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ZHCSA29F October 2011 – June 2019 LMR24220

PRODUCTION DATA.

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机械数据 (封装 | 引脚)

YPA|28
- MXBG222

散热焊盘机械数据 (封装 | 引脚)

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6.4 Typical Characteristics

Unless otherwise specified all curves are taken at V_IN = 18 V with the configuration in the typical application circuit for
V_OUT = 3.3 V (Figure 25) T_A = 25°C.

Figure 1. V_CC vs I_CC

Figure 3. t_on vs V_IN

Figure 5. V_FB vs Temperature

V_OUT = 3.3 V

Figure 7. Efficiency vs Load Current

V_OUT = 0.8 V

Figure 9. Efficiency vs Load Current

V_OUT = 3.3 V, 2 A Loaded

Figure 11. Power Up

V_OUT = 3.3 V, 2 A Loaded

Figure 13. Shutdown Transient

V_OUT = 3.3 V, 0.5 A Loaded

Figure 15. Discontinuous Mode Operation

Figure 2. V_CC vs V_IN

V_OUT = 0.8 V

Figure 4. Switching Frequency, ƒ_SW vs V_IN

Figure 6. R_DS(on) vs Temperature

V_OUT = 3.3 V

Figure 8. V_OUT Regulation vs Load Current

V_OUT = 0.8 V

Figure 10. V_OUT Regulation vs Load Current

V_OUT = 3.3 V, 2 A Loaded

Figure 12. Start-up With Enable

V_OUT = 3.3 V, 2 A Loaded

Figure 14. Continuous Mode Operation

V_OUT = 3.3 V, 0.5 A to 2 A Loaded

Figure 16. DCM to CCM Transition