    3. 14.3 静电放电警告
    4. 14.4 术语表
  15. 15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)
  • SIP|9
散热焊盘机械数据 (封装 | 引脚)
订购信息

7 Pin Configuration and Functions

MicroSIP™
9 Bump
TPS82740A TPS82740B po_TPS82740SIP.gif

Table 1. Pin Functions

PIN I/O DESCRIPTION
NAME NO
VIN C3 IN Input voltage supply pin of the module.
GND C2 - Ground terminal.
CTRL B2 IN CTRL pin controls the LOAD output pin. With CTRL = low, the LOAD output is disabled. This pin must be terminated and not left floating.
VOUT C1 OUT Output voltage pin of the module. An internal load switch is connected between VOUT pin and LOAD pin.
LOAD B1 OUT Load switch output pin controlled by the CTRL pin. With CTRL = high, an internal load switch connects the LOAD pin to the VOUT pin. The LOAD pin allows connect / disconnect other system components to the output of the DC/DC converter. This pin is pulled to GND with the CTRL pin = low. The LOAD pin features soft switching. If not used, leave the pin open.
VSEL3 A1 IN Output voltage selection pins. See Table 2 and Table 3 for VOUT selection. These pins must be terminated and can be changed during operation.
VSEL2 A2 IN
VSEL1 A3 IN
EN B3 IN High level enables the devices and low level turns the device into shutdown mode. This pin must be terminated and not left floating.

Table 2. Output Voltage Setting TPS82740A

Device VOUT VSEL3 VSEL2 VSEL1
TPS82740A 1.8 0 0 0
1.9 0 0 1
2.0 0 1 0
2.1 0 1 1
2.2 1 0 0
2.3 1 0 1
2.4 1 1 0
2.5 1 1 1

Table 3. Output Voltage Setting TPS82740B

Device VOUT VSEL3 VSEL2 VSEL1
TPS82740B 2.6 0 0 0
2.7 0 0 1
2.8 0 1 0
2.9 0 1 1
3.0 1 0 0
3.1 1 0 1
3.2 1 1 0
3.3 1 1 1
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