SNVAA85 august   2023 LM25143 , LM25143-Q1 , LM25148 , LM25148-Q1 , LM25149 , LM25149-Q1 , LM5143 , LM5143-Q1 , LM5148 , LM5148-Q1 , LM5149 , LM5149-Q1 , LM61460 , LM61460-Q1 , LM61480 , LM61480-Q1 , LM61495 , LM61495-Q1 , LM62460 , LM62460-Q1 , LMQ61460 , LMQ61460-Q1 , TPSM63604 , TPSM63606 , TPSM63608 , TPSM63610

 

  1.   1
  2.   Abstract
  3.   Trademarks
  4. 1Introduction
  5. 2General Simple CC/CV Configuration Circuit
    1. 2.1 CC Circuit Design
    2. 2.2 CV Circuit Design
  6. 3Example Schematic
  7. 4Test Results and Performance Curves
    1. 4.1 Test Method
    2. 4.2 Power Module (TPSM63610)
    3. 4.3 Converter (LM61495)
    4. 4.4 Controller (LM5149)
  8. 5Summary
  9. 6References

Converter (LM61495)

Figure 4-12 shows load regulation and the voltage setpoint with reducing output resistance of LM61495. Figure 4-13 shows the load and line regulation of LM61495.

GUID-20230804-SS0I-2SNC-NRRV-HP6DHLLZ4WKW-low.svgFigure 4-7 Load Regulation at Different Vin with Reducing Rload (Vout / Iout) for LM61495
GUID-20230804-SS0I-DS7S-FRTW-WXRKMSQ0WC7C-low.svgFigure 4-8 LM61495 Load and Line Regulation

Figure 4-14 shows the waveforms of SW (CH1), Vout_ripple (CH2) and Iout (CH3) at 36 V (Vin), 4 V (Vout) at 8 A (CC mode).

GUID-20230718-SS0I-55W4-WGCZ-CJ9T2VKVMRPQ-low.svgFigure 4-9 Steady-State Waveforms for LM61495

Figure 4-10 and Figure 4-11 show the load-transient performance Vout (CH4) and Iout (CH3) when stepping a constant resistive load from 10 Ω to 0.5 Ω (CV to CC) and 0.5 Ω to 10 Ω (CC to CV).

GUID-20230718-SS0I-QZMH-FLGG-H9MW8V8JB5WD-low.svgFigure 4-10 Load-Transient Performance for LM61495 (CV to CC)
GUID-20230718-SS0I-ZKXF-48MG-5V8PQDXVMJTM-low.svgFigure 4-11 Load-Transient Performance for LM61495 (CC to CV)