at TA = 25°C, VIN = 1.4 V or VIN = VOUT(nom) + 0.4 V (w
hichever is greater), VBIAS = open, VOUT(nom) = 0.8 V, VEN = 1.1 V, CIN = 10 μF, COUT = 47 μF, CNR/SS = 0 nF, no CFF, and PG pin pulled up to VIN with 100 kΩ (unless otherwise noted)
![PSRR
vs Frequency and IOUT GUID-171A6C7C-766A-4871-9AF4-6A6B63F499FA-low.gif](/ods/images/SBVS291C/GUID-171A6C7C-766A-4871-9AF4-6A6B63F499FA-low.gif)
VIN = 1.1 V, VBIAS = 5 V,
COUT = 47 μF || 10 μF || 10 μF, CNR/SS = 10 nF,
CFF = 10 nF |
Figure 6-1 PSRR
vs Frequency and IOUT![PSRR
vs Frequency and VBIAS GUID-592EDA69-335C-459B-B63B-F375A0DEC446-low.gif](/ods/images/SBVS291C/GUID-592EDA69-335C-459B-B63B-F375A0DEC446-low.gif)
VIN = 1.4 V, IOUT = 1 A,
COUT = 47 μF || 10 μF || 10 μF, CNR/SS = 10 nF,
CFF = 10 nF |
Figure 6-3 PSRR
vs Frequency and VBIAS![PSRR
vs Frequency and VOUT With Bias GUID-C4E92AAC-FFAC-4E02-902D-9DB9A08761C7-low.gif](/ods/images/SBVS291C/GUID-C4E92AAC-FFAC-4E02-902D-9DB9A08761C7-low.gif)
VIN = VOUT + 0.3 V,
VBIAS = 5 V, IOUT = 3 A,
COUT = 47 μF || 10 μF || 10 μF,
CNR/SS = 10 nF, CFF = 10
nF |
Figure 6-5 PSRR
vs Frequency and VOUT With Bias![PSRR
vs Frequency and COUT GUID-815CAA90-9495-4447-BAF3-6B8038F68E77-low.gif](/ods/images/SBVS291C/GUID-815CAA90-9495-4447-BAF3-6B8038F68E77-low.gif)
VIN = 1.4 V, VBIAS = 5 V,
VOUT = 1 V, IOUT = 3 A, CNR/SS = 10 nF,
CFF = 10 nF |
Figure 6-7 PSRR
vs Frequency and COUT![Output Voltage Noise vs VOUT GUID-92467DC4-9688-4A45-AE6A-7E99C5954E60-low.gif](/ods/images/SBVS291C/GUID-92467DC4-9688-4A45-AE6A-7E99C5954E60-low.gif)
VIN = VOUT + 0.3 V and
VBIAS = 5 V for VOUT ≤ 2.2 V,
COUT = 47
μF || 10 μF || 10 μF, CNR/SS = 10 nF,
CFF = 10 nF, RMS noise BW = 10 Hz to 100
kHz |
Figure 6-9 Output Voltage Noise vs VOUT![Output Noise vs Frequency and VIN GUID-1DA0FE85-E2A6-44D4-A858-B5E9DD8BBE77-low.gif](/ods/images/SBVS291C/GUID-1DA0FE85-E2A6-44D4-A858-B5E9DD8BBE77-low.gif)
IOUT = 3 A, COUT = 47 μF ||
10 μF || 10 μF, CNR/SS = 10 nF, CFF = 10 nF,
RMS noise BW = 10 Hz to 100 kHz |
Figure 6-11 Output Noise vs Frequency and VIN![Output Noise vs Frequency and CFF GUID-1BCD694B-DB31-41D4-B371-ECB9AF8C38EA-low.gif](/ods/images/SBVS291C/GUID-1BCD694B-DB31-41D4-B371-ECB9AF8C38EA-low.gif)
VIN = VOUT + 0.3 V,
VBIAS = 5 V, IOUT = 3 A,
COUT = 47 μF || 10 μF || 10 μF,
CNR/SS = 10 nF, RMS noise BW = 10 Hz to
100 kHz |
Figure 6-13 Output Noise vs Frequency and CFF![Start-Up Waveform vs Time and CNR/SS GUID-ECD8D6E3-D557-454E-9D2D-BF090D320E5D-low.gif](/ods/images/SBVS291C/GUID-ECD8D6E3-D557-454E-9D2D-BF090D320E5D-low.gif)
VIN = 1.2 V, VOUT = 0.9 V,
VBIAS = 5 V, IOUT = 3 A, COUT = 47 μF ||
10 μF || 10 μF, CFF = 10 nF |
Figure 6-15 Start-Up Waveform vs Time and CNR/SS![Load
Transient vs Time and VOUT Without Bias GUID-080E4D87-7912-4C59-B779-1494D542492D-low.gif](/ods/images/SBVS291C/GUID-080E4D87-7912-4C59-B779-1494D542492D-low.gif)
IOUT, DC = 100 mA, COUT = 47
μF || 10 μF || 10 μF, CNR/SS = CFF = 10 nF, slew
rate = 1 A/μs |
Figure 6-17 Load
Transient vs Time and VOUT Without Bias![Load
Transient vs Time and DC Load GUID-520C7613-DFB6-44CA-AB81-03D7354722B2-low.gif](/ods/images/SBVS291C/GUID-520C7613-DFB6-44CA-AB81-03D7354722B2-low.gif)
VIN = 1.2 V, VBIAS = 5 V,
COUT = 47 μF || 10 μF || 10 μF, VOUT = 0.9 V,
CNR/SS = CFF = 10 nF, slew
rate = 1 A/μs |
Figure 6-19 Load
Transient vs Time and DC Load![Dropout Voltage vs VIN With Bias GUID-F0600DA6-0E62-416B-BA0B-F9D836DECEE2-low.gif](/ods/images/SBVS291C/GUID-F0600DA6-0E62-416B-BA0B-F9D836DECEE2-low.gif)
IOUT = 3 A, VBIAS = 6.5
V |
Figure 6-21 Dropout Voltage vs VIN With Bias
Figure 6-23 Dropout Voltage vs IOUT With Bias
Figure 6-25 Load
Regulation vs VOUT
Figure 6-27 Load
Regulation vs IOUT (3.3-V Output)![Line
Regulation vs VIN GUID-8E1AD43A-240B-4E49-A867-B5D2A3F298D0-low.gif](/ods/images/SBVS291C/GUID-8E1AD43A-240B-4E49-A867-B5D2A3F298D0-low.gif)
VOUT = 0.8 V, IOUT = 5
mA |
Figure 6-29 Line
Regulation vs VIN
Figure 6-31 Line
Regulation vs VIN (5-V Output)
Figure 6-33 Bias
Pin Current vs Bias Voltage
Figure 6-35 Shutdown Current vs Bias Voltage
Figure 6-37 VIN UVLO vs Temperature
Figure 6-39 Enable Threshold vs Temperature
Figure 6-41 PG
Voltage vs PG Current Sink![PSRR
vs Frequency and VIN With Bias GUID-D3AA1A46-5CFB-4C0B-90AD-052A10290CF0-low.gif](/ods/images/SBVS291C/GUID-D3AA1A46-5CFB-4C0B-90AD-052A10290CF0-low.gif)
IOUT = 3 A, VBIAS = 5 V,
COUT = 47 μF || 10 μF || 10 μF, CNR/SS = 10 nF,
CFF = 10 nF |
Figure 6-2 PSRR
vs Frequency and VIN With Bias![PSRR
vs Frequency and VIN GUID-D874DFC5-5804-4B54-B4A6-FA8EAA32027A-low.gif](/ods/images/SBVS291C/GUID-D874DFC5-5804-4B54-B4A6-FA8EAA32027A-low.gif)
IOUT = 1 A, COUT = 47 μF ||
10 μF || 10 μF, CNR/SS = 10 nF, CFF = 10
nF |
Figure 6-4 PSRR
vs Frequency and VIN![PSRR
vs Frequency and VIN
(VOUT = 3.3 V) GUID-A7DFBD2B-F84A-4B8C-9405-2E4B1F81C592-low.gif](/ods/images/SBVS291C/GUID-A7DFBD2B-F84A-4B8C-9405-2E4B1F81C592-low.gif)
IOUT = 3 A, COUT = 47 μF ||
10 μF || 10 μF, CNR/SS = 10 nF, CFF = 10
nF |
Figure 6-6 PSRR
vs Frequency and VIN
(VOUT = 3.3 V)![VBIAS PSRR vs Frequency GUID-275689B1-A7AC-4F99-8FB9-BFBB8923304A-low.gif](/ods/images/SBVS291C/GUID-275689B1-A7AC-4F99-8FB9-BFBB8923304A-low.gif)
VIN = VOUT + 0.3 V,
VOUT = 1 V, IOUT = 3 A,
COUT = 47 μF || 10 μF || 10 μF,
CNR/SS = 10 nF, CFF = 10
nF |
Figure 6-8 VBIAS PSRR vs Frequency![Output Noise vs Frequency and VOUT GUID-C76F14CB-8CB8-4E6C-B5BC-5AE329598A1A-low.gif](/ods/images/SBVS291C/GUID-C76F14CB-8CB8-4E6C-B5BC-5AE329598A1A-low.gif)
VIN = VOUT + 0.3 V and
VBIAS = 5 V for VOUT ≤ 2.2 V,
IOUT = 3 A, COUT = 47 μF || 10
μF || 10 μF, CNR/SS = 10 nF, CFF =
10 nF, RMS noise BW = 10 Hz to 100 kHz |
Figure 6-10 Output Noise vs Frequency and VOUT![Output Noise vs Frequency and CNR/SS GUID-5E8DFD67-041B-451B-A689-C19B6C1798A5-low.gif](/ods/images/SBVS291C/GUID-5E8DFD67-041B-451B-A689-C19B6C1798A5-low.gif)
VIN = VOUT + 0.3 V,
VBIAS = 5 V, IOUT = 3 A,
COUT = 47 μF || 10 μF || 10 μF,
CFF = 10 nF, RMS noise BW = 10 Hz to 100
kHz |
Figure 6-12 Output Noise vs Frequency and CNR/SS![Output Noise at 5-V Output GUID-0E406DA4-1132-4E18-A153-EAB8060DB1E8-low.gif](/ods/images/SBVS291C/GUID-0E406DA4-1132-4E18-A153-EAB8060DB1E8-low.gif)
IOUT = 3 A, COUT = 47 μF ||
10 μF || 10 μF, CFF = 10 nF, RMS noise BW = 10 Hz to
100 kHz |
|
Figure 6-14 Output Noise at 5-V Output![Load
Transient vs Time and VOUT With Bias GUID-79DFC6A8-5774-4576-99D9-18C005C608C0-low.gif](/ods/images/SBVS291C/GUID-79DFC6A8-5774-4576-99D9-18C005C608C0-low.gif)
VIN = VOUT + 0.3 V,
VBIAS = 5 V, IOUT, DC = 100
mA, slew rate = 1 A/μs, CNR/SS =
CFF = 10 nF, COUT = 47 μF ||
10 μF || 10 μF |
Figure 6-16 Load
Transient vs Time and VOUT With Bias![Load
Transient vs Time and Slew Rate GUID-C1604836-2D01-4074-B7C9-ADF8D32F2F91-low.gif](/ods/images/SBVS291C/GUID-C1604836-2D01-4074-B7C9-ADF8D32F2F91-low.gif)
VOUT = 5 V, IOUT, DC = 100
mA, IOUT = 100 mA to 3 A, COUT = 47 μF ||
10 μF || 10 μF, CNR/SS = CFF = 10
nF |
Figure 6-18 Load
Transient vs Time and Slew Rate
Figure 6-20 Dropout Voltage vs VIN Without Bias
Figure 6-22 Dropout Voltage vs IOUT Without Bias
Figure 6-24 Dropout Voltage vs IOUT (High VIN)
Figure 6-26 Load
Regulation vs IOUT
Figure 6-28 Load
Regulation vs IOUT (5-V Output)![Line
Regulation With Bias GUID-DEC7C234-7CFB-43B9-A0A0-C82A5BF3AEE9-low.gif](/ods/images/SBVS291C/GUID-DEC7C234-7CFB-43B9-A0A0-C82A5BF3AEE9-low.gif)
VOUT = 0.8 V, VIN = 1.1 V,
IOUT = 5 mA, VBIAS = 5
V |
Figure 6-30 Line
Regulation With Bias
Figure 6-32 Ground Pin Current vs VIN
Figure 6-34 Shutdown Current vs VIN
Figure 6-36 INR/SS Current vs VIN
Figure 6-38 VBIAS UVLO vs Temperature
Figure 6-40 PG
Voltage vs PG Current Sink
Figure 6-42 PG
Threshold vs Temperature