ZHCSK24D July 2019 – July 2021 TPS25832-Q1 , TPS25833-Q1
PRODUCTION DATA
To begin the design process, a few parameters must be known:
For this example, use the parameters listed in Table 11-1 as the input parameters.
| PARAMETER | VALUE |
|---|---|
| Input Voltage, VIN | 13.5 V-typical, range from 6 V to 18 V |
| Output Voltage, VOUT | 5.1 V |
| Maximum Output Current IOUT(MAX) | 3.0 A |
| Transient Response 0.3 A to 3 A | 5% |
| Output Voltage Ripple | 50 mV |
| Input Voltage Ripple | 400 mV |
| Switching Frequency fSW | 400 kHz |
| Cable Resistance for Cable Compensation | 300 mΩ |
| Current Limit by Buck Average | 3.3 A |
| fSW | VOUT WITHOUT CABLE COMPENSATION | CIN + CHF | L | CURRENT LIMIT | CCSP | CCSN/OUT | CBUS |
|---|---|---|---|---|---|---|---|
| 400 kHz | 5.10 V | 1 × 10 μF + 1 × 100 nF | 10 μH | Buck Avg | 5 × 22 μF | 100 nF | 1 to 4.7 μF |
| 400 kHz | 5.10 V | 1 × 10 μF + 1 × 100 nF | 10 μH | Ext. NFET | 5 × 22 μF | 100 nF | 1 to 4.7 μF |
| 2100 kHz | 5.10 V | 1 × 10 μF + 1 × 100 nF | 2.2 μH | Buck Avg | 2 × 22 μF | 100 nF | 1 to 4.7 μF |