ZHCSKU3C 数据表 | 德州仪器 TI.com.cn

ZHCSKU3C February 2020 – January 2022 TPS784-Q1

PRODUCTION DATA

封装选项

机械数据 (封装 | 引脚)

DRB|8
- MPDS118K
DBV|5
- MPDS018S

散热焊盘机械数据 (封装 | 引脚)

DRB|8
- QFND619

订购信息

6.6 Typical Characteristics

at operating temperature T_J = 25°C, I_OUT = 1 mA, V_EN = 1.0 V, C_IN = 1.0 µF, C_OUT = 1.0 μF, and V_IN = V_OUT(NOM) + 0.5 V or 1.65 V (whichever is greater), unless otherwise noted; typical values are at T_J = 25°C

V_OUT = 0.65 V

Figure 6-1 Output Accuracy vs I_OUT

V_OUT = 1.2 V

Figure 6-3 Output Accuracy vs I_OUT

V_OUT = 5.0 V

Figure 6-5 Output Accuracy vs I_OUT

V_OUT = 1.2 V, I_OUT = 50 mA

Figure 6-7 50-mA Line Regulation

V_OUT = 1.2 V, I_OUT = 100 mA

Figure 6-9 Accuracy vs Temperature

V_OUT = 1.8 V

Figure 6-11 Dropout Voltage vs I_OUT

V_OUT = 5.0 V

Figure 6-13 Dropout Voltage vs I_OUT

I_OUT = 500 µA

Figure 6-15 I_GND vs V_IN

I_OUT = 50 mA

Figure 6-17 50-mA Ground Current vs Temperature

V_EN = 0.3 V

Figure 6-19 Pulldown Resistor (R_Pulldown) vs V_IN

V_IN = 6 V

Figure 6-21 V_EN(HI) and V_EN(LOW) Thresholds vs Temperature

V_OUT = 5.0 V

Figure 6-23 Foldback Current Limit vs I_OUT and Temperature

V_OUT = 3.3 V, I_OUT = 300 mA, slew rate = 1 V/µs

Figure 6-25 Line Transient

V_OUT = 1.2 V, I_OUT = 50 mA, slew rate = 1 V/µs, T_J = -40℃

Figure 6-27 Line Transient

V_OUT = 1.2 V, I_OUT = 100 mA, slew rate = 1 V/µs, T_J = 25℃

Figure 6-29 Line Transient

V_OUT = 1.2 V, I_OUT = 100 mA, slew rate = 1 V/µs, T_J = 150℃

Figure 6-31 Line Transient

V_OUT = 1.2 V, I_OUT = 300 mA, slew rate = 1 V/µs, T_J = -40℃

Figure 6-33 Line Transient

V_OUT = 3.3 V, I_OUT = 50 mA, slew rate = 1 V/µs, T_J = 25℃

Figure 6-35 Line Transient

V_OUT = 3.3 V, I_OUT = 50 mA, slew rate = 1 V/µs, T_J = 150℃

Figure 6-37 Line Transient

V_OUT = 3.3 V, I_OUT = 100 mA, slew rate = 1 V/µs, T_J = -40℃

Figure 6-39 Line Transient

V_IN = 5.5 V, V_OUT = 5.0 V, I_OUT slew rate = 1 A/µs

Figure 6-41 I_OUT Transient From 1 mA to 300 mA

V_IN = 5.5 V, V_OUT = 5.0 V, I_OUT slew rate = 1 A/µs

Figure 6-43 I_OUT Transient From 300 mA to 1 mA

V_IN = 3.8 V, V_OUT = 3.3 V, I_OUT slew rate = 1 A/µs

Figure 6-45 I_OUT Transient From 1-mA to 300-mA Rising Edge

V_OUT = 1.2 V, I_OUT = 0 mA to 100 mA , I_OUT slew rate = 1 A/µs, T_J = 25℃

Figure 6-47 Load Transient

V_OUT = 1.2 V, I_OUT = 0 mA to 100 mA , I_OUT slew rate = 1 A/µs, T_J = 150℃

Figure 6-49 Load Transient

V_OUT = 1.2 V, I_OUT = 0 mA to 300 mA , I_OUT slew rate = 1 A/µs, T_J = -40℃

Figure 6-51 Load Transient

V_OUT = 1.2 V, I_OUT = 90 mA to 200 mA,
