JAJSEV1 データシート

JAJSEV1A September 2017 – February 2018 TPS7A54-Q1

PRODUCTION DATA.

6.6 Typical Characteristics

at T_A = 25°C, V_IN = 1.4 V or V_IN = V_OUT(NOM) + 0.4 V (whichever is greater), V_BIAS = open, V_OUT(NOM) = 0.8 V, V_EN = 1.1 V, C_OUT = 47 µF, C_NR/SS = 0 nF, C_FF = 0 nF, and PG pin pulled up to V_IN with 100 kΩ (unless otherwise noted)

V_IN = 1.1 V, V_BIAS = 5 V,
C_OUT = 47 µF || 10 µF || 10 µF, C_NR/SS = 10 nF, C_FF = 10 nF

Figure 1. PSRR vs Frequency and I_OUT

V_IN = 1.4 V, I_OUT = 1 A,
C_OUT = 47 µF || 10 µF || 10 µF, C_NR/SS = 10 nF, C_FF = 10 nF

Figure 3. PSRR vs Frequency and V_BIAS

V_IN = V_OUT + 0.3 V, V_BIAS = 5.0 V, I_OUT = 3 A,
C_OUT = 47 µF || 10 µF || 10 µF, C_NR/SS = 10 nF, C_FF = 10 nF

Figure 5. PSRR vs Frequency and V_OUT With Bias

V_IN = V_OUT + 0.3 V, V_OUT = 1 V, I_OUT = 3 A, C_NR/SS = 10 nF,
C_FF = 10 nF

Figure 7. PSRR vs Frequency and C_OUT

V_IN= V_OUT + 0.3 V and V_BIAS = 5 V for V_OUT ≤ 2.2 V,
C_OUT = 47 µF || 10 µF || 10 µF, C_NR/SS = 10 nF, C_FF = 10 nF,
RMS noise BW = 10 Hz to 100 kHz

Figure 9. Output Voltage Noise vs Output Voltage

I_OUT = 3 A, C_OUT = 47 µF || 10 µF || 10 µF, C_NR/SS = 10 nF,
C_FF = 10 nF, RMS noise BW = 10 Hz to 100 kHz

Figure 11. Output Noise vs Frequency and Input Voltage

V_IN= V_OUT + 0.3 V, V_BIAS = 5 V, I_OUT = 3 A, sequencing with a dc/dc converter and PG, C_OUT = 47 µF || 10 µF || 10 µF,
C_NR/SS = 10 nF, RMS noise BW = 10 Hz to 100 kHz

Figure 13. Output Noise vs Frequency and C_FF

V_IN = 1.2 V, V_OUT = 0.9 V, V_BIAS = 5.0 V, I_OUT= 3 A,
C_OUT = 47 µF || 10 µF || 10 µF, C_FF = 10 nF

Figure 15. Start-Up Waveform vs Time and C_NR/SS

TPS7A54-Q1 Load_trans_vs_Vout_no_bias.gif

I_{OUT, DC}= 100 mA, C_OUT = 47 µF || 10 µF || 10 µF,
C_NR/SS = C_FF = 10 nF, slew rate = 1 A/µs

Figure 17. Load Transient vs Time and V_OUT Without Bias

V_IN = 1.2 V, V_BIAS = 5.0 V, C_OUT = 47 µF || 10 µF || 10 µF,
C_NR/SS = C_FF = 10 nF, slew rate = 1 A/µs

Figure 19. Load Transient vs Time and DC Load
(V_OUT = 0.9 V)

I_OUT = 3 A, V_BIAS = 6.5 V

Figure 21. Dropout Voltage vs Input Voltage With Bias

V_IN = 1.1 V, V_BIAS = 3 V

Figure 23. Dropout Voltage vs Output Current With Bias

V_IN = 1.4 V, V_BIAS = 0 V

Figure 25. Load Regulation With Bias

V_BIAS = 0 V, I_OUT = 5 mA

Figure 27. Quiescent Current vs Input Voltage

V_BIAS = 0 V

Figure 29. Shutdown Current vs Input Voltage

V_BIAS = 0 V

Figure 31. NR/SS Current vs Temperature

V_IN = 1.1 V

Figure 33. V_BIAS UVLO vs Temperature

Figure 35. PG Voltage vs PG Current Sink

Figure 37. PG Threshold vs Temperature

I_OUT = 3 A, V_BIAS = 5 V,
C_OUT = 47 µF || 10 µF || 10 µF, C_NR/SS = 10 nF, C_FF = 10 nF

Figure 2. PSRR vs Frequency and V_IN With Bias

I_OUT = 1 A,
C_OUT = 47 µF || 10 µF || 10 µF, C_NR/SS = 10 nF, C_FF = 10 nF

Figure 4. PSRR vs Frequency and V_IN

I_OUT = 3 A, C_OUT = 47 µF || 10 µF || 10 µF, C_NR/SS = 10 nF,
C_FF = 10 nF

Figure 6. PSRR vs Frequency and V_IN for V_OUT = 3.3 V

V_IN = V_OUT + 0.3 V, V_OUT = 1 V, I_OUT = 3 A,
C_OUT = 47 µF || 10 µF || 10 µF, C_NR/SS = 10 nF, C_FF = 10 nF

Figure 8. V_BIAS PSRR vs Frequency and V_BIAS

V_IN= V_OUT + 0.3 V and V_BIAS = 5 V for V_OUT ≤ 2.2 V, I_OUT = 3 A, C_OUT = 47 µF || 10 µF || 10 µF, C_NR/SS = 10 nF, C_FF = 10 nF,
RMS noise BW = 10 Hz to 100 kHz

Figure 10. Output Noise vs Frequency and V_OUT