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ZHCSHM2D June 2018 – April 2025 TPS746-Q1

PRODUCTION DATA

封裝選項

機械數(shù)據(jù) (封裝 | 引腳)

DRB|8
- MPDS118K
DRV|6
- MPDS216E

散熱焊盤機械數(shù)據(jù) (封裝 | 引腳)

DRB|8
- QFND619
DRV|6
- QFND651

訂購信息

5.7 Typical Characteristics

at operating temperature range T_J = 25°C, V_IN = V_OUT(NOM) + 0.5 V or 1.5 V (whichever is greater), I_OUT = 1 mA, V_EN = V_IN, and C_IN = C_OUT = 1 μF (unless otherwise noted)

V_OUT = 3.3 V, I_OUT = 1 mA

Figure 5-1 3.3-V Line Regulation vs V_IN

V_OUT = 5.5 V, I_OUT = 1 mA

Figure 5-3 5.5-V Line Regulation vs V_IN

TPS746-Q1 0.55-V Dropout Voltage vs IOUT

Figure 5-5 0.55-V Dropout Voltage vs I_OUT

I_OUT = 1 A

Figure 5-7 V_DO vs V_OUT

V_EN = 0 V

Figure 5-9 I_SHDN vs V_IN

V_IN = 3.8 V, V_OUT = 3.3 V

Figure 5-11 3.3-V Load Regulation vs I_OUT

V_IN = 6 V, V_OUT = 5 V

Figure 5-13 5-V Load Regulation vs I_OUT

TPS746-Q1 PGLTH and PGHTH vs Temperature

Figure 5-15 PG_LTH and PG_HTH vs Temperature

TPS746-Q1 VOL(PG) vs PG Pin Sink Current

V_IN = 3.8 V, V_OUT = 3.3 V

Figure 5-17 V_OL(PG) vs PG Pin Sink Current

TPS746-Q1 tPGDH vs Temperature (For TPS746B Only)

Figure 5-19 t_PGDH vs Temperature (For TPS746B Only)

TPS746-Q1 VEN(HI) and VEN(LO) vs Temperature

Figure 5-21 V_EN(HI) and V_EN(LO) vs Temperature

TPS746-Q1 3.3-V Foldback Current Limit vs IOUT

Figure 5-23 3.3-V Foldback Current Limit vs I_OUT

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

Figure 5-25 3.3-V Line Transient

TPS746-Q1 1-mA to 1-A Load Transient (5 V)

V_OUT = 5 V, V_IN = 5.5 V, I_OUT slew rate = 1 A/μs

Figure 5-27 1-mA to 1-A Load Transient (5 V)

V_IN = 3.8 V, V_OUT = 3.3 V, I_OUT = 1 mA

Figure 5-29 V_IN Power-Up

V_OUT = 3.3 V, I_OUT = 500 mA, C_OUT = 2.2 μF

Figure 5-31 PSRR vs Frequency and V_IN

V_OUT = 3.3 V, I_OUT = 250 mA, C_OUT = 2.2 μF

Figure 5-33 PSRR vs Frequency and V_IN

I_OUT = 500 mA, C_OUT = 2.2 μF

Figure 5-35 PSRR vs Frequency

V_IN = 3.8 V, V_OUT = 3.3 V, I_OUT = 500 mA

Figure 5-37 PSRR vs Frequency and C_OUT

V_IN = 3.8 V, V_OUT = 3.3 V, C_OUT = 2.2 μF

Figure 5-39 PSRR vs Frequency and I_LOAD

TPS746-Q1 Output Spectral Noise Density vs Frequency and IOUT

V_IN = 3.8 V, V_OUT = 3.3 V, C_OUT = 2.2 μF, V_RMS BW = 10 Hz to 100 kHz

Figure 5-41 Output Spectral Noise Density vs Frequency and I_OUT

TPS746-Q1 Output Spectral Noise Density vs Frequency and COUT

V_IN = 3.8 V, V_OUT = 3.3 V, I_OUT = 100 mA, C_FF = 0 μF, V_RMS BW = 10 Hz to 100 kHz

Figure 5-43 Output Spectral Noise Density vs Frequency and C_OUT

V_OUT = 0.55 V, I_OUT = 1 mA

Figure 5-2 0.55-V Line Regulation vs V_IN

Figure 5-4 3.3-V Dropout Voltage vs I_OUT

Figure 5-6 5.5-V Dropout Voltage vs I_OUT

Figure 5-8 I_GND vs I_OUT

V_OUT = 3.3 V, I_OUT = 0 mA

Figure 5-10 I_GND vs V_IN

TPS746-Q1 0.55-V Load Regulation vs IOUT

V_IN = 2 V, V_OUT = 0.55 V

Figure 5-12 0.55-V Load Regulation vs I_OUT

TPS746-Q1 VOUT vs IOUT Pulldown Resistor

Figure 5-14 V_OUT vs I_OUT Pulldown Resistor

TPS746-Q1 IIkg(PG) vs Temperature and PG Pin Voltage

Figure 5-16 I_Ikg(PG) vs Temperature and PG Pin Voltage

Figure 5-18 t_PGDH vs Temperature

Figure 5-20 t_PGDL vs Temperature

V_EN = 5.5 V

Figure 5-22 I_EN vs V_IN

V_OUT = 0.55 V, I_OUT = 1 mA, V_IN slew rate = 1 V/μs

Figure 5-24 0.55-V Line Transient

TPS746-Q1 1-mA to 1-A Load Transient (0.55 V)

V_OUT = 0.55 V, V_IN = 2 V, I_OUT slew rate = 1 A/μs

Figure 5-26 1-mA to 1-A Load Transient (0.55 V)

TPS746-Q1 1-mA to 1-A Load Transient (3.3 V)

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

Figure 5-28 1-mA to 1-A Load Transient (3.3 V)

V_IN = 3.8 V, V_OUT = 3.3 V, I_OUT = 1 mA

Figure 5-30 Startup With EN

V_OUT = 3.3 V, I_OUT = 500 mA, C_OUT = 2.2 μF

Figure 5-32 PSRR vs Frequency and V_IN

V_OUT = 3.3 V, I_OUT = 250 mA, C_OUT = 2.2 μF

Figure 5-34 PSRR vs Frequency and V_IN

I_OUT = 1 A, C_OUT = 2.2 μF

Figure 5-36 PSRR vs Frequency

V_IN = 3.8 V, V_OUT = 3.3 V, I_OUT = 500 mA

Figure 5-38 PSRR vs Frequency and C_FF

V_IN = 3.8 V, V_OUT = 3.3 V, C_OUT = 4.7 μF, V_RMS BW = 10 Hz to 100 kHz

Figure 5-40 Output Spectral Noise Density vs Frequency and I_OUT

TPS746-Q1 Output Spectral Noise Density vs Frequency and CFF

V_IN = 3.8 V, V_OUT = 3.3 V, I_OUT = 500 mA, C_OUT = 2.2 μF, V_RMS BW = 10 Hz to 100 kHz

Figure 5-42 Output Spectral Noise Density vs Frequency and C_FF

TPS746-Q1 Output Spectral Noise Density vs Frequency

I_OUT = 500 mA, C_OUT = 2.2 μF, V_RMS BW = 10 Hz to 100 kHz

Figure 5-44 Output Spectral Noise Density vs Frequency