I_OUT slew rate = 1 A/µs, T_J = 25℃

Figure 6-53 Load Transient

V_OUT = 1.2 V, I_OUT = 90 mA to 200 mA,
I_OUT slew rate = 1 A/µs, T_J = 150℃

Figure 6-55 Load Transient

V_OUT = 3.3 V, I_OUT = 0 mA to 100 mA, I_OUT slew rate = 1 A/µs, T_J = -40℃

Figure 6-57 Load Transient

V_OUT = 3.3 V, I_OUT = 0 mA to 300 mA, I_OUT slew rate = 1 A/µs, T_J = 25℃

Figure 6-59 Load Transient

V_OUT = 3.3 V, I_OUT = 0 mA to 300 mA, I_OUT slew rate = 1 A/µs, T_J = 150℃

Figure 6-61 Load Transient

V_OUT = 3.3 V, I_OUT = 90 mA to 200 mA,
I_OUT slew rate = 1 A/µs, T_J = -40℃

Figure 6-63 Load Transient

V_IN = 1.65 V, C_IN = 0 µF, V_OUT = 0.65 V

Figure 6-65 PSRR vs Frequency and I_OUT

V_IN = 4.3 V, C_IN = 0 µF, V_OUT = 3.3 V

Figure 6-67 PSRR vs Frequency and I_OUT

C_IN = 0 µF, V_OUT = 3.3 V, I_OUT = 300 mA

Figure 6-69 PSRR vs Frequency and V_DO

V_IN = 6 V, C_IN = 0 µF, V_OUT = 5.0 V, I_OUT = 300 mA

Figure 6-71 PSRR vs Frequency and C_OUT

V_IN = 4.3 V, V_OUT = 3.3 V, I_OUT = 300 mA,
V_RMS BW = 10 Hz to 100 kHz

Figure 6-73 Output Noise vs Frequency and C_FF

V_IN = 5.5 V, C_IN = 0 µF, C_OUT = 1 µF, V_OUT = 5.0 V,
I_OUT = 0 mA

Figure 6-75 Start-Up Inrush Current With
C_OUT = 1 µF

V_IN = 5.5 V, C_IN = 0 µF, C_OUT = 4.7 µF, V_OUT = 5.0 V,
I_OUT = 0 mA

Figure 6-77 Start-Up Inrush Current With
C_OUT = 4.7 µF

V_IN = 5 V, C_IN = 1 µF, C_OUT = 10 µF, V_OUT = 1.2 V,
I_OUT = 500 mA

Figure 6-79 Start Up at 25°C

V_IN = 5 V, C_IN = 1 µF, C_OUT = 10 µF, V_OUT = 1.2 V,
I_OUT = 500 mA

Figure 6-81 Thermal Shutdown Activation

V_OUT = 0.65 V

Figure 6-2 Output Accuracy vs V_IN

V_OUT = 3.3 V

Figure 6-4 Output Accuracy vs V_IN

V_OUT = 5.0 V

Figure 6-6 Output Accuracy vs V_IN

V_OUT = 1.2 V, I_OUT = 50 mA

Figure 6-8 Accuracy vs Temperature

V_OUT = 1.2 V, I_OUT = 300 mA

Figure 6-10 Accuracy vs Temperature

V_OUT = 3.3 V

Figure 6-12 Dropout Voltage vs I_OUT

Figure 6-14 I_GND vs I_OUT

I_OUT = 500 µA

Figure 6-16 500-µA Ground Current vs Temperature

V_EN = 0.3 V

Figure 6-18 I_SHDN vs V_IN

V_IN = 2 V

Figure 6-20 V_EN(HI) and V_EN(LOW) Thresholds vs Temperature

V_OUT = 1.2 V

Figure 6-22 Foldback Current Limit vs I_OUT and Temperature

V_OUT = 3.3 V, I_OUT = 1 mA, slew rate = 1 V/µs

Figure 6-24 Line Transient

V_OUT = 1.2 V, I_OUT = 50 mA, slew rate = 1 V/µs, T_J = 25℃

Figure 6-26 Line Transient

V_OUT = 1.2 V, I_OUT = 50 mA, slew rate = 1 V/µs, T_J = 150℃

Figure 6-28 Line Transient

V_OUT = 1.2 V, I_OUT = 100 mA, slew rate = 1 V/µs, T_J = -40℃

Figure 6-30 Line Transient

V_OUT = 1.2 V, I_OUT = 300 mA, slew rate = 1 V/µs, T_J = 25℃

Figure 6-32 Line Transient

