Over |VIN| = 3 V,
IOUT = 1 mA, CIN = 20 µF, COUT = 20 µF,
CNR_SS = 0 nF, FB tied to OUT, EN tied to IN, TA = 25°C,
unless otherwise noted.
Figure 6-1 Reference Voltage vs Input Voltage
Across
Temperature Figure 6-3 Ground Current vs Input Voltage
Across Output
Current Figure 6-5 Ground Current vs Output Current
Across
Temperature
Figure 6-7 Quiescent Current vs Input Voltage
Across
Temperature
IOUT = 500
mA |
CIN = 30
μF |
|
Figure 6-9 Dropout Voltage vs Input Voltage
Across
Temperature
VIN = –4.6
V |
VOUT(SET) = –5 V |
CIN = 30
μF |
Figure 6-11 Dropout Voltage vs Temperature
Across Output
Current
Each
individual curve is normalized to 0% at VIN =
–3 V |
Figure 6-13 Line
Regulation vs Input Voltage
Across
Temperature
CNR_SS = 100 nF |
IOUT = 1 A |
CIN = 0 μF(A) |
All curves have 100-nF and
10-nF capacitor on VOUT |
Figure 6-15 Power-Supply Rejection Ratio vs Frequency Across COUT
COUT = 50.11 μF |
CNR_SS = 100 nF |
CIN = 0 μF(A) |
|
Figure 6-17 Power-Supply Rejection Ratio vs Frequency Across Output Current
COUT = 50.11 μF |
CNR_SS = 100 nF |
CIN = 0 μF(A) |
IOUT = 1 A |
VOUT = –5 V |
|
|VIN| =
|VOUT + VDO|, 3-V
minimum |
Figure 6-19 Power-Supply Rejection Ratio vs Frequency Across Dropout Voltage
COUT = 50.11 μF |
IOUT = 1 A |
CIN = 11.1 μF |
VN = output noise
RMS voltage (10-Hz to 100-kHz bandwidth) |
Figure 6-21 Output Noise vs Frequency Across CNR_SS
(Noise Spectral Density)
COUT = 50.11 μF |
IOUT = 1 A |
CIN = 11.1 μF |
|VIN| =
|VOUT + VDO|, 3-V
minimum |
VN = output noise
RMS voltage (10-Hz to 100-kHz bandwidth) |
Figure 6-23 Output Noise vs Frequency Across Output Voltage
(Noise Spectral Density)
VIN = –15 V |
VOUT = –12 V |
IOUT (slew) = 1 A / 10 μs |
CIN = 11.1 μF |
COUT = 50 μF |
CNR_SS = 100 nF |
Figure 6-25 Load
Step: 500 mA to 1 mA
IFB > 0 flows into the device |
Figure 6-2 Feedback Leakage Current vs Temperature
Across Input VoltageFigure 6-4 Ground Current vs Input Voltage
Across
Temperature Figure 6-6 Enable Current vs Enable Voltage
Across
Temperature
Figure 6-8 Shutdown Current vs Input Voltage
Across
Temperature
VIN = –4.6
V |
VOUT(SET) = –5 V |
CIN = 30
μF |
Figure 6-10 Dropout Voltage vs Output Current
Across
TemperatureFigure 6-12 Enable Threshold Voltage vs Temperature
Each
individual curve is normalized to 0% at IOUT
= 0 mA |
Figure 6-14 Load
Regulation vs Output Current
Across
Temperature
COUT = 50.11 μF |
IOUT = 1 A |
CIN = 0 μF(A) |
|
Figure 6-16 Power-Supply Rejection Ratio vs Frequency Across CNR_SS
COUT = 50.11 μF |
CNR_SS = 100 nF |
CIN = 0 μF(A) |
IOUT = 1 A |
|VIN| =
|VOUT + 1 V|, 3-V minimum |
Figure 6-18 Power-Supply Rejection Ratio vs Frequency Across Output Voltage
COUT = 50.11 μF |
CNR_SS = 100 nF |
CIN = 11.1 μF |
VN = output noise
RMS voltage (10-Hz to 100-kHz bandwidth) |
|
Figure 6-20 Output Noise vs Frequency Across Output Current
(Noise Spectral Density)
COUT = 50.11 μF |
IOUT = 1 mA |
CIN = 11.1 μF |
VN = output noise
RMS voltage (10-Hz to 100-kHz bandwidth) |
Figure 6-22 Output Noise vs Frequency Across CNR_SS
(Noise Spectral Density)
VIN = –15 V |
VOUT = –12 V |
IOUT (slew) = 1 A / 10 μs |
CIN = 11.1 μF |
COUT = 50 μF |
CNR_SS = 100 nF |
Figure 6-24 Load
Step: 1 mA to 500 mA
VIN(SET) = –15 V |
VOUT(SET) = –12 V |
CIN = 11.1 μF |
COUT = 50 μF |
CNR_SS = 100 nF |
|
Figure 6-26 Start-up with Soft-Start