ZHCSU09H 数据表 | 德州仪器 TI.com.cn

ZHCSU09H July 2004 – December 2023 LP2981 , LP2981A

PRODUCTION DATA

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机械数据 (封装 | 引脚)

DBV|5
- MPDS018S

散热焊盘机械数据 (封装 | 引脚)

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5.6 Typical Characteristics

Unless otherwise specified: T_A = 25°C, V_IN = V_O(NOM) + 1 V, C_OUT = 10 µF, C_IN = 1 µF all voltage options, ON/ OFF pin tied to V_IN.

V_IN = 4.3 V, V_OUT = 3.3 V

Figure 5-1 Output Voltage vs Load Current (Legacy Chip)

V_IN = 4.3 V, V_OUT = 3.3 V

Figure 5-3 Load Regulation vs Temperature (New Chip)

V_OUT = 3.3 V

Figure 5-5 Output Voltage vs V_IN (New Chip)

V_OUT = 3.3 V, I_L = 1 mA

Figure 5-7 Line Regulation vs V_IN and Temperature (New Chip)

Figure 5-9 Dropout Voltage (V_DO) vs Load Current (New Chip)

Figure 5-11 Ground Pin Current (I_GND) vs Load Current (New Chip)

V_OUT = 3.3 V, I_L = 100 mA

Figure 5-13 Line Transient Response (New Chip)

V_OUT = 3.3 V, C_OUT = 2.2 μF

Figure 5-15 Load Transient Response (New Chip)

V_IN = 16.0 V

Figure 5-17 Short Circuit Current vs Time (New Chip)

Figure 5-19 Short Circuit Current vs Output Voltage (V_OUT) (New Chip)

Figure 5-21 Ripple Rejection vs Output Capacitor (C_L) and Frequency (New Chip)

Figure 5-23 Output Noise Density vs Output Capacitor (C_L) Frequency (New Chip)

V_OUT = 3.3 V, R_L = 3.3 kΩ

Figure 5-25 Turn-on Waveform (New Chip)

V_IN = 4.3 V

Figure 5-27 ON/ OFF Pin Current vs V_{ON/ OFF} (New Chip)

Figure 5-29 ON/ OFF Threshold vs Temperature (New Chip)

V_IN = 4.3 V, V_OUT = 3.3 V

Figure 5-2 Output Voltage vs Load Current (New Chip)

V_IN = 4.3 V, V_OUT = 3.3 V

Figure 5-4 Output Voltage vs Temperature (New Chip)

V_OUT = 3.3 V, I_L = 1 mA

Figure 5-6 Output Voltage vs V_IN and Temperature (New Chip)

Figure 5-8 Dropout Voltage (V_DO) vs Temperature (New Chip)

Figure 5-10 Ground Pin Current (I_GND) vs Temperature (New Chip)

V_OUT = 3.3 V, R_L = 3.3 kΩ

Figure 5-12 Input Current vs Input Voltage (V_IN) (New Chip)

V_OUT = 3.3 V, I_L = 1 mA

Figure 5-14 Line Transient Response (New Chip)

V_IN = 6.0 V

Figure 5-16 Short Circuit Current vs Time (New Chip)

Figure 5-18 Instantaneous Short Circuit Current vs Temperature (New Chip)

Figure 5-20 Ripple Rejection vs Load Current (I_L) and Frequency (New Chip)

Figure 5-22 Output Noise Density vs Load Current (I_L) Frequency (New Chip)

Figure 5-24 Output Reverse Leakage vs Temperature (New Chip)

V_OUT = 5 V, R_L = 5 kΩ

Figure 5-26 Turn-off Waveform (New Chip)

V_IN = 16.0 V

Figure 5-28 ON/ OFF Pin Current vs V_{ON/ OFF} (New Chip)