V_OUT = 1.2 V, I_OUT = 300 mA, slew rate = 1 V/µs, T_J = 150℃

Figure 6-34 Line Transient

V_OUT = 3.3 V, I_OUT = 50 mA, slew rate = 1 V/µs, T_J = -40℃

Figure 6-36 Line Transient

V_OUT = 3.3 V, I_OUT = 100 mA, slew rate = 1 V/µs, T_J = 25℃

Figure 6-38 Line Transient

V_OUT = 3.3 V, I_OUT = 100 mA, slew rate = 1 V/µs, T_J = 150℃

Figure 6-40 Line Transient

V_IN = 5.5 V, V_OUT = 5.0 V, I_OUT slew rate = 1 A/µs

Figure 6-42 I_OUT Transient From 1 mA to 300 mA

V_IN = 3.8 V, V_OUT = 3.3 V, I_OUT slew rate = 1 A/µs

Figure 6-44 I_OUT Transient From 1 mA to 300 mA

V_IN = 3.8 V, V_OUT = 3.3 V, I_OUT slew rate = 0.5 A/µs

Figure 6-46 I_OUT Transient From 1-mA to 300-mA Falling Edge

V_OUT = 1.2 V, I_OUT = 0 mA to 100 mA , I_OUT slew rate = 1 A/µs, T_J = -40℃

Figure 6-48 Load Transient

V_OUT = 1.2 V, I_OUT = 0 mA to 300 mA , I_OUT slew rate = 1 A/µs, T_J = 25℃

Figure 6-50 Load Transient

V_OUT = 1.2 V, I_OUT = 0 mA to 300 mA , I_OUT slew rate = 1 A/µs, T_J = 150℃

Figure 6-52 Load Transient

V_OUT = 1.2 V, I_OUT = 90 mA to 200 mA,
I_OUT slew rate = 1 A/µs, T_J = -40℃

Figure 6-54 Load Transient

V_OUT = 3.3 V, I_OUT = 0 mA to 100 mA,
I_OUT slew rate = 1 A/µs, T_J = 25℃

Figure 6-56 Load Transient

V_OUT = 3.3 V, I_OUT = 0 mA to 100 mA, I_OUT slew rate = 1 A/µs, T_J = 150℃

Figure 6-58 Load Transient

V_OUT = 3.3 V, I_OUT = 0 mA to 300 mA, I_OUT slew rate = 1 A/µs, T_J = -40℃

Figure 6-60 Load Transient

V_OUT = 3.3 V, I_OUT = 90 mA to 200 mA,
I_OUT slew rate = 1 A/µs, T_J = 25℃

Figure 6-62 Load Transient

V_OUT = 3.3 V, I_OUT = 90 mA to 200 mA,
I_OUT slew rate = 1 A/µs, T_J = 150℃

Figure 6-64 Load Transient

V_IN = 2.2 V, C_IN = 0 µF, V_OUT = 1.2 V

Figure 6-66 PSRR vs Frequency and I_OUT

V_IN = 4.3 V, C_IN = 0 µF, V_OUT = 3.3 V, I_OUT = 300 mA

Figure 6-68 PSRR vs Frequency and C_OUT

V_IN = 6 V, C_IN = 0 µF, V_OUT = 5.0 V

Figure 6-70 PSRR vs Frequency and I_OUT

V_IN = V_OUT(nom) + 1 V, I_OUT = 300 mA,
V_RMS BW = 10 Hz to 100 kHz

Figure 6-72 Output Noise vs Frequency and V_OUT

V_IN = 6 V, V_OUT = 5.0 V, I_OUT = 300 mA,
V_RMS BW = 10 Hz to 100 kHz

Figure 6-74 Output Noise vs Frequency and C_FF

V_IN = V_EN = 5.5 V, C_IN = 0 µF, C_OUT = 1 µF, V_OUT = 5.0 V,
I_OUT = 0 mA

Figure 6-76 Start-Up Inrush Current With
C_OUT = 1 µF

V_IN = 5 V, C_IN = 1 µF, C_OUT = 10 µF, V_OUT = 1.2 V,
I_OUT = 500 mA

Figure 6-78 Start Up at –40°C

V_IN = 5 V, C_IN = 1 µF, C_OUT = 10 µF, V_OUT = 1.2 V,
I_OUT = 500 mA

Figure 6-80 Start Up at 150°C

C_OUT denotes nominal capacitor size
(not effective capacitance)

Figure 6-82 ESR vs C_OUT