ZHCSME0B 数据表 | 德州仪器 TI.com.cn

ZHCSME0B December 2020 – November 2022 TPS7A43

PRODUCTION DATA

封装选项

机械数据 (封装 | 引脚)

DGQ|10
- MPDS043F

散热焊盘机械数据 (封装 | 引脚)

DGQ|10
- PPTD325A

订购信息

6.6 Typical Characteristics

at operating temperature T_J = 25°C, I_OUT = 1 mA, I_{MID_OUT} = 0 mA, V_EN = 2 V, V_MVSEL1 = 0.9 V, V_MVSEL2 = 0.9 V, C_IN = 1 μF, C_{MID_OUT} = 4.7 μF, C_OUT = 1 μF, and V_IN = V_{MID_OUT} + 1.5 V (unless otherwise noted); typical values are at T_J = 25°C

V_OUT = 1.24 V (adjustable)

Figure 6-1 V_OUT Accuracy vs I_OUT

V_{MID_OUT} = 12 V

Figure 6-3 V_{MID_OUT} Accuracy vs V_IN

V_{MID_OUT} = 12 V

Figure 6-5 V_{MID_OUT} vs I_{MID_OUT}

V_IN = 16.5 V, V_{MID_OUT} = 15 V, V_MVSEL1 = V_MVSEL2 = 0 V,
V_OUT = 1.24 V (adjustable)

Figure 6-7 I_GND vs I_OUT

V_EN = 1 V

Figure 6-9 I_SHUTDOWN vs V_IN

V_{MID_OUT} = 15 V, V_MVSEL1 = V_MVSEL2 = 0 V, I_OUT = 0 mA

Figure 6-11 V_{DO(MID_OUT)} vs I_{MID_OUT}

C_IN = 0 μF, V_IN ramp rate = 45 V/ms,V_OUT = 3.3 V,
I_OUT = 10 mA

Figure 6-13 Slow Start-Up

V_IN = 15 V to 85 V, V_IN ramp rate = 10 V/μs, V_OUT = 3.3 V,
I_OUT = 10 mA

Figure 6-15 Line Transient

V_IN = 15 V to 85 V, V_IN ramp rate = 10 V/μs, V_OUT = 3.3 V,
I_OUT = 50 mA

Figure 6-17 Line Transient

V_IN = 4 V to 85 V, V_IN ramp rate = 1 V/μs, V_OUT = 3.3 V,
I_OUT = 50 mA

Figure 6-19 Line Transient (V_{MID_OUT} in Dropout)

V_IN = 4 V to 85 V, V_IN ramp rate = 5 V/μs, V_OUT = 3.3 V,
I_OUT = 50 mA

Figure 6-21 Line Transient (V_{MID_OUT} in Dropout)

V_IN = 65 V, V_OUT = 3.3 V, I_OUT = 0 mA to 50 mA to 0 mA,
I_OUT slew rate = 1 A/μs

Figure 6-23 Load Transient (Rising Edge)

V_IN = 65 V, V_OUT = 3.3 V, I_OUT = 1 mA to 50 mA to 1 mA,
I_OUT slew rate = 1 A/μs

Figure 6-25 Load Transient (Rising Edge)

V_IN = 65 V, V_OUT = 3.3 V, I_{MID_OUT} = 0 mA to 50 mA to 0 mA, I_{MID_OUT} slew rate = 1 A/μs, I_OUT = 0 mA

Figure 6-27 Load Transient (MID_OUT)

V_IN = 65 V, V_OUT = 3.3 V, I_{MID_OUT} = 1 mA to 50 mA to 1 mA, I_{MID_OUT} slew rate = 1 A/μs, I_OUT = 0 mA

Figure 6-29 Load Transient (MID_OUT)

