ZHCSI85A 数据表 | 德州仪器 TI.com.cn

ZHCSI85A May 2018 – July 2019 LM26420-Q1

PRODUCTION DATA.

封装选项

机械数据 (封装 | 引脚)

PWP|20
- MHTS001G
RUM|16
- MPQF223A

散热焊盘机械数据 (封装 | 引脚)

PWP|20
- PPTD289
RUM|16
- QFND453A

订购信息

6.6 Typical Characteristics

All curves taken at V_IN = 5 V with configuration in typical application circuits shown in Application and Implementation. T_J = 25°C, unless otherwise specified.

Figure 1. Efficiency vs Load

Figure 3. Efficiency vs Load

Figure 5. Efficiency vs Load

V_IN = 3 V	V_OUT = 1.8 V

Figure 7. Load Regulation

Figure 9. Oscillator Frequency vs Temperature,

Figure 11. R_DSON Bottom Vs Temperature
(WQFN-16 Package)

Figure 13. R_DSON Bottom vs Temperature
(TSSOP-20 Package)

Figure 15. V_FB vs Temperature

Figure 17. Reverse Current Limit vs Temperature

Figure 19. I_Q (Quiescent Current) vs Temperature
(Q0 Grade)

Figure 21. Current Limit vs Temperature (Q0 Grade)

Figure 23. R_DSON Top vs Temperature (Q0 Grade)

Figure 25. Oscillator Frequency vs Temperature (Q0 Grade)

LM26420-Q1 LM26420_Efficiency_Up_to_93_Percent.png

Figure 2. Efficiency vs Load

Figure 4. Efficiency vs Load

V_IN = 5 V	V_OUT = 1.8 V

Figure 6. Load Regulation

V_OUT = 1.8 V	I_OUT = 1000 mA

Figure 8. Line Regulation

Figure 10. R_DSON Top Vs Temperature (WQFN-16 Package)

Figure 12. R_DSON Top Vs Temperature (TSSOP-20 Package)

Figure 14. I_Q (Quiescent Current Switching)

V_IN = 5 V and 3.3 V

Figure 16. Current Limit vs Temperature

Figure 18. Short Circuit Waveforms

Figure 20. V_FB vs Temperature (Q0 Grade)

Figure 22. Reverse Current Limit vs Temperature (Q0 Grade)

Figure 24. R_DSON Bottom vs Temperature (Q0 Grade)