ZHCS181G 数据表 | 德州仪器 TI.com.cn

ZHCS181G August 2011 – April 2021 TPS53355

PRODUCTION DATA

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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)

DQP|22

散热焊盘机械数据 (封装 | 引脚)

DQP|22
- QFND267C

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6.6 Typical Characteristics

For V_OUT = 5 V, a 744355182 inductor is used. For 1 ≤ V_OUT ≤ 3.3 V, a PA0513.441 inductor is used.

Figure 6-1 VDD Supply Current vs Junction Temperature

Figure 6-3 TRIP Pin Current vs Junction Temperature

Figure 6-5 Switching Frequency vs Output Current

Figure 6-7 Switching Frequency vs Output Current

Figure 6-9 Switching Frequency vs Output Voltage

Figure 6-11 Output Voltage vs Input Voltage

Figure 6-13 Efficiency vs Output Current

Figure 6-15 Efficiency vs Output Current

Figure 6-17 Efficiency vs Output Current

Figure 6-19 Start-Up Waveforms

Figure 6-21 Shutdown Waveforms

Figure 6-23 1.1-V Output FCCM Mode Steady-State Operation

Figure 6-25 CCM to DCM Transition Waveforms

Figure 6-27 FCCM Load Transient

Figure 6-29 Overcurrent Protection Waveforms

Figure 6-31 Over-temperature Protection Waveforms

V_IN = 12 V

V_OUT = 5 V

f_SW = 500 kHz

Figure 6-33 Safe Operating Area

Figure 6-2 VDD Shutdown Current vs Junction Temperature

Figure 6-4 OVP/UVP Trip Threshold vs Junction Temperature

Figure 6-6 Switching Frequency vs Output Current

Figure 6-8 Switching Frequency vs Output Current

Figure 6-10 Output Voltage vs Output Current

Figure 6-12 Efficiency vs Output Current

Figure 6-14 Efficiency vs Output Current

Figure 6-16 Efficiency vs Output Current

Figure 6-18 Efficiency vs Output Current

Figure 6-20 Pre-Bias Start-Up Waveforms

Figure 6-22 UVLO Start-Up Waveforms

Figure 6-24 1.1-V Output Skip Mode Steady-State Operation

Figure 6-26 DCM to CCM Transition Waveforms

Figure 6-28 Skip Mode Load Transeint

Figure 6-30 Output Short Circuit Protection Waveforms

V_IN = 12 V

V_OUT = 1.2 V

f_SW = 500 kHz

Figure 6-32 Safe Operating Area