V_IN = 13 V, V_OUT = 3.3 V, I_OUT = 20 mA,
V_RMS bandwidth = 10 Hz to 100 kHz

Figure 6-31 Spectral Noise Density vs Frequency and C_OUT

C_IN = 0 μF,V_OUT = 3.3 V, I_OUT = 20 mA

Figure 6-33 OUT PSRR vs Frequency and V_IN

V_IN = 13 V, C_IN = 0 μF, V_OUT = 3.3 V, I_OUT = 0 mA

Figure 6-35 MID_OUT PSRR vs Frequency and I_{MID_OUT}

V_IN = 13 V, C_IN = 0 μF, V_OUT = 3.3 V, I_{MID_OUT} = 20 mA,
I_OUT = 0 mA

Figure 6-37 MID_OUT PSRR vs Frequency and C_{MID_OUT}

V_OUT = 1.24 V (adjustable)

Figure 6-2 V_OUT Accuracy vs V_IN

V_OUT = 1.24 V (adjustable)

Figure 6-4 V_OUT vs I_CL(OUT)

V_IN = 11 V, V_OUT = 1.24 V (adjustable)

Figure 6-6 I_GND vs I_OUT (MID_OUT in Dropout)

I_OUT = 0 mA

Figure 6-8 I_GND vs V_IN

V_OUT = 1.24 V (adjustable)

Figure 6-10 V_DO(OUT) vs I_OUT

C_IN = 0 μF, V_IN ramp rate = 10 V/μs, V_OUT = 3.3 V,
I_OUT = 10 mA

Figure 6-12 Fast Start-Up

V_IN = 15 V to 85 V, V_IN ramp rate = 10 V/μs, V_OUT = 3.3 V,
I_OUT = 50 mA

Figure 6-14 Line Transient

V_IN = 15 V to 85 V, V_IN ramp rate = 10 V/μs, V_OUT = 3.3 V,
I_OUT = 50 mA

Figure 6-16 Line Transient

V_IN = 4 V to 85 V, V_IN ramp rate = 1 V/μs, V_OUT = 3.3 V,
I_OUT = 50 mA

Figure 6-18 Line Transient (V_{MID_OUT} in Dropout)

V_IN = 4 V to 85 V, V_IN ramp rate = 5 V/μs, V_OUT = 3.3 V,
I_OUT = 50 mA

Figure 6-20 Line Transient (V_{MID_OUT} in Dropout)

V_IN = 65 V, V_OUT = 3.3 V, I_OUT = 0 mA to 50 mA to 0 mA,
I_OUT slew rate = 1 A/μs

Figure 6-22 Load Transient

V_IN = 65 V, V_OUT = 3.3 V, I_OUT = 1 mA to 50 mA to 1 mA,
I_OUT slew rate = 1 A/μs

Figure 6-24 Load Transient

V_IN = 65 V, V_{MID_OUT} = 12 V, I_{MID_OUT} = 0 mA to 50 mA to 0 mA, I_{MID_OUT} slew rate = 1 A/μs, I_OUT = 0 mA

Figure 6-26 Load Transient (MID_OUT)

V_IN = 65 V, V_{MID_OUT} = 12 V, I_{MID_OUT} = 1 mA to 50 mA to 1 mA, I_{MID_OUT} slew rate = 1 A/μs, I_OUT = 0 mA

Figure 6-28 Load Transient (MID_OUT)

V_IN = 13 V, V_OUT = 3.3 V, V_RMS bandwidth = 10 Hz to 100 kHz

Figure 6-30 Spectral Noise Density vs Frequency and I_OUT

V_IN = 13 V, C_IN = 0 μF, V_OUT = 3.3 V

Figure 6-32 OUT PSRR vs Frequency and I_OUT

V_IN = 13 V, C_IN = 0 μF, V_OUT = 3.3 V, I_OUT = 20 mA

Figure 6-34 OUT PSRR vs Frequency and C_OUT

C_IN = 0 μF, V_OUT = 3.3 V, I_{MID_OUT} = 20 mA, I_OUT = 0 mA

Figure 6-36 MID_OUT PSRR vs Frequency and V_IN