The conditions for the below application curves
are VIN = 3.6 V, VOUT = 1.2 V, and the components listed in
Table 9-1, unless otherwise noted.
TPS62800 | RVSEL = 10 kΩ to GND |
Figure 9-2 Efficiency Power Save
Mode
VOUT = 0.4 VTPS62801 | RVSEL = 10 kΩ to GND |
Figure 9-4 Efficiency Power Save
Mode
VOUT = 0.8 VTPS62801 | RVSEL = 56.2 kΩ |
VSEL/MODE pin = high after start-up |
Figure 9-6 Efficiency Forced PWM
Mode
VOUT = 1.2 VTPS62801 | VSEL/MODE = GND, VOUT = 1.2
V |
| |
Figure 9-8 Inductor ComparisonTPS62802 | 3.3 V VOUT, VSEL/MODE = 249
k |
Figure 9-10 Efficiency Power Save
Mode
VOUT = 3.3 VTPS62807 | VOUT = 1.2 V, VSEL/MODE =
GND |
L = 1-µH DFE201610E |
Figure 9-12 Efficiency Power Save
Mode
VOUT = 1.2 VTPS62801 | VSEL/MODE = GND |
VOUT = 1.2 V | PFM/PWM mode | TJ = 25°C |
Figure 9-14 Output Voltage vs Output CurrentTPS62801 | VSEL/MODE = GND |
VOUT = 1.2 V | PFM/PWM mode | TJ = 85°C |
Figure 9-16 Output Voltage vs Output CurrentTPS62801 | VSEL/MODE = high after start-up |
VOUT = 1.2 V | Forced PWM mode | TJ = –40°C |
Figure 9-18 Output Voltage vs Output CurrentTPS62801 | VSEL/MODE = GND |
VOUT = 1.2 V | PFM/PWM mode | TJ = 25°C |
Figure 9-20 Switching Frequency vs Output CurrentTPS62801 | VSEL/MODE = high after start-up |
VOUT = 1.2 V | Forced PWM Mode | TJ = 25°C |
Figure 9-22 Switching Frequency vs Output Current
TPS62806 |
VSEL/MODE =
GND |
L = 1
µH |
VOUT = 0.7
V |
PFM/PWM mode |
TJ = 25°C |
Figure 9-24 Switching Frequency vs Output Current
TPS62801 |
VOUT = 1.2
V |
VSEL/MODE = GND |
|
IOUT = 10
mA |
PFM mode |
Figure 9-26 Typical Operation Power Save Mode
VOUT = 0.7
V |
IOUT = 0
mA |
VSEL/MODE = VIN (after
start-up) |
VIN = 3.8
V |
PFM
Mode, L = 1-µH DFE201610E |
Figure 9-28 TPS62806 Typical Forced
PWM Mode Operation (1.5 MHz)
Forced PWM mode |
VOUT = 1.2 V |
IOUT = 0 mA |
VSEL/MODE = VIN (after start-up) |
Figure 9-30 TPS62801 Typical
Operation Forced PWM Mode
TPS62801 |
VOUT = 1.2 V |
VSEL/MODE = GND |
rise / fall time < 1 µs |
PFM /
PWM mode |
|
IOUT = 5 mA to 500 mA |
Figure 9-32 Load Transient Power Save ModeTPS62801 | VOUT = 1.2 V | VSEL/MODE = GND |
IOUT = 1 mA to 1 A 1 kHz | PFM/PWM mode |
| |
Figure 9-34 AC Load Sweep Power Save ModeTPS62801 | VOUT = 1.2 V | VIN = 3.6 V to 4.2 V |
rise / fall time = 10 µs | IOUT = 50 mA |
Figure 9-36 Line Transient PFM Mode
VOUT = 0.8 V |
VSEL/MODE = Low (through RVSEL) |
RVSEL = 10
kΩ |
RLoad = 220 Ω |
|
|
Figure 9-38 TPS62801 Start-Up,
VOUT = 0.8 V
VOUT = 1.55 V |
VSEL/MODE = Low (through RVSEL) |
RLoad = 220
Ω |
RVSEL = 249 kΩ |
|
|
Figure 9-40 TPS62801 Start-Up,
VOUT = 1.55 VFigure 9-42 Start-Up Delay Time, VSEL
= 0 Figure 9-44 Start-Up Delay Time, VSEL
= 7 Figure 9-46 Start-Up Delay Time, VSEL
= 16 Figure 9-3 Efficiency Power Save
Mode
VOUT = 0.7 V TPS62801 | RVSEL = 15.4 kΩ to GND |
Figure 9-5 Efficiency Power Save
Mode
VOUT = 0.9 VFigure 9-7 Efficiency Power Save
Mode
VOUT = 1.2 V Figure 9-9 Efficiency Power Save Mode
VOUT =
1.8 V
TPS62806 |
VOUT = 0.7 V, VSEL/MODE = GND |
L =
1-µH DFE201610E |
Figure 9-11 Efficiency Power Save Mode
VOUT = 0.7
VTPS62808 | VOUT = 1.8 V, VSEL/MODE =
GND |
L = 1-µH DFE201610E |
Figure 9-13 Efficiency Power Save
Mode
VOUT = 1.8 VTPS62801 | VSEL/MODE = GND |
VOUT = 1.2 V | PFM/PWM mode | TJ = –40°C |
Figure 9-15 Output Voltage vs Output CurrentTPS62801 | VSEL/MODE = high after start-up |
VOUT = 1.2 V | Forced PWM mode | TJ = 25°C |
Figure 9-17 Output Voltage vs Output CurrentTPS62801 | VSEL/MODE = high after start-up |
VOUT = 1.2 V | Forced PWM mode | TJ = 85°C |
Figure 9-19 Output Voltage vs Output CurrentTPS62801 | VSEL/MODE = GND |
VOUT = 1.2 V | PFM/PWM mode | TJ = 25°C |
Figure 9-21 Switching Frequency (Zoom
In)TPS62801 | VSEL/MODE = 10 kΩ to GND |
VOUT = 0.8 V | PFM/PWM mode | TJ = 25°C |
Figure 9-23 Switching Frequency vs Output Current
TPS62801 |
VOUT = 1.2
V |
VSEL/MODE = GND |
|
IOUT = 25
µA |
PFM mode |
Figure 9-25 Typical Operation Power Save ModeVOUT = 0.7 V | IOUT = 10 mA | VSEL/MODE = GND |
VIN = 3.8 V | PFM Mode, L = 1-µH DFE201610E |
Figure 9-27 TPS62806 Typical
Operation Power Save ModePWM mode | VOUT = 1.2 V | VSEL/MODE = GND |
IOUT = 500 mA |
| | |
Figure 9-29 TPS62801 Typical
Operation PWM Mode
TPS62801 |
VOUT = 1.2
V |
VSEL/MODE = GND |
rise / fall time < 1
µs |
IOUT = 0 mA to 50 mA, PFM Mode |
Figure 9-31 Load Transient Power Save Mode
Forced PWM mode |
VOUT = 1.2 V |
VSEL/MODE = VIN (after start-up) |
rise / fall time < 1 µs |
IOUT = 5 mA to 500 mA |
|
|
Figure 9-33 TPS62801 Load Transient
Forced PWM ModeTPS62801 | VOUT = 1.2 V | VSEL/MODE = VIN |
IOUT = 1 mA to 1 A, 1 kHz | (after start-up) |
| Forced PWM mode |
Figure 9-35 AC Load Sweep Forced PWM ModeTPS62801 | VOUT = 1.2 V | VIN = 3.6 V to 4.2 V |
rise / fall time = 10 µs | IOUT = 500 mA |
Figure 9-37 Line Transient PWM ModeTPS62801 | VOUT = 1.2 V | VSEL/MODE = GND |
| | RLoad = 220 Ω |
| | |
Figure 9-39 Start-Up, VOUT
= 1.2 VTPS62801 | VOUT = 1.2 V | VSEL/MODE = VIN |
| EN = high to low | No load |
| | |
Figure 9-41 Output DischargeFigure 9-43 Start-Up Delay Time, VSEL
= 1 Figure 9-45 Start-Up Delay Time, VSEL
= 8