ZHCSQT5 July 2022 TPS7A57
PRODUCTION DATA
Output impedance can be modeled, as shown in Figure 8-13, as an ideal voltage source followed by a series R (ROUT) and series L (LOUT) output.
Figure 8-13 Output Impedance ModelOutput impedance curves were measured using the EVM and are provided for the following conditions:
Figure 8-14 VIN = 5.5 V,
VOUT = 5 V, VBIAS = 8 V, CP_EN = 0,
IOUT = 200 mA
Figure 8-16 VIN = 5.5 V,
VOUT = 5 V, VBIAS = 8 V, CP_EN = 0,
IOUT = 5 A
Figure 8-18 VIN = 0.75 V,
VBIAS = 3 V, VOUT = 0.5 V , CP_EN = 0,
IOUT = 20 mA
Figure 8-20 VIN = 0.75 V,
VBIAS = 3 V, VOUT = 0.5 V, CP_EN = 0,
IOUT = 500 mA
Figure 8-15 VIN = 5.5 V,
VOUT = 5 V, VBIAS = 8 V, CP_EN = 0,
IOUT = 500 mA
Figure 8-17 VIN = 0.9 V,
VBIAS = 3 V, VOUT = 0.5 V , CP_EN = 0,
IOUT = 4.6 A
Figure 8-19 VIN = 0.75 V,
VBIAS = 3 V, VOUT = 0.5 V, CP_EN = 0,
IOUT = 100 mA
Figure 8-21 VIN = 0.75 V,
VBIAS = 3 V, VOUT = 0.5 V, CP_EN = 0,
IOUT = 1 ATable 8-6 provides a summary of the tested conditions described in this section.
| VIN | VOUT | VBIAS | IOUT | CP_EN | ROUT | LOUT |
|---|---|---|---|---|---|---|
| 0.75 V | 0.5 V | 3 V | 20 mA | Off | 200 μ? | 0.5 nH |
| 0.75 V | 0.5 V | 3 V | 200 mA | Off | 200 μ? | 0.5 nH |
| 0.75 V | 0.5 V | 3 V | 500 mA | Off | 200 μ? | 0.5 nH |
| 0.75 V | 0.5 V | 3 V | 1 A | Off | 200 μ? | 0.5 nH |
| 0.9 V | 0.5 V | 3 V | 4.6 A | Off | 200 μ? | 0.5 nH |
| 5.5 V | 5 V | 8 V | 200 mA | Off | 400 μ? | 0.5 nH |
| 5.5 V | 5 V | 8 V | 500 mA | Off | 300 μ? | 0.5 nH |
| 5.5 V | 5 V | 8 V | 5 A | Off | 200 μ? | 0.5 nH |