SNAS491C February   2010  – January 2025 LM48580

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Pin Configuration and Functions
  6. 5 Specifications
    1. 5.1 Absolute Maximum Ratings
    2. 5.2 ESD Ratings
    3. 5.3 Recommended Operating Conditions
    4. 5.4 Thermal Information
    5. 5.5 Electrical Characteristics: VDD = 3.6 V #GUID-238D0643-98EF-4676-B2E1-A584A5DF74F7/SNAS491599
    6. 5.6 Typical Performance Characteristics
  7.   Parameter Measurement Information
  8. 6 Detailed Description
    1. 6.1 Overview
    2. 6.2 Functional Block Diagram
    3. 6.3 Feature Description
      1. 6.3.1 Class H Operation
      2. 6.3.2 Properties of Piezoelectric Elements
      3. 6.3.3 Differential Amplifier Explanation
      4. 6.3.4 Thermal Shutdown
      5. 6.3.5 Gain Setting
    4. 6.4 Device Functional Modes
      1. 6.4.1 Shutdown Function
  9. 7 Application and Implementation
    1. 7.1 Application Information
    2. 7.2 Typical Application
      1. 7.2.1 Design Requirements
        1. 7.2.1.1 Proper Selection of External Components
          1. 7.2.1.1.1 Boost Converter Capacitor Selection
      2. 7.2.2 Detailed Design Procedure
        1. 7.2.2.1 Boost Converter Output Capacitor Selection
          1. 7.2.2.1.1 Inductor Selection
          2. 7.2.2.1.2 Diode Selection
        2. 7.2.2.2 Application Curves
    3. 7.3 Power Supply Recommendations
    4. 7.4 Layout
      1. 7.4.1 Layout Guidelines
      2. 7.4.2 Layout Example
  10. 8 Device and Documentation Support
    1. 8.1 Device Support
      1. 8.1.1 Development Support
    2. 8.2 Receiving Notification of Documentation Updates
    3. 8.3 Community Resources
    4. 8.4 Trademarks
  11. 9 Revision History
  12. 10Mechanical, Packaging, and Orderable Information

4 Pin Configuration and Functions

LM48580 DSBGA PackageYZR 12-PinTop View Figure 4-1 DSBGA PackageYZR 12-PinTop View
LM48580 YZR0012 Package(Bumps Up) View Figure 4-2 YZR0012 Package(Bumps Up) View
Table 4-1 Pin Functions
Bump Name Description
A1 OUT+ Amplifier Non-Inverting Output
A2 SGND Amplifier Ground
A3 IN+ Amplifier Non-Inverting Input
B1 OUT- Amplifier Inverting Output
B2 GAIN Gain Select:
GAIN = float: AV = 18dB
GAIN = GND: AV = 24dB
GAIN = VDD: AV = 30dB
B3 IN- Amplifier Inverting Input
C1 VAMP Amplifier Supply Voltage. Connect to VBST
C2 SHDN Active Low Shutdown. Drive SHDN low to disable device.
Connect SHDN to VDD for normal operation.
C3 VDD Power Supply
D1 VBST Boost Converter Output
D2 SW Boost Converter Switching Node
D3 PGND Boost Converter